Page 1 No. CP-SP-1149E Single Loop Controller Model C25/26 User’s Manual Installation & Configuration Thank you for purchasing an Azbil Corporation product. This manual contains information for ensuring the correct use of this product. It also provides necessary information for installation, maintenance, and troubleshooting.
Page 2 A separate color version of the quick guide printed on dirt-resistant paper is available for convenient use on the work site (document No. CP-SP-1217E). Contact the azbil Group or a distributor for details.
Page 3 Safety Requirements To reduce the risk of an electric shock that could cause personal injury, follow all safety notices in this document. This symbol warns the user of a potential shock hazard where hazardous live voltages may be accessible. If this device is used in a manner not specified by the manufacturer, its built-in safety protections will be impaired.
Page 4 Conventions Used in This Manual „ The safety precautions explained in the following section aim to prevent injury to the operator and others, and to prevent property damage. Warnings are indicated when mishandling this product WARNING might result in death or serious injury. Cautions are indicated when mishandling this product CAUTION might result in minor injury to the user, or only physical...
Page 5 Numeric value and character display on LED Numeric values The 7-segment LED expresses numeric values as follows: Alphabetical characters The 7-segment LED expresses alphabetical characters shown below. There are some alphabetical characters, which are not displayed on the LED. – Handling Precautions As shown above, numeric value “2”...
Page 6 Safety Precautions WARNING Do not use this device in an environment with conductive pollution, or with dry non- conductive pollution which can become conductive due to condensation, etc. Otherwise, problems such as tracking phenomena may damage parts, resulting in fire. When wiring the power for this device, be sure to mount a shutoff switch for the main power to this unit within reach of the operator.
Page 7 CAUTION There is no isolation between control outputs 1 and 2. When necessary, use an appropriate isolator. Do not connect multiple loader cables to multiple units from one personal computer. The current coming from other circuits might cause the PV value indication error to occur. Do not connect any terminating resistor in the communication path when performing the RS-485 wiring.
Page 8 The Role of This Manual Four manuals are available for model C25/26 Single Loop Controller (hereafter referred to as “this unit”). Read appropriate manuals according to your requirements. If you do not have a required manual, contact the azbil Group or an Azbil Corporation dealer.
Page 9 This chapter lists up the display items of this unit and their contents. Chapter 7. CPL COMMUNICATION FUNCTION This chapter describes how to connect this unit to a host unit, such as a personal computer or PLC through Azbil Corporation’s standard CPL communication using RS-485. Chapter 8. Modbus COMMUNICATION FUNCTION This chapter describes how to connect this unit to a host unit, such as a personal computer or PLC through Modbus communication.
Page 10 Contents Safety Requirements Conventions Used in This Manual Safety Precautions The Role of This Manual Organization of This User’s Manual Quick Reference Guide for Model C25/26 Flowchart of key operations and displays Operation examples List of parameters Chapter 1. OVERVIEW...
Page 11 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 1 PV Input „ PV input range type Temperature unit „ Cold junction compensation (T/C) „ PV square root extraction dropout „ Decimal point position „ PV input range low limit/high limit „...
Page 12 DI assignment of SP ramp enabled/disabled 5-33 „ 5 - 6 Digital Input (DI) and Internal Contact 5-34 „ Operation type 5-35 Internal event No. assignment 5-36 „ Input bit function 5-37 „ Input assignment 5-38 „ Polarity of input assignment 5-39 „...
Page 13 Key lock, communication lock, and loader lock 5-90 „ Password 5-91 „ Chapter 6. LIST OF DISPLAYS AND SETTING DATA 6 - 1 List of Operation Displays „ Operation displays 6 - 2 List of Parameter Setting Displays Mode bank „...
Page 14 Chapter 8. Modbus COMMUNICATION FUNCTION 8 - 1 Outline of Communication „ Features Setup „ Communication procedures „ 8 - 2 Message Structure Message structure „ Command type „ „ Amount of data Other specifications „ 8 - 3 Description of Commands Read command (03H) „...
Page 15 Appendix App.-1 Glossary App.-1 Index xiii...
Page 17 This guide is made for repeated use. Dirt wipes off easily and even notes written with an oil-based felt-tip pen can be removed with an eraser. If more detailed information on model C25/26 is needed, refer to the user's manuals: CP-SP-1149E for installation and configuration.
Page 18 Flowchart of key operations and displays When the power is turned ON PV value LSP group PV value Heat manipulated [display] key number variable Upper and lower displays remain off for SP value SP value MV value MV value 5s after power ON. Each mode indicator lights sequentially, and then the Timer remaining...
Page 19 Some items are not displayed depending on the availability of optional functions, model number, display setup ( ) and User level ( Pressing [display] key while bank item or user function item is displayed has the effect of canceling Operation displays and returning to the operation display item.
Page 20 Operation examples letters : Items before operation Blue letters : Items during operation Execution of auto tuning (AT) Setup of PV input range type AT forces ON/OFF of the MV a number of times (a limit cycle) to cal- Press [display] once Press and hold [para] culate PID values.
Page 21 For step numbers indicated in red like , the following precaution applies: • If the key lock is set, the numerical value does not flash, and the value cannot be changed. To change a numerical value, cancel the key lock first. AUTO/MANUAL mode selection Setup of...
Page 22 List of parameters : Essential parameters for PV measurement and control : Basic parameters : Required parameters when using optional functions [Extended tuning bank] List of operation displays Display Item Contents Initial value Setting value AT type 0: Normal 1: Immediate response 2: Stable * Display Item Contents...
Page 23 • Items marked z in the tables are displayed in standard and/or high function configuration. • To change a user level, refer to Changing the user level in the lower right part of this page. [User function bank] Display Item Contents Initial value Setting value z LED monitor...
Page 24 PV input range table Event type [Thermocouple] [RTD] Operation Direct action Reverse action Sensor Range Range Sensor Range Range C0 1 C0 1 type value z z : shows that the ON/OFF is changed at this value. z z : shows that the ON/OFF is changed at this value. set value type (°C)
Page 25 Chapter 1. OVERVIEW 1 - 1 Overview This unit is a compact controller having a mask of 48 × 96 mm or 96 × 96 mm and provides the following features: • The depth is only 65 mm, providing excellent space-saving. •...
Page 26 *1 Can not be selected for the DC Model. UL-marked product *2 Current transformer sold separately. *3 Additionally, tropicalization and anti-sulfidation treatments can be ordered. However, there are some specifications restrictions. For details, contact the azbil Group. „ Accessories and optional parts Name Model No.
Page 27 Covers the slit, which is used to pull out the console from the main unit. Handling Precautions The user must not touch the cap. This cap is used only by Azbil Corporation’s engineers when repairing this controller. If the cap is pulled forcibly, this may be broken.
Page 28 Chapter 1. OVERVIEW Detailed description of console [mode] key When this key is kept pressed for 1 s or longer in the operation display mode, any of the following operations, which have been set previously, can be performed: • AUTO/MANUAL mode selection •...
Page 29 Chapter 1. OVERVIEW Mode indicators [man]: AUTO/MANUAL mode indicator. Lights in MANUAL mode. [ev1], [ev2], [ev3]: Event output 1 to 3 indicator. Lights when event relays are Control output 1 and 2 indicator. Lights when the control [ot1], [ot2]: output is ON. The indicators are always lit when the current output or continuous voltage output is used.
Page 30 Chapter 1. OVERVIEW Rear panel „ Terminal part Terminal part Terminal part: The power supply, input, and output are connected to the terminals. The M3 screw is used. When connecting to the terminal, always use a correct crimp type terminal lug suitable for the M3 screw. The tightening torque of the terminal screw is 0.4 to 0.6 N·m.
Page 31 Chapter 2. OUTLINE OF FUNCTIONS 2 - 1 Input/Output Configuration Other Control output 1, 2 (Current output) Analog output PV input process process Auxiliary output Control (Current output) process (ON/OFF control, PID control) Digital input Digital input 1 to 4 process Control output 1, 2 (Relay output,...
Page 32 Chapter 2. OUTLINE OF FUNCTIONS 2 - 2 Key Operation Various displays or settings can be called up on the console through key operation. The following describes the general flow of key operation: The display and setting data are arranged as shown in the following tree-structure: Operation display Bank selection PV and SP...
Page 33 Chapter 2. OUTLINE OF FUNCTIONS Display when the power is turned ON. The mode indicators are lit sequentially form SDC26 the left during a period of 5 to 6 sec after the power has been turned ON while both the upper display and lower display are OFF.
Page 34 Chapter 2. OUTLINE OF FUNCTIONS Data setting procedures „ Two types of data setting procedures are provided, standard type and special type. A desired type can be selected using the setup bank [C71: Key operation mode/ type]. Standard type: The [enter] key is used to start changing the setup value and to set the value currently being changed.
Page 35 Chapter 2. OUTLINE OF FUNCTIONS (This Figure shows the display when (This Figure shows the display when the 1st digit of " 0001 " is ashing.) the entire character string " rUn " is ashing.) (3) Press the [enter] key. >>...
Page 36 Chapter 2. OUTLINE OF FUNCTIONS (This Figure shows the display when (This Figure shows the display when the 1st digit of " 0001 " is ashing.) the entire character string "rUn" is ashing.) (3) Release the key and wait for a while. >>...
Page 37 Chapter 2. OUTLINE OF FUNCTIONS [mode] key operating procedures „ When the [mode] key is kept pressed for 1 s or longer on the operation display, the selection operation, which has been set using the [mode] key function (C72) of the setup setting, can be performed.
Page 38 Chapter 2. OUTLINE OF FUNCTIONS 2 - 3 Operation Modes The following shows the transition of operation modes: RUN + AUTO mode READY + AUTO mode RUN/READY AT stop AT running AT stop AUTO/MANUAL AUTO/MANUAL RUN + MANUAL mode READY + MANUAL mode RUN/READY AT stop AT stop...
Page 39 Chapter 3. INSTALLATION CAUTION Use this device within the operating ranges recommended in the specifications (temperature, humidity, voltage, vibration, shock, mounting direction, atmosphere, etc.). Failure to do so might cause fire or faulty operation. Do not block ventilation holes. Doing so might cause fire or faulty operation. „...
Page 40 Chapter 3. INSTALLATION Panel cutout dimensions „ Make the mounting holes according to the panel hole marking dimensions. Unit: mm Stand-alone mounting Gang-mounting +0.5 30 min. (48xN-4) +0.5 Unit: mm Stand-alone mounting Gang-mounting +0.5 (96xN-4) +0.5 30 min. Handling Precautions •...
Page 41 Chapter 3. INSTALLATION Mounting procedures „ • The mounting must be horizontal within 10 degrees tilted on the back side lowering or within 10 degrees tilted on the back side rising. • The mounting panel should be used with a thickness of less than 9 mm of firm board.
Page 42 Chapter 3. INSTALLATION Using a hard cover For panel mounting type, it is possible to attach the hard cover to the front console. Use of hard cover makes it possible to prevent the settings from being changed due to accidental operation or to operate the unit in poor installation environment. The display can be seen with the cover kept closed.
Page 43 Chapter 3. INSTALLATION How to use the hard cover When operating the unit with the hard cover, flip the lower end of the cover upward. At this time, the cover is so designed that it can be kept open without holding the cover by hand.
Page 44 Chapter 3. INSTALLATION How to use the soft cover For panel mounting type, it is possible to attach the soft cover to the front console. The key can be operated with the soft cover kept attached. Additionally, when the soft cover is attached to the front console, it provides IP65 protection against water and dust.
Page 45 Chapter 4. WIRING 4 - 1 Wiring WARNING Do not use this device in an environment with conductive pollution, or with dry non- conductive pollution which can become conductive due to condensation, etc. Otherwise, problems such as tracking phenomena may damage parts, resulting in fire. When wiring the power for this device, be sure to mount a shutoff switch for the main power to this unit within reach of the operator.
Page 46 • The input of the current transformer cannot be used for the phase angle control. • An optional terminal cover is available to prevent electric shock. (Model No.: 81446912-001 for C25 or 81446913-001 for C26) Terminal cover • The part between the control output 1 and control output 2 is not isolated. When...
Page 47 30 min. IMPORTANT Terminating resistor • Do not connect any terminating resistor in the RS-485 communication path. Doing so might cause the communication failure. Wiring of C25/26 Power supply AC power supply 100 to 240 V AC DC power supply...
Page 48 Chapter 4. WIRING Recommended crimp type terminal lugs For wiring of C25/26, use an appropriate crimp type terminal lug suitable for the M3 screw. Applicable Terminal dimensions (mm) Recommended crimp terminal Applicable electrical JST Mfg. Co. screw size JIS indication wire size Model No.
Page 49 Chapter 4. WIRING Connection of open collector output to digital input „ The following shows a connection example when connecting to four digital input points. This unit „ Connection of communication (RS-485) cable 3-wire system This unit (slave station) Master station Shield –...
Page 50 Chapter 4. WIRING 5-wire system This unit (slave station) Master station Shield – – This unit (slave station) Shield IMPORTANT Terminating resistor • Do not connect any terminating resistor in the communication path. Doing so might cause the communication failure. •...
Page 51 Check that the voltage between the terminals of the voltage pulse output is within the specified range. 1. Azbil Corporation's PGM10N/PGM10F series This example shows the calculation for the connection of the SDC25 and the PGM10N015. (Note: For connection with other model number, check the specifications of each model.)
Page 52 Resistor type (Azbil Corporation's PGM_ _2A1, etc.) When necessary, an appropriate external resistor is connected in series so that the voltage between the input terminals of the SSR you are using is within the specified range. (Example) Connection of two Azbil Corporation PGM units...
Page 53 Chapter 4. WIRING Connection diagram External resistor R1 This unit PGM_ _2A1 PGM_ _2A1 19 V ± 15% R0: 82 Ω ± 0.5% R1: 680 Ω R2: 260 Ω Vf: 1.1 V Voltage between terminals of PGM = (V - 2 × Vf) / (R0 + R1+ R2 + R2) × R2 + Vf 4.5 V Input voltage range of PGM: Since the input voltage range is 3 to 6 V, the operation is possible.
Page 54 • Use zener barriers recommended by Azbil Corporation. With zener barriers that do not meet the specifications below, accuracy may be dramatically degraded. If unrecommended zener barriers are used, contact the azbil Group.
Page 55 Chapter 4. WIRING 4 - 2 Recommended Cables Contact the thermocouple wires to the terminals in case of a thermocouple input. When a thermocouple is connected to terminals, or wiring distance is long, connect the wire via a shielded compensating lead wire. •...
Page 57 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 1 PV Input The following shows the functional block diagram of the PV input: PV input is thermocouple. PV input is RTD. PV input is DC voltage/DC current. PV input range type PV input range type PV input range type (Setting: Setup C0 1)
Page 58 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION PV input range table (Thermocouple) PV input range table (RTD) Sensor Range Range C04 initial value Sensor Range Range C04 initial value C0 1 C0 1 set value type (Celsius) (Fahrenheit) display range when C01 settings set value type...
Page 59 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION • For details about the accuracy of each PV input range type: Chapter 13. SPECIFICATIONS (p. 13-1) Temperature unit „ When the PV input range type is thermocouple or RTD, the temperature unit can be selected.
Page 60 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION PV square root extraction dropout „ When the PV input range type is DC voltage or DC current, a dropout value can be set so that the result of the PV square root extraction used to convert the pressure (differential pressure) into the flow becomes "0".
Page 61 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Decimal point position „ When the PV input range type is DC voltage or DC current or when the PV input range type is a part of the PV input range type of thermocouple or RTD, the decimal point position of the PV input can be set.
Page 62 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION PV input range low limit/high limit „ When the PV input range type is DC voltage or DC current, the scaling of the PV input can be set. Item (Bank) Display Contents Initial value User level PV range low limit When the PV input range type is DC...
Page 63 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION PV low limit alarm threshold „ Item (Bank) Display Contents Initial value User level PV input failure (under 0: -10 %FS Simple, range) type 1: -5 mV (This setting is applicable if C01 Standard, (PV input range type) is set for sensor type High function...
Page 64 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION PV low limit/high limit and PV low limit alarms/high limit alarms „ PV low limit and PV high limit are provided for each PV input range type. In principle, -10 %FS of each range becomes the PV low limit while +110 %FS becomes the PV high limit.
Page 65 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Zener barrier adjustment „ When the PV input is RTD and uses the Zener barrier, the Zener barrier needs to be adjusted. Additionally, if three wiring resistances to the PV input terminal have any variation even though the Zener barrier is not used, the Zener barrier must also be adjusted.
Page 66 • wiring No. 3, poor accuracy may result. Use zener barriers recommended by Azbil Corporation. • If the unit is used with unrecommended zener barriers, accuracy may be drastically impaired. Before using such zener barriers, contact the azbil Group. 5-10...
Page 67 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 2 Mode It is possible to set the AUTO/MANUAL mode selection, RUN/READY mode selection, Auto Tuning (AT) stop/ start selection, release all digital output (DO) latches, and OFF/ON selection of communication digital input 1 (communication DI 1).
Page 68 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Auto tuning (AT) stop/start „ The AT stop/start selection can be set. Item (Bank) Display Contents Initial value User level AT Stop/Start selection At.OF: AT stop [Communication value is "0".] Simple, At.OF (Mode bank) At.On: AT start [Communication value is "1".] Standard, High function...
Page 69 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 3 Control The following shows the functional block diagram of the control (ON/OFF control, PID control, RationaLOOP control, and Heat/Cool control, etc.): ON/OFF control Control method: ON/OFF control (Setting: Parameter CtrL must be set at "0".) Branching according to RUN/READY mode selection...
Page 70 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Fixed PID Control method: Fixed PID (Setting: Parameter CtrL must be set at "1".) SP lag overshoot suppression (Setting: Extended tuning SP.LG) RationaLOOP high precision control logic (Setting: Extended tuning Ctr.A) Just-FiTTER overshoot suppression (Setting: Extended tuning JF.Ov, JF.bd) Branching according to...
Page 71 "1" in other cases. • "Fixed" of [1: Fixed PID] means that the PID constant is not changed automatically since the self-tuning (ST) provided for the C25/26 is not run. However, the AT can be run even in the fixed PID control.
Page 72 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Control action and Heat/Cool control „ The control action (direct/reverse) and Heat/Cool control (enabled/disabled) can be selected. Item (Bank) Display Contents Initial value User level Control action (direct/ 0: Heat control (Reverse) Simple, reverse) 1: Cool control (Direct) Standard,...
Page 73 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION MANUAL mode change „ The control output when the AUTO mode is changed to the MANUAL mode can be set. Item (Bank) Display Contents Initial value User level Output operation at 0: Bumpless transfer Standard, changing Auto/Manual High function...
Page 74 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Initial output of PID control „ Item (Bank) Display Contents Initial value User level Initial output of PID control –10.0 to +110.0 % 0.0 % or 50.0 % High function (Setup bank) • When the control method is other than the ON/OFF control (CtrL≠0), the display and setting can be performed.
Page 75 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION PID control „ In the fixed PID control, the PID control related items can be set. Item (Bank) Display Contents Initial value User level Proportional band (PID1) 0.1 to 999.9 % 5.0 % Simple, (PID bank) Standard,...
Page 76 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Item (Bank) Display Contents Initial value User level MV low limit (PID 3) Same as PID 1 0.0 % Standard, High function MV high limit (PID 3) 100.0 % Cool-side proportional Same as PID 1 5.0 % Simple, band (PID 3)
Page 77 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION • Priorities for PID group change Priorities for PID group change are shown below. Priority High Low DI function SP group assignment of PID group > When PID group change is selected. Handling Precautions •...
Page 78 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Note z Heat/cool output  Formulas and limits for the heat/cool MV “Dead zone” in the explanation below refers to a heat/cool control dead zone. The cool MV and the heat MV are determined by the following formulas and the MV high and low limits.
Page 79 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION  Examples of output Deadband 100.0 % 100.0 % 100.0 % 100.0 % Cool MV Heat MV Cool MV Heat MV 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 50.0 % 100.0 % MV 0.0 % 50.0 %...
Page 80 AT, the operation is performed with the low limit swapped for the high limit automatically. Note • When compared to the AT functions of Azbil Corporation's older models, set value 1 (immediate response) is close to model C10 and set value 0 (normal) is close to model C20/21 and C30/31.
Page 81 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Just-FiTTER „ This Just-FiTTER function provides the effect of the overshoot suppression and the following items can be set: Item (Bank) Display Contents Initial value User level Just-FiTTER assistance 0 to 100 Standard, coefficient (“0”: JF function disabled) High function...
Page 82 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 4 Auto Tuning (AT) Function The auto tuning (AT) function is used when the PID constants are set automatically with the control method set at “Fixed PID” ([CtrL = 1]). The AT function can be used when the control method is set to “Fixed PID”. Starting procedures „...
Page 83 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Insu cient Stable stability cycle Time AT start Normal end In the Heat/Cool control, the AT function is run in the status that both the heat MV and cool MV are operated. In the first half, the MV is changed to the MV low limit/MV high limit. In the latter half, the MV is changed in a slightly narrow range.
Page 84 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION • When the Heat/Cool control is not used, the MV becomes a value limited by both ranges, one range is between the MV low limit at AT (AT.OL) and MV high limit at AT (AT.OH), and the other is between the MV low limit (OL-_) and MV high limit (OH-_) of the PID constant.
Page 85 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 5 Set Point (SP) The following shows the functional block diagram of the SP: LSP system group (Setting: Setup C30) One LSP group exists. Two or more LSP groups exist. DI Assignment of LSP group selection LSP1 provided/not provided.
Page 86 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION LSP system group „ The LSP system group can be selected. Item (Bank) Display Contents Initial value User level LSP system group 1 to 4 Simple, (Setup bank) Standard, High function „ LSP1 to 4 Four groups of LSP setup values can be set.
Page 87 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION DI assignment of LSP group selection „ The LSP group selection can be set for internal contacts 1 to 5 using the DI Assignment. Item (Bank) Display Contents Initial value User level Internal contact 1 to 5 0: No function Simple, Operation type...
Page 88 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION SP up ramp/down ramp „ The SP ramp-up and ramp-down can be set. Item (Bank) Display Contents Initial value User level SP up ramp 0.0 U: No ramp 0.0 U High function (Parameter bank) 0.1 to 999.9 U (The unit of the ramp time is selected using SP down ramp...
Page 89 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION SP low limit/high limit „ The SP low limit and high limit can be set to limit the SP range. Item (Bank) Display Contents Initial value User level SP low limit PV range low limit to PV range high limit PV range low limit Standard, (Setup bank)
Page 90 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 6 Digital Input (DI) and Internal Contact The following shows the functional block diagram of the digital input (DI) and internal contact: Input bit function is not used. Input bit function is used. Input assignment Input bit function is not used.
Page 91 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation type „ The operation type by the internal contact function can be set. Item (Bank) Display Contents Initial value User level Internal Contact 1 Operation 0 to 20 Simple, type (DI Assignment bank) For details about function by each set Standard, value, refer to the Table shown on the next...
Page 92 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION The following table shows the contents of the dI settings: Set value Function Operation at OFF Operation at ON No function None None LSP group selection (0/+1) LSP No.: +0 LSP No.: +1 LSP group selection (0/+2) LSP No.: +0 LSP No.: +2...
Page 93 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Input bit function „ Four kinds of input bit functions are provided. The required functions can be configured by the user. Item (Bank) Display Contents Initial value User level Internal Contact 1 0: Not used (Default input) High function Input bit operation 1: Function 1 ((A and B) or (C and D))
Page 94 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Input assignment „ The assignment of four inputs (A, B, C, D) used for the input bit function can be set. Item (Bank) Display Contents Initial value User level Internal Contact 1 Input 0: Normally opened.
Page 95 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Item (Bank) Display Contents Initial value User level Internal Contact 5 Input 0: Normally opened. (OFF, 0) High function 1: Normally closed. (ON, 1) assignment A 2: DI1 (DI Assignment bank) 3: DI2 Internal Contact 5 Input 4: DI3 assignment B...
Page 96 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Polarity of input bit function „ The polarity of the input bit function (functions 1 to 4) can be set. Item (Bank) Display Contents Initial value User level Internal Contact 1 Polarity 0: Direct High function (DI Assignment bank) 1: Reverse...
Page 97 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 7 Internal Event The result of the internal event process can be output to the control output or event output through the digital output (DO) process. 2 - 1 Input/Output Configuration (p. 2-1). The following shows the functional block diagram of the internal event: Operation type (Setting: Event Con guration...
Page 98 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation „ According to the operation type, direct/reverse, main setting, sub setting, hysteresis, and other settings, the operation of the internal event becomes as follows: [List of internal event operations] Note • For details about unit (U), refer to the attached glossary. Direct action Reverse action Set value of...
Page 99 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Direct action Reverse action Set value of shows that the ON/OFF is changed at shows that the ON/OFF is changed at Operation type operation this value. this value.  shows that the ON/OFF is changed at a ...
Page 100 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Direct action Reverse action Set value of shows that the ON/OFF is changed at shows that the ON/OFF is changed at Operation type operation this value. this value.  shows that the ON/OFF is changed at a ...
Page 101 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation type Set value of Direct action Reverse action operation type Loop diagnosis 1 The event is turned ON when any change in PV corresponding to increase/decrease in Manipulated variable (MV) is not observed. This event is used to detect any fault at the operation end.
Page 102 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation type Set value of Direct action Reverse action operation type Loop diagnosis 2 The event is turned ON when any change in PV corresponding to increase/decrease in Manipulated variable (MV) is not observed. This event is used to detect any fault at the operation end.
Page 103 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation type Set value of Direct action Reverse action operation type Loop diagnosis 3 The event is turned ON when any change in PV corresponding to increase/decrease in Manipulated variable (MV) is not observed. This event is used to detect any fault at the operation end.
Page 104 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation type Set value of Direct action Reverse action operation type Alarm (status) ON if alarm occurs (alarm code AL0 1 to 99). OFF if alarm occurs (alarm code AL0 1 to 99). OFF in other cases.
Page 105 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation type „ The operation type of the internal event can be set. Item (Bank) Display Contents Initial value User level Internal Event 1 0: No event Simple, Configuration 1 1: PV high limit Standard, (Event Configuration bank) 2: PV low limit...
Page 106 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Direct/reverse, standby, and EVENT state at READY „ Direct/reverse, standby, and EVENT state at READY accompanying with the operation type can be set. Item (Bank) Display Contents Initial value User level Internal Event 1 The digits are called 1st digit, 2nd digit, 3rd 0000 Simple,...
Page 107 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Alarm OR, special OFF setup, and delay time unit „ Alarm OR, special OFF setup, and delay time unit accompanying with the operation type can be set. Item (Bank) Display Contents Initial value User level Internal Event 1 The digits are called 1st digit, 2nd digit, 3rd...
Page 108 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Main setting, sub-setting, and hysteresis „ Main setting, sub setting, and hysteresis accompanying with the operation type can be set. Item (Bank) Display Contents Initial value User level Internal Event 1 Main -1999 to +9999 Simple, setting The decimal point position may vary so...
Page 109 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION ON delay and OFF delay „ ON delay is a function that delays the timing, at which the internal event status is changed from OFF to ON. OFF delay is a function that delays the timing, at which the internal event status is changed from ON to OFF.
Page 110 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 8 Digital Output (DO) The following shows the functional block diagram of the digital output (DO): MV1 process: ON/OFF control output, time proportional output, and time proportional output (heat) of Heat/Cool control. MV2 process: Time proportional output (cool) of Heat/Cool control (Setting: Parameters...
Page 111 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION MV1/MV2 process „ The time proportional cycle and time proportional cycle mode of MV1/MV2 can be set. Item (Bank) Display Contents Initial value User level Time proportional cycle 0: 1 s unit High function 1: Cycle fixed at 0.5 s.
Page 112 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION • The initial value of the time proportional cycle 1 (Cy) is “10” when the control output 1 is the relay output and it is “2” in other cases. • The initial value of the time proportional cycle 2 (Cy2) is “10” when a model with one control output point is used and it is“2”...
Page 113 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Operation type „ The outputs of the control outputs 1 to 2 and event outputs 1 to 3 can be set using the operation type of the DO Assignment. Item (Bank) Display Contents Initial value User level Control output 1...
Page 114 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Output assignment „ The assignments of four inputs (A, B, C, D) used for the output bit function can be set. Item (Bank) Display Contents Initial value User level Control output 1 Output 0: Normally opened.
Page 115 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Item (Bank) Display Contents Initial value User level Event output 2 Output Same as those on the previous page. Same as assignment D that on the (DO Assignment bank) previous page. Event output 3 Output assignment A (DO Assignment bank) Event output 3 Output...
Page 116 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Polarity of output assignment „ The polarity of four output assignments (A, B, C, D) used for the output bit function can be set. Item (Bank) Display Contents Initial value User level Control output 1 Polarity The digits are called 1st digit, 2nd digit, 3rd 0000 High function...
Page 117 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Polarity of output bit function „ The polarity after the output bit function (functions 1 to 4) can be set. Item (Bank) Display Contents Initial value User level Control output 1 Polarity 0: Direct High function (DO Assignment bank) 1: Reverse...
Page 118 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION DO assignment setting with the SLP-C35 Smart Loader Package „ When setting [DO Assignment] with the SLP-C35 Smart Loader Package, select [Edit (E)] → [Input/Output port setup (O)] in that order from the menu. The output bit function, output assignment, polarity of output assignment, and polarity of output bit function can be easily set using visual images as shown below.
Page 119 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 9 Application Examples This section describes examples of applications using the assignment functions of this unit. „ Examples of applications using assignment functions The following shows setting examples with the SLP-C35 Smart Loader Package. To use assignment functions, it is absolutely necessary to set the user level to “High function configuration”.
Page 120 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION (4) In the Input/Output port setup window, set the following items: (a) In this example, since the logical OR of two functions needs to be output, select [Function 1]. (b) Select [PV high limit] of Internal Event 1 for output assignment A. (c) Similarly, select [Heater break] of Internal Event 2 for output assignment C.
Page 121 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Example 2 The operation is started by the external switch, and then it is stopped automatically 30 min after the temperature has reached the set value. Temperature Set value 30 min Time Control ON Control OFF ...
Page 122 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION • DI Assignment DI Assignment Display Internal Contact 1 Internal Contact 2 Operation type 17: Timer stop/start 7: RUN/READY DI_. 1 Input bit operation 1: Function 1 (A and B) or 1: Function 1 (A and B) or DI_.2 (C and D) (C and D)
Page 123 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION DI Assignment (Internal Contact 2): Input/Output port setup Logical AND of DI1 (A-contact) Reversed at this point since the Mode (RUN/READY) and timer (B-contact) mode is the READY mode when selection contact turned ON. Example 3 Simple pattern [mode] key ...
Page 124 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION  Setting example • Event Event Display Internal Event 1 Internal Event 2 Operation type 9: Deviation high/low 32: Timer (Status) E_.C 1 limit (Final SP reference) Direct/reverse 1: Reversed. ---- E_.C2 Standby 0: No standby ---- E_.C2...
Page 125 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION  Others C72 [mode key function]: 7 (COM DI1 selection) SP ramp-up/ramp-down: Desired value  Setting points The internal EV1 is substituted for the guarantee soak. Therefore, “9999” is set to the hysteresis of Event 1 so that Event 1 is not turned OFF after it has been turned ON even though the PV fluctuates.
Page 126 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 10 Continuous Output The following shows the functional block diagram of the continuous output: Output range type (Setting: Setup C42, C47, C52) Output type (Setting: Setup C43, C48, C53) Output scaling high limit/low limit (Setting: C44, C45, C49, C50, C54, C55) Continuous output (current output)
Page 127 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Output scaling low limit/high limit „ The output scaling low limit and high limit of the current output and continuous voltage output can be set. Item (Bank) Display Contents Initial value User level Control output 1 scaling -1999 to +9999 Simple,...
Page 128 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION MV scalable bandwidth „ When the control output type is set to either SP+MV or PV+MV, the control output is a continuous output in which the amount of change in the MV is added to the SP or PV.
Page 129 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 11 Current Transformer (CT) Input For CT input, two kinds of current values are provided. • Current value at output ON: This current value is used for the heater burnout/over-current event. This current value is displayed as CT current value.
Page 130 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION CT type „ A desired operation type can be set for each of CT input 1 or CT input 2. Item (Bank) Display Contents Initial value User level CT1 operation type 0: Heater burnout detection Simple, (Setup bank) 1: Current value measurement...
Page 131 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Number of CT turns and number of CT power wire loops „ Each CT of CT inputs 1 and 2 can be set. Item (Bank) Display Contents Initial value User level Number of CT1 turns 0: 800 turns High function (Setup bank)
Page 132 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Handling Precautions • Do not allow the current to exceed the upper limit of the CT input display range. Doing so might cause a malfunction. • If a current exceeding the upper limit of the CT input display range is detected, the CT input failure alarm (AL 1 1 ) is displayed.
Page 133 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5 - 12 Console Display and Key Operation It is possible to make the setting so that the console display and key operation are customized. „ Key operation type Two kinds of general key operation flows are provided, standard key operation type and special key operation type.
Page 134 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION MODE display setup „ The mode related setup items of the parameter setting and mode bank to be displayed can be set. Item (Bank) Display Contents Initial value User level MODE display setup Whether or not the mode bank setup is Standard, (Setup bank)
Page 135 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION PV/SP display setup „ The PV/SP value related items to be displayed in the operation display mode can be set. Item (Bank) Display Contents Initial value User level PV/SP display setup Whether or not the PV/SP value related Standard, (Setup bank) items are displayed in the operation display...
Page 136 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION MV display setup „ The MV related items to be displayed in the operation display mode can be set. Item (Bank) Display Contents Initial value User level MV display setup Whether or not the MV value related items Standard, (Setup bank) are displayed in the operation display...
Page 137 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Event setting value display setup „ The main setting and sub-setting of Internal Events 1 to 3 to be displayed in the operation display mode can be set. Item (Bank) Display Contents Initial value User level Event setting value display 0: Internal Event set value is not displayed...
Page 138 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION CT input current value display setup „ The CT current value to be displayed in the operation display mode can be set. Item (Bank) Display Contents Initial value User level CT input current value 0: CT current value is not displayed in the Standard, display setup...
Page 139 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION MS indicating lamp „ The lighting conditions for the Multi-Status (MS) display located at the center of the console and three groups of the lighting statuses can be set with the priority put. Item (Bank) Display Contents...
Page 140 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION • The lighting conditions are satisfied when the status set as conditions is ON (example: Internal event 1) or the status set as conditions is met (example: MANUAL). Therefore, if the lighting conditions are set at “0”, the conditions are always not satisfied.
Page 141 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION • When the lighting status is set at “9” (MV graph), “10” (Heat-side MV graph), “11” (Cool-side MV graph), or “12” (MFB graph), the Multi Status (MS) display is lit as shown in the following Figure: O at 0.0 % or less 0.1 to 10.0 % 10.1 to 20.0 %...
Page 142 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION User function „ Up to eight settings selected from various settings can be added to the operation display. Item (Bank) Display Contents Initial value User level User Function 1 Each setting is set on the upper display. ---- Standard, High (User Function bank)
Page 143 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION User function setting procedures This section describes an example of setting with the SLP-C35 Smart Loader Package. When registering the user function, up to eight parameters can be registered to the [para] key. When frequently used functions are registered, this ensures convenient operation.
Page 144 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION (1) Select [Option] → [User Function]. (2) Select [1: Event] in [Group select]. (3) Select [801: Event value (main)] in [Item select]. 5-88...
Page 145 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 2. To register currently setting item into the user function: If there are any parameters you wish to register into the user function during setting, follow the steps below to register such parameters. (1) Keep the cursor placed in an item you wish to register and set, and then left- click the [UF] icon.
Page 146 Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION Key lock, communication lock, and loader lock „ The setting (changing) or display can be set disabled using the key lock. Item (Bank) Display Contents Initial value User level Key lock 0: All settings are possible. Simple, (Lock bank) 1: Mode, event, operation display, SP, UF,...
Page 147 • The settings, which cannot be changed by the key lock, cannot be displayed in the password lock mode. • If the password lock cannot be unlocked, contact Azbil Corporation or its dealer. At Azbil Corporation's factory, the password lock can be unlocked by returning the setting to the initial setting.
Page 149 Chapter 6. LIST OF DISPLAYS AND SETTING DATA 6 - 1 List of Operation Displays The following shows the meanings of the values stated in the “User Level” column: 0: Simple, Standard, and High function configuration 1: Standard and High function configuration 2: High function configuration Operation displays „...
Page 150 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Timer remaining time 1 Setting is disabled. — Displayed or not is selected Upper display: Displays the distinction by the event remaining time between ON delay and OFF delay next display setup (C77).
Page 151 Chapter 6. LIST OF DISPLAYS AND SETTING DATA 6 - 2 List of Parameter Setting Displays The following shows the meanings of the values stated in the “User Level” column: 0: Simple, Standard, and High function configuration 1: Standard and High function configuration 2: High function configuration The initial value may vary depending on the model No.
Page 152 Chapter 6. LIST OF DISPLAYS AND SETTING DATA SP bank „ Bank selection: Initial User Display Item Contents Notes value level SP (for LSP1) SP low limit (C07) to SP high limit (C08) PID group No. (for 1 to 4 Displayed when the control is other than ON/OFF control LSP1)
Page 153 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Event bank „ Bank selection: Initial User Display Item Contents Notes value level Internal Event 1 -1999 to +9999 Necessary settings are displayed according to Internal Event 1 main setting The decimal point position may vary so Configuration (E1.C1).
Page 154 Chapter 6. LIST OF DISPLAYS AND SETTING DATA PID bank „ Bank selection: Initial User Display Item Contents Notes value level Proportional band 0.1 to 999.9 % Displayed when the control (PID 1) method is other than the ON/ OFF control (CtrL≠0). Integration time 0 to 9999 s (PID 1)
Page 155 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Proportional band Same as PID 1 Same as PID 1 (PID 3) Integration time (PID 3) Derivative time (PID 3) Manual reset (PID 3) 50.0 MV low limit (PID 3) MV high limit (PID 3)
Page 156 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Parameter bank „ Bank selection: Initial User Display Item Contents Notes value level Control method 0: ON/OFF control The initial value is “0” when 1: Fixed PID the control output uses only one point and is the relay output.
Page 157 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Extended tuning bank „ Bank selection: Initial User Display Item Contents Notes value level AT type 0: Normal (Standard control Displayed when the control characteristics) method is other than the ON/ 1: Immediate response (Control OFF control (CtrL≠0).
Page 158 Chapter 6. LIST OF DISPLAYS AND SETTING DATA 6 - 3 List of Setup Setting Displays The following shows the meanings of the values stated in the “User Level” column: 0: Simple, Standard, and High function configuration 1: Standard and High function configuration 2: High function configuration Initial value may differ depending on model No.
Page 159 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Output at READY -10.0 to +110.0 % Displayed when the control method is other than the ON/OFF (Cool) control (CtrL≠0) and the heat/ cool control (C26 = 1) is used. Output operation 0: Bumpless transfer Displayed when the control...
Page 160 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Control output 1 1: 4 to 20 mA Displayed when control output range 2: 0 to 20 mA 1 of the model is the current output.
Page 161 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Communication type 0: CPL Displayed when the optional 1: Modbus (ASCII format) model has RS-485. 2: Modbus (RTU format) Station address 0 to 127 (Communication is disabled when set at "0".) Transmission speed...
Page 162 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level PV/SP display setup Whether or not the PV/SP value related items are displayed in the basic display mode is determined by the sum of the following weights: Bit 0: PV display Disabled: 0, Enabled: +1 Bit 1: SP display...
Page 163 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level User level 0: Simple configuration 1: Standard configuration 2: High function configuration LED monitor 0: Not used. 1: Flashing while data is being sent through RS-485 communication.
Page 164 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level MS indicating lamp Same as MS indicating lamp ON ON condition condition (1st priority) (3rd priority) MS indicating lamp Same as MS indicating lamp ON ON status status (1st priority) (3rd priority)
Page 165 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Event configuration bank „ Bank selection: Initial User Display Item Contents Notes value level Internal Event 1 0: No event Configuration 1 1: PV high limit 2: PV low limit 3: PV high/low limit 4: Deviation high limit 5: Deviation low limit 6: Deviation high/low limit...
Page 166 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Internal Event Digits are assigned from right to left 0000 Configuration 3 in the order 1, 2, 3, 4. 1st digit: Controller 0: None alarm OR 1: Alarm direct + OR operation 2: Alarm direct + AND operation...
Page 167 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Internal Event 4 Same as Internal Event 1 0000 Configuration 3 Configuration 3. 1st digit: Controller alarm OR 2nd digit: Special OFF setup 3rd digit: Delay unit 4th digit: Undefined.
Page 168 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Internal Contact 1 0: Normally opened. (OFF, 0) Displayed when internal Input assignment A 1: Normally closed. (ON, 1) contact 1 Input bit operation 2: DI1 is set 1 to 4 (DI 1.2≠0).
Page 169 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Internal Contact 2 Same as Internal Contact 1 Input Displayed when internal Input assignment A assignment A to D. contact 2 Input bit operation is set 1 to 4 (DI 2.2≠0).
Page 170 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Internal Contact 4 Same as Internal Contact 1 Input Displayed when internal Input assignment A assignment A to D. contact 4 input bit operation is set 1 to 4 (DI 4.2≠0).
Page 171 Chapter 6. LIST OF DISPLAYS AND SETTING DATA DO assignment bank „ Bank selection: Initial User Display Item Contents Notes value level Control output 1 0: Default output Displayed when control Operation type 1: MV 1 (ON/OFF control output, output 1 of the model is time proportional output, and relay output or voltage pulse time proportional output (heat) of...
Page 172 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Control output 2 Digits are assigned from right to left 0000 Polarity A to D in the order 1, 2, 3, 4. 1st digit: Polarity A 0: Direct 2nd digit: Polarity B 1: Reverse...
Page 173 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Event output 1 Same as Control output 1 Polarity 0000 Polarity A to D A to D. 1st digit: Polarity A The following setting applies to 2nd digit: Polarity B each digit: 3rd digit: Polarity C...
Page 174 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Initial User Display Item Contents Notes value level Event output 3 Same as Control output 1 Polarity 0000 Polarity A to D A to D. 1st digit: Polarity A The following setting applies to 2nd digit: Polarity B each digit: 3rd digit: Polarity C...
Page 175 Chapter 6. LIST OF DISPLAYS AND SETTING DATA Lock bank „ Bank selection: Initial User Display Item Contents Notes value level Key lock 0: All settings are possible. When two sets of passwords 1: Mode, event, operation display, (1A and 1B, 2A and 2B) are SP, UF, lock, and manual MV can matched, the setting is be set.
Page 177 If the optional model is provided with the RS-485 communication function, communication with a PC, PLC or other host devices are available using a user-configured program. The communication protocol can be selected from the Controller Peripheral Link (CPL) communication (Azbil Corporation's host communication protocol) and the Modbus communication. This chapter describes the CPL communications.
Page 178 Chapter 7. CPL COMMUNICATION FUNCTION Communication procedures „ The communication procedure is as follows: (1) The instruction message is sent from the host device (master station) to one unit (slave station) to communicate with. (2) The slave station receives the instruction message, and performs read or write processing according to the content of the message.
Page 179 Chapter 7. CPL COMMUNICATION FUNCTION 7 - 2 Message Structure Message structure „ The following shows the message structure: Messages are broadly classified into two layers; the data link layer and the application layer. • Data link layer This layer contains the basic information required for the communication such as the destination of the communication message and the check information of the message.
Page 180 Chapter 7. CPL COMMUNICATION FUNCTION List of data link layer data definitions The following list shows the definitions for data in the data link layer: Data name Character code Number of Meaning of data characters Start of message Station 0 to 7FH are expressed as Identification of device address hexadecimal character codes.
Page 181 Chapter 7. CPL COMMUNICATION FUNCTION • How to calculate a checksum (1) Add the character codes in the message from STX through ETX in single byte units. (2) Take two's complement of the low-order one byte of the addition result. (3) Convert the obtained two's complement to a two-byte ASCII code.
Page 182 Chapter 7. CPL COMMUNICATION FUNCTION Application layer „ The table below shows the configuration of the application layer. Item Description Command "RS" (decimal number format continuous address data read command) "WS" (decimal number format continuous address data write command) "RD" (hexadecimal number format continuous address data read command) "WD"...
Page 183 Chapter 7. CPL COMMUNICATION FUNCTION 7 - 3 Description of Commands Continuous data read command (RS command) „ This command reads data of continuous addresses by a single command. Send message This command enables the content of continuous data addresses starting with the specified read start address to be read as a single message.
Page 184 Chapter 7. CPL COMMUNICATION FUNCTION Continuous data write command (WS command) „ This command writes data to continuous addresses. Send message The figure below shows the structure of the application layer of the send message for the data write command. (1) Write command (2) Data delimiter (3) Start write data address...
Page 185 Chapter 7. CPL COMMUNICATION FUNCTION Fixed length continuous data read command (RD command) „ This command reads continuous data in two-byte units. This command is suitable for handling data in ladder programs sent by PLC communications as the data is of a fixed length.
Page 186 Chapter 7. CPL COMMUNICATION FUNCTION Fixed length continuous data write command (WD command) „ This command writes continuous data in two-byte units. This command is suitable for handling data in ladder programs sent by PLC communications as the data is of a fixed length.
Page 187 Chapter 7. CPL COMMUNICATION FUNCTION Fixed length random data read command (RU command) „ This command reads random data in two-byte units. Send message The data address (four hexadecimal digits) of the data to be read is sent in the specified order.
Page 188 Chapter 7. CPL COMMUNICATION FUNCTION Fixed length random data write command (WU command) „ This command writes data to random addresses in two-byte units. Data is expressed in four hexadecimal digits. Send message Data is sent for the specified number of write data with the data address (four hexadecimal digits) of the data to be written and the data (four hexadecimal digits) as a pair.
Page 189 Chapter 7. CPL COMMUNICATION FUNCTION 7 - 4 Definition of Data Addresses RAM and EEPROM areas of data addresses Data addresses are categorized as follows: Data address Name Notes (hexadecimal notation) 273W to 14859W RAM access data address Reading and writing of these addresses are both (0111 to 3A0B) performed on RAM.
Page 190 Chapter 7. CPL COMMUNICATION FUNCTION 7 - 5 Numeric Representation in the Application Layer The specifications of numeric representation are decimal variable-length (zero suppress) for RS and WS commands and hexadecimal fixed-length for RD, WD, RU and WU commands. Details are as follows: RS and WS commands Item Specifications...
Page 191 Chapter 7. CPL COMMUNICATION FUNCTION 7 - 6 List of Termination Codes When an error occurred in the application layer, an abnormal termination code is returned as a response message. Termination Description Remedies Example code Normal termination All the processing has normally completed.
Page 192 Chapter 7. CPL COMMUNICATION FUNCTION 7 - 7 Reception and Transmission Timing Timing specifications for instruction and response message „ The cautions below are required with regard to the timing to transmit a instruction message from the master station and a response message from the slave station. Response monitor time The maximum response time from the end of the instruction message transmission by the master station until when the master station receives a response message...
Page 193 The program is supplied for purposes of reference to assist the user in making a program, and its operation is not 100% guaranteed. Handling Precautions • Azbil Corporation assumes no responsibility with regard to any trouble caused by using this program. Prior to running the sample program Make sure to check the settings for communications type, station address, transmission speed and data format of the instrument.
Page 194 Chapter 7. CPL COMMUNICATION FUNCTION Running the sample program This program is used for reading and writing data. When the program is executed, the application layers of the instruction message and response message communicated are indicated. command:RS,14356W,2 result:00,0,0 command:WS,14357W,2 result:00 Sample indication of execution results Processing of the sample program •...
Page 195 If the optional model is provided with the RS-485 communications function, communication with a PC, PLC or other host devices are available using a user-configured program. The communication protocol can be selected from the Controller Peripheral Link (CPL) communication (Azbil Corporation's host communication protocol) and the Modbus communication. This chapter describes the Modbus communications.
Page 196 Chapter 8. Modbus COMMUNICATION FUNCTION Communication procedures „ The communication procedure is as follows: (1) The instruction message is sent from the host device (master station) to one unit (slave station) to communicate with. (2) The slave station receives the instruction message, and performs read or write processing according to the content of the message.
Page 197 Chapter 8. Modbus COMMUNICATION FUNCTION 8 - 2 Message Structure Message structure „ This section describes the message structure. All messages are expressed in hexadecimal. Modbus ASCII All messages other than delimiters are written in hexadecimal ASCII codes. A message of Modbus ASCII consists of (1) to (6) below. The part of (3) stores commands, which are transmission contents from the master station and responses, which are transmission contents from the slave station.
Page 198 Chapter 8. Modbus COMMUNICATION FUNCTION (2) Take two's complement of the addition result. (3) Convert the low-order one byte of the addition result to a character code. The following is a sample checksum calculation: [Sample message] : 3AH (start of the message) : 30H (first byte of the station address) : 41H (second byte of the station address) : 30H (first byte of the read command)
Page 199 Chapter 8. Modbus COMMUNICATION FUNCTION Modbus RTU All messages are written in binary data. A Modbus RTU message consists of (1) to (3) below. The part of (2) stores commands, which are transmission contents from the master station and responses, which are transmission contents from the slave station. All messages use binary data.
Page 200 Chapter 8. Modbus COMMUNICATION FUNCTION • 1-frame end judgment A message end (1-frame end) is determined when a time period specified for each transmission speed has passed during which no character is received. It is considered that 1 frame has ended when the next character is not received before the time-out time shown below passes.
Page 201 Chapter 8. Modbus COMMUNICATION FUNCTION 8 - 3 Description of Commands Read command (03H) „ Reads the continuous data addresses in hexadecimal notation. Send Message This is a command capable of reading the contents of continuous data addresses from a specified read start data address with a single message. The following is an example of send message while reading data: Modbus ASCII (1) Start of message...
Page 202 Chapter 8. Modbus COMMUNICATION FUNCTION • Example in case of error (1) Start of message (2) Station address (3) Error flag (Since undefined "04" is sent as a command with a send message, the most significant bit is turned ON and sent back as "84.") (4) Abnormal termination code ( p. 8-6) (5) Checksum (LRC)
Page 203 Chapter 8. Modbus COMMUNICATION FUNCTION Write command (10H) „ Writes continuous data addresses in hexadecimal notation. Send Message This is a command capable of writing the contents of continuous data addresses from a specified write start data address with a single message. The following is an example of send message while writing data: (Example) Writing 01A0H and 0E53H in the continuous data addresses consisting of 2 words following 1501W (05DDH).
Page 204 Chapter 8. Modbus COMMUNICATION FUNCTION Response Message A response message corresponding to the command content is returned when the message is correctly received. The figure below shows the structure of the response message when the data is written. Modbus ASCII Start of message Station address Write command 10H...
Page 205 Chapter 8. Modbus COMMUNICATION FUNCTION 8 - 4 Specifications Common with CPL Communication Function Definition of data addresses „ 7 - 4 Definition of Data Addresses (p. 7-13) Numeric representation „ The specifications of numeric representation is the same as the following: RD, WD, RU and WU commands in Numeric Representation in the Application Layer (p. 7-14) RS-485 driver control timing specifications...
Page 207 Chapter 9. LIST OF COMMUNICATION DATA List of communication data „ The following shows the meanings of the symbols stated in the “RAM/EEPROM Read/Write” columns: No symbol: Possible. Possible according to the conditions. ∆: Possible, but data is invalid. Impossible. Note: When reading the EEPROM address, data in the RAM is read in the same manner as reading of the RAM address.
Page 208 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Setup PV range low limit 5205 1455 21589 5455 PV range high limit 5206 1456 21590 5456...
Page 209 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Setup Auxiliary output scaling low limit 5254 1486 21638 5486 Auxiliary output scaling high limit 5255 1487 21639...
Page 210 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Internal Contact 1 Polarity A 5407 151F 21791 551F — Assignment Internal Contact 1 Polarity B 5408 1520 21792...
Page 211 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Internal Contact 5 Polarity A 5455 154F 21839 554F — Assignment Internal Contact 5 Polarity B 5456 1550 21840...
Page 212 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Event output 3 Operation type 5645 160D 22029 560D — Assignment Event output 3 Output assignment A 5646 160E 22030...
Page 213 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Event Internal Event 5 state at READY 5840 16D0 22224 56D0 — Configuration (Reserved for future extension.) 5841 16D1 22225...
Page 214 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Event Internal Event 1 main setting 7501 1D4D 23885 5D4D Same as RAM address 13056 (decimal).
Page 215 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Mode AUTO/MANUAL 9001 2329 25385 6329 — Same as RAM address 14596 (decimal). Writing is enabled under no DI Assignment and other conditions.
Page 216 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Status Input alarm status 9201 23F1 25585 63F1 — Bit 0: AL01 (PV over-range) Bit 1: AL02 (PV under-range) Bit 2: AL03 (CJ, RTD burnout) Bit 3: Undefined.
Page 217 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information DO status 9205 23F5 25589 63F5 — Same as RAM address 14337 (decimal). Bit 0: Control output 1 Bit 1: Control output 2 Bit 2: Event output 1 Bit 3: Event output 2...
Page 218 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Proportional band (PID1) 12288 3000 28672 7000 Integration time (PID1) 12289 3001 28673 7001 —...
Page 219 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Event Internal Event 1 main setting 13056 3300 29440 7300 Internal Event 1 sub-setting 13057 3301 29441...
Page 220 Chapter 9. LIST OF COMMUNICATION DATA RAM address EEPROM address EEPROM Decimal Bank Item name point Notes Decimal Hexadecimal Decimal Hexadecimal Read Write Read Write information Operation LSP group selection 14592 3900 30976 7900 — Writing is enabled under no DI Assignment conditions.
Page 221 Chapter 10. MAINTENANCE AND TROUBLESHOOTING Maintenance „ Cleaning When removing dirt from the instrument, wipe it off with a soft cloth rag. At this time, do not use any organic solvent, such as paint thinner or benzine. Part replacement Do not replace any parts of this unit. Fuse replacement When replacing the fuse connected to the electric wiring, always use the specified standard fuse.
Page 222 Chapter 10. MAINTENANCE AND TROUBLESHOOTING Behavior in case of PV input failure „ (1) AL01, 02, or 03 occurs. Control output: It is possible to make the settings so that the control action is continued or stopped. Other actions: Actions are continued. (2) Alarm occurs other than those shown above.
Page 223 However, note that another message appears when inspecting the LED. Handling Precautions • Azbil Corporation shall not be held responsible for any defects arising from improper calibration made by the customer. • To return the unit to the calibration status of the default settings before shipment during calibration, follow the steps below.
Page 224 PV input calibration (1) Select the [PV Calibration] tab. (2) Select the model, [4: C25/26/35/36 T/C], [5: C25/26/35/36 RTD], or [6: C25/26/35/36 LIN]. (3) Select the gain No. in the ascending order and perform the operation from step (4).
Page 225 Chapter 11. CALIBRATION For details about how to connect measuring instruments in the apply status, refer to the following figures: • The PV input type is T/C (thermocouple). This unit (10) Voltage (11) generator (12) • The PV input type is RTD. This unit (10) Resistor...
Page 226 Chapter 11. CALIBRATION Current Transformer (CT) input calibration (1) Select the [CT input calibration] tab. (2) Select a desired channel to be calibrated. (3) Select [Zero] from the zero span selection items. (When selecting a channel, perform the [Zero] calibration first, and then perform the [Span] calibration next since “Zero/Span”...
Page 227 Chapter 11. CALIBRATION Current output calibration (1) Select the [Analog Output Calibration] tab. (2) Select a desired channel to be calibrated. Select [ch1] for control output 1, [ch2] for control output 2, and [ch3] for auxiliary output. (3) Select [Zero] from the zero span selection items. (When selecting a channel, perform the [Zero] calibration first, and then perform the [Span] calibration next since “Zero/Span”...
Page 229 Chapter 12. DISPOSAL When disposing of this unit, dispose of it appropriately as an industrial waste in accordance with local laws and regulations. 12-1...
Page 231 Chapter 13. SPECIFICATIONS Specifications „ PV input Input type: Thermocouple K,J,E,T,R,S,B,N (JIS C1602-1995) PLII(Engelhard Industries Data(ITS90)) WRe5-26 (ASTM E988-96(Reapproved 2002)) Ni-NiMo (ASTM E1751-00) PR40-20 (Johnson Matthey Data) DIN U,DIN L (DIN 43710-1985) Gold-iron Chromel (Hayashidenko Data) Resistance temperature detector (RTD) Pt100 (JIS C1604-1997) JPt100 (JIS C1604-1989) DC voltage...
Page 232 Chapter 13. SPECIFICATIONS z DC voltage input Input impedance: Min. 1 MΩ Input bias current: 1 V range or less ....Max. 1 µA (flows to the (+) terminal) 0 to 5 V, 1 to 5 V range ..Max. 3.5 µA (flows to the (+) terminal) 0 to 10 V range ....
Page 233 Chapter 13. SPECIFICATIONS Display range lower limit: 0.0 A AC Display range upper limit: 70.0 A AC (800 turns, 1 time) Formula; Number of turns ÷ (16 × number of power wire loops) × 1.4 Display accuracy: ±5 %FS Display resolution: 0.1 A AC Control output z Relay output...
Page 234 Chapter 13. SPECIFICATIONS RS-485 communication Transmission line: 3-wire method Transmission speed: 4800, 9600, 19200, 38400 bps Communication distance: Max. 500 m Communication method: Half duplex, start/stop synchronization method Communication protocol: In conformity with CPL and Modbus Number of connection units: Max.
Page 235 No power failure allowed (DC model) Altitude: 2000 m or less Mass: C25 48 × 96 Approx. 250 g (including mounting bracket) C26 96 × 96 Approx. 300 g (including mounting bracket) Terminal screw tightening torque: 0.4 to 0.6 N·m...
Page 237 Appendix Glossary Abbreviations are used in the descriptions, tables, and figures in this manual. The following shows the main abbreviations: Auto Tuning Current Transformer Digital Input Digital Output (Control outputs of relay and voltage pulse, and event output) Event Local Set Point. This value is the SP value stored in the instrument. Manipulated Variable Process Variable Set Point...
Page 239 Index Number C29 Heat/Cool change point 5-21 3-wire system C30 LSP system group 5-30 C32 SP ramp unit 5-31 5-wire system C36 CT1 operation type 5-74 C37 CT1 output 5-74 Accessories C38 CT1 measurement wait time 5-74 Alarm code 10-1 C39 CT2 operation type 5-74 Alarm OR...
Page 240 C85 MS indicating lamp ON condition (3rd priority) CT output 5-74 5-83 CT type 5-74 C86 MS indicating lamp ON status (3rd priority) 5-83 Current output 5-70 C87 MS indicating lamp deviation range 5-83 Current transformer C88 Special function Current transformer (CT) input 2-1, 5-73 C89 Zener barrier adjustment C90 Number of CT1 turns...
Page 241 PV low limit 5-42 I/O check 11-2 READY 5-48 Isolation 13-4 5-48 SP high limit 5-44 Jack cover 1-3, 1-5 SP high/low limit 5-44 Just-FiTTER 1-1, 5-25 SP low limit 5-44 Just-FiTTER assistance coefficient 5-25 Timer 5-48 Just-FiTTER settling band 5-25 Event output Event remaining time display setup...
Page 242 5-18 PV input calibration 11-2 MV1/MV2 process 5-55 P V input calibration (DC voltage/DC current input) MV display setup 5-80 11-3 MV high limit at AT 5-23 PV input calibration (RTD input) 11-3 MV low limit at AT 5-23 PV input calibration (thermocouple input) 11-3 PV input failure 10-2...
Page 243 SP lag 5-25 WS command SP low limit 5-33 WU command 7-12 SP ramp disabled 5-33 SP ramp enabled 5-33 Zener barrier adjustment SP ramp unit 5-31 SP up ramp 5-32 Stand-alone mounting Standard type Standby 5-50 Station address 7-1, 7-4, 8-3 Sub-address 7-3, 7-4 Sub-setting...
Page 245 Revision History of CP-SP-1149E Date Rev. Revised pages Description Mar. 2004 1-7, 4-2, 13-4 Dec. 2004 The tightening torque of the terminal screw 0.4N.m→0.4 to 0.6N.m changed. zPV input range table *1,*2 added. Handling Precautions explanation added. 5-21 Change point→50.0% changed. 5-35 „Event channel definitions Contents changed.
Page 246 Date Rev. Revised pages Description Applicable standard: EN61326-1 changed to EN61326. Aug. 2006 Soft cover added. Chapter 3. Layout changed. zHow to use the soft cover: this item was added. PV input range table: Range (Fahrenheit) added. 5-33 Flow chart for “Input bit function is not used”: polarity added. 5-80 User level: initial value 0 changed to 1.
Page 247 Mar. 2014 1-2, 13-2, 13-5 A note was added to the specifications for current transformer input. 4-10 Azbil Corporation’s line filter model No. was changed. Nov. 2014 Cover A notice saying “Not for use in Japan” was added. iii, 4-1 Caution was changed.
Page 248 Warranty period and warranty scope 1.1 Warranty period Azbil Corporation’s products shall be warranted for one (1) year from the date of your purchase of the said products or the delivery of the said products to a place designated by you.
Page 249 Although acceleration of the above situation varies depending on the conditions or environment of use of the products, you are required not to use any Azbil Corporation’s products for a period exceeding ten (10) years unless otherwise stated in specifications or instruction manuals.
Page 250 Specifications are subject to change without notice. (11) 1-12-2 Kawana, Fujisawa Kanagawa 251-8522 Japan https://www.azbil.com 1st edition: May 2004 16th edition: Mar. 2020 (B)

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