Page 1 AC50 Double PID atmosphere controller INSTALLATION AND INSTRUCTION MANUAL code: 80495 - 05-2021 AC50 manual page 1...
Page 2: Table Of Contents
Mounting the Controller ........... 11 WARRANTY ....................141 Connections................13 REVISION HISTORY ..................142 AC50 Connection diagrams ..........15 Serial RS485 Wiring Diagram ........... 20 Ethernet port wiring Diagram ......... 21 COMMISSIONING ..................22 Information on displays and use of keys ..... 22 Sequence at power-on ............
Page 3: Introduction
Before using the AC50 controller, the operator must be adequately instructed with regard to operating, emergency, diagnostics, and maintenance procedures. If the AC50 controller is used in applications with risk of harm to persons or damage to machines or materials, auxiliary alarm devices must be installed.
Page 4 Setpoint Set value (see SV). AC50 manual page 4...
Page 5 SSi., and the user must compare them to his/her real application requirements. SSi also reserves the right to change the contents and form of this manual, as well as the characteristics of the Under no circumstances will SSi be liable for any...
Page 6: General Description
PC and SuperSET software, even without powering the mal systems, automatically activated when necessary. controllers. SuperSET may be used to define, for each menu and parameter, which values will be shown to the controller to ensure easy use in the field. AC50 manual page 6...
Page 7 Connectivity The AC50 controller has three different levels of communica- tion with automation and supervision devices: -RS485 Modbus RTU slave serial communication for interfa- ce with Master Modbus -RS485 Modbus RTU master serial communication for rea- ding/writing information toward Modbus slave devices such...
Page 8: Ac50 Controller
Web server for browser access to web pages residing in the device, for monitoring and setting parameters • Bridge function for creation of Modbus RTU 485 sub-network • Removable faceplate for immediate replacement • Accuracy 0,1%, sampling time 60 ms AC50 manual page 8...
Page 9 (default = setpoint). pv display = process variable AC50 manual page 9...
Page 10 1.2.2. Drilling dimensions and templates Figure 1 - AC50 drilling dimensions and templates AC50 manual page 10...
Page 11: Installation
Attention! If even one of the requirements mentioned above (trained technician in, device in perfect con- dition, correct configuration) is not satisfied, interrupt the installation and contact your SSi dealer or SSi Customer Service. 2.1.
Page 12 If necessary, filter direct light, for example, with a reflective screen. The controller must be tilted between 30° and 120°, as shown in the figure. Figure 2 - Fastening the AC50 120 ° Controllers not in scale 30 ° Figure 3 - Positioning the controller...
Page 13: Connections
0.5 N m. Two ring or crimped fork terminals can be connected on each terminal The following table shows the characteristics of the cables and terminals that can be used. AC50 manual page 13...
Page 14 Figure 4 - Snubber connection diagram (AC) For inductive loads that work in DC, mount a 1N4007 diode parallel to the coil. Figure 5 - Snubber connection diagram (DC) The filters must be connected as close as possible to the controller. AC50 manual page 14...
Page 15: Ac50 Connection Diagrams
B (Data +) RS485 serial line Isolated digital Power supply Relay output inputs A (Data -) Linear input in Thermocouple Supply Isolated analog output voltage / current input transmitter Supply potentiometer Input PT100 JPT100 2 / 3wires AC50 manual page 15...
Page 16 IN 9 OUT 9 OUT 17 LOAD IN 10 OUT 10 OUT 18 LOAD COM 19...21 IN 11 LOAD OUT 11 OUT 19 IN 12 OUT 12 LOAD OUT 20 IN 13 OUT 13 LOAD OUT 21 AC50 manual page 16...
Page 17 Output Out 4 – relay 5 A Linear input (V, I) Linear input in direct voltage Relay 250 VAC, 5 A 0...60 mV Ri > 100MΩ 0...1 V Ri > 100MΩ Linear input in direct current 0/4...20mA, Ri = 50 Ω AC50 manual page 17...
Page 18 RS485 2-wires 0...5 V / 0...10 V Ri > 400 KΩ B (Data +) A (Data -) transmitter VT2 supply VT2 = 24 VDC ±10%, max 30 mA [with option auxiliary input = 3] VP1 o VT2 AC50 manual page 18...
Page 19 OUT 15 0...10 V, max 20 mA Rout > 500 Ω certification UL), OUT 16 250VAC 0...20 mA / 4...20 mA Rout < 500 Ω OUT 17 OUT 18 COM 19...21 OUT 19 OUT 20 OUT 21 AC50 manual page 19...
Page 20: Serial Rs485 Wiring Diagram
Up to 31 controllers may be connected in parallel on physical line RS485. The line must be terminated with a resistor (120 Ω, 1/2 W) at each end. The AC50 requires 120 Ohm termina- tion outside the instrument Host computer...
Page 21: Ethernet Port Wiring Diagram
AC50 Host Slave No. 1 Slave No. 31 Figure 7 - RS485 bridge connection of multiple AC50 controllers 2.5. Ethernet port wiring diagram The AC50 is equipped with an Ethernet 10/100BaseT port m are required, insert signal repeaters (switches) to break with direct connection via RJ45 connector.
Page 22: Commissioning
Keep the key pressed to progressively increase the speed of raising the displayed parameter. When the process variable is displayed, in standard configuration the key switches the controller function mode (manual/automatics). ˜ Figure 8 - 14-segment font AC50 manual page 22...
Page 23: Sequence At Power-On
AUTOMATIC/MANUAL switching via key or digital input or serial communication. (*) Any error is signaled by the message EEPROM CHECKSUM ERROR. (**) Only if MANUAL mode was used before the controller was powered off. AC50 manual page 23...
Page 24: Configuration
Home screen will be displayed the controller. In case of doubts, or if you need any explanations, please consult www.Supersystems.com or contact SSI Customer Care. 4.1.2 Passwords The configuration menu is protected by 3 passwords that allow access to three different menu sections.
Page 25: Main Menu
PID1 User configuration menu If password is correct, enter If password is correct, enter If password is correct, enter (max 100 parameters) menu, if not, Home menu, if not, Home menu, if not, Home AC50 manual page 25...
Page 26 Digital input Analog output INDIG.3 OUT.A2 Digital inputs Outputs function function Digital input INDIG.4 Alarm HB Alarm 1...4 Digital input INDIG.5 Other functions Scrolling messages 1...3 languages with User menu 1...100 1...25 posts param. 1...75 posts AC50 manual page 26...
Page 27: Legend For Submenus And Parameters
Centigrade or Fahrenheit. Not all parameters require the use of units of measurement. Description of parameter values or information that can be read or written, as appropriate. Value that the parameter can have. Value can be two AC50 manual page 27...
Page 28: Info Submenu
= Value above maximum scale limit = PT100 in short circuit or value below minimum limit (for example TC with wrong connection) = Sensor break or value above maximum limit ECAL = Calibration error EAdC = AD converter error AC50 manual page 28...
Page 29 The parameter shows the serial number of the controller (number shown on data plate). The serial number is displayed in the form yy.ww nnnn, where = last two digits of year of production = week of production nnnn = progressive in week of production Unit of measurement: - Options: AC50 manual page 29...
Page 30 Options: 4.4.11 IN.AUX - Auxiliary input available Acronym Scrolling message Submenu Attributes IN.AUX AUXILIARY INPUT AVAILABLE INFO If present, the parameter indicates that an auxiliary input is installed on the controller. Unit of measurement: - Options: AC50 manual page 30...
Page 31 If present, this parameter indicates that the controller has an Ethernet communication module. The parameter shows the physical MAC address of the Ethernet in the scrolling message. The information is shown in the format xx-xx-xx-xx-xx-xx. Unit of measurement: Options: AC50 manual page 31...
Page 32 OUT4 - Type of output 4 Acronym Scrolling message Submenu Attributes Out4 OUTPUT TYPE INFO If present, the parameter indicates that output 4 is available on the controller and specifies the type. Unit of measurement: - Options: RELAY = Relay output AC50 manual page 32...
Page 33 Acronym Scrolling message Submenu Attributes OUT4.S NUMBER X 1000 OF CYCLES INFO If output 4 is available on the controller, the parameter shows the number of switchings (in thousands). Unit of measurement: Number (× 1000) Options: AC50 manual page 33...
Page 34 T.MAX - Maximum internal temperature of the controller Acronym Scrolling message Submenu Attributes T.MAX MAX INTERNAL TEMPERATURE INFO The parameter shows the maximum internal temperature of the controller measured during work. Unit of measurement: °C Options: AC50 manual page 34...
Page 35 DATE - Internal date Acronym Scrolling message Submenu Attributes dAtE INFO The parameter shows the complete internal date of the controller: month, day, year, day of week, with scrolling text. Unit of measurement: MM / DD / YYYY Options: AC50 manual page 35...
Page 36: Info.e Submenu
This parameter shows the status of the controller’s Ethernet connection Unit of measurement: - Options: NONE = Speed not detected 10/H = 10Mbps Half Duplex 10/F = 10Mbps Full Duplex 100/H = 100Mbps Half Duplex 100/F = 100Mbps Full Duplex AC50 manual page 36...
Page 37 = No error FAIL.N = NTP server not available 4.5.10 N.SOCK – Socket Number Available Acronym Scrolling message Submenu Attributes N.SOCK SOCKET NUMBER AVAILABLE INFO.E This parameter shows the number of currently available sockets. Unit of measurement: Options: AC50 manual page 37...
Page 38: Info.c Submenu
This parameter shows the temperature measured by the Zirconia probe, frozen before the start of the Burnoff procedure. During Burnoff, the carbon percentage continues to be calculated and the PID continues to adjust using this value until the end of the procedure. Unit of measurement: - Options: AC50 manual page 38...
Page 39 D.RECO - Last recovery time measured during probe diagnostics Acronym Scrolling message Submenu Attributes D.RECO DIAGNO RECOVERY TIME INFO.C This parameter shows the duration of the last RECOVERY time measured during the probe diagnostics procedure. Unit of measurement: mm:ss (minutes:seconds) Options: AC50 manual page 39...
Page 40: Cp.set Submenu
This parameter shows and sets the desired Carbon Monoxide factor. Unit of measurement: % Options: 0.00…99.99 4.7.3.1 COF.r - Remote COF enabling (Not available on AC50 unit, accessed via SuperSet software) This parameter sets remote enabling of the Carbon Monoxide Factor. 4.7.4 H2F - Diatomic hydrogen factor setting...
Page 41 LOW LIMIT FOR ALARM CP.SET This parameter shows and sets the lower limit for definition of alarms if the parameter C.SET is different from NONE (the- se parameters overwrite those of the INPUT menu). Unit of measurement: - Options: AC50 manual page 41...
Page 42 MAX VOLTAGE PROBE CP.SET Maximum voltage limit of the Zirconia probe for calculation of the PV. Above this value the outputs are forced to zero, if the parameter LOC.O is set as ENABLE. Unit of measurement: - Options: AC50 manual page 42...
Page 43 This parameter shows and sets the deactivation of outputs in the presence of errors. If this parameter is enabled, the control outputs are disabled in the event of a serious error Unit of measurement: - Options: DISAB = Disabled ENAB = Enabled AC50 manual page 43...
Page 44 Scrolling message Submenu Attributes M.O2.L NUM SCROLLING MSG WHEN O2 IS UNDER LIMIT CP.SET This parameter shows and sets the message number associated with the O2 out of range. Unit of measurement: Message identification number Options: 0…75 AC50 manual page 44...
Page 45: Burn.s Submenu
98% of the FRZ.MV value, the Burnoff procedure is considered completed. If after this time the signal is < 98% of the FRZ.MV value, the Probe Recovery Failure alarm is triggered. Unit of measurement: s (seconds) Options: 0…5999 AC50 manual page 45...
Page 46 NUMBER OF SCROLLING MESSAGE WHEN MAX TEMP BURNOFF IS BURN.S REACHED This parameter shows and sets the message number associated with the maximum permissible Burnoff temperature alarm (LIM.TE parameter). Unit of measurement: Message identification number Options: 0…75 AC50 manual page 46...
Page 47 Attributes MSG.RT NUMBER OF SCROLLING MESSAGE WHEN BURNOFF RECOVERY TIME IS BURN.S The parameter displays and sets the message number associated with the exceeded maximum burnoff timeout alarm. Unit of measurement: Message identification number Options: 0…75 AC50 manual page 47...
Page 48: Diag.s Submenu
D.FREQ - Probe diagnostics automatic repetition frequency Acronym Scrolling message Submenu Attributes D.FREQ DIAGNO FREQUENCY IN MINUTES DIAG.S This parameter shows and sets the frequency of automatic diagnostics repetition, in minutes. Unit of measurement: min Options: 0…9999 AC50 manual page 48...
Page 49 NUMBER OF SCROLLING MESSAGE WHEN RECOVERY TIME IS OUT DIAG.S This parameter shows and sets the message number associated with the maximum recovery timeout alarm after a probe short circuit ends. Unit of measurement: Message identification number Options: 0…75 AC50 manual page 49...
Page 50: Input Submenu
LO.AL HI.AL 4.10.2 INP.N - Selecting the analog input Acronym Scrolling message Submenu Attributes INP.N INPUT NUMBER INPUT The parameter shows and sets the identifying number of the analog input. Unit of measurement: Number Options: 1...3 AC50 manual page 50...
Page 51 B1 indicated by the instrument and of value B2 indicated by the external thermometer. Enable 4-point linearization (see Correcting 4-point input) and enter the four requested values (A1, B1 and A2, B2) AC50 manual page 51...
Page 52 = Sensor 2...10 V with custom calibration C.5V = Sensor 0...5 V with custom calibration C.1-5V = Sensor 1...5 V with custom calibration C.1V = Sensor 0...1 V with custom calibration C.0.2-1 = Sensor 0,2...1 V with custom calibration AC50 manual page 52...
Page 53 = Sensor 2...10 V with custom calibration C.5V = Sensor 0...5 V with custom calibration C.1-5V = Sensor 1...5 V with custom calibration C.1V = Sensor 0...1 V with custom calibration C.0.2-1 = Sensor 0,2...1 V with custom calibration AC50 manual page 53...
Page 54 When OFF, the parameter will be forced to ON (see options) at each Power On Unit of measurement: - Options: OFF = Disable SBR alarm On = Enable SBR alarm On.t = Enable SBR alarm with timing AC50 manual page 54...
Page 55 Scrolling message Submenu Attributes FILT INPUT.1 (or INPUT.2 DIGITAL FILTER INPUT The parameter shows and sets the value of the digital filter time constant. With 0.00 no filter is applied. Unit of measurement: Seconds Options: 0.00...20.00 AC50 manual page 55...
Page 56 The number of decimal set may reduce the limits of the measurement scale used. Unit of measurement: Number Options: 0...3 = Number of decimals displayed 0 / 1 = Number of decimals displayed, only for TC and RTD sensors AC50 manual page 56...
Page 57 The lower value of HI.SCL is limited by the value of LO.SCL. Unit of measurement: The one set with the Unit parameter Options: A value in the interval corresponding to the input or sensor type (see tables for LO.SCL parameter). AC50 manual page 57...
Page 58 INPUT.1 (or INPUT.2 or INPUT.3) HIGH LIMIT FOR ABSOLUTE ALARMS INPUT The parameter shows and sets the upper limit for defining alarms, i.e., the maximum value for setting an alarm. Unit of measurement: The one used for the alarm limit. Options: -1999...9999 AC50 manual page 58...
Page 59 If the parameter is set to “0” no message will be displayed for Sbr. As default, MSG.SB is assigned the message “4” (for LANG1 corresponds to ““SENSOR BROKEN” Unit of measurement: Number message Options: 0...25 (with LAnG=LANG1 or LANG2 or LANG3) 0…75 (with LAnG=NONE) AC50 manual page 59...
Page 60: Alarm Submenu
The parameter shows and sets the alarm to be configured, identified by its number. Unit of measurement: Number Options: 1...ALRM.N = Identifying number of alarm, where ALRM.N is the total number of alarms, setting by submenu MODE.. AC50 manual page 60...
Page 61 MAS.16 = Master Value 16 MAS.17 = Master Value 17 MAS.18 = Master Value 18 MAS.19 = Master Value 19 MAS.20 = Master Value 20 CARBO = Percent Carbon DEWP = DEWPOINT IMPED = Probe impedance OXY = Oxygen AC50 manual page 61...
Page 62 Instead, with “On” the alarm trips only after the temperature of 150°C is reached at least once for the process variable. Unit of measurement: - Options: = Alarm enabled at power-on = Alarm disabled at power-on (until setpoint is reached) AC50 manual page 62...
Page 63 Memorization maintains the active alarm state even after the alarm conditions are eliminated. The alarm state can be deleted by from the digital input, serial input, or key. Unit of measurement: - Options: = Alarm not latched = Alarm latched AC50 manual page 63...
Page 64 If the parameter is “On, ” the value shown on the PV display starts to flash in case of alarm. Unit of measurement: - Options: = PV display does not flash in case of alarm = PV display flashes in case of alarm AC50 manual page 64...
Page 65: Pid Submenu
Attributes DERV.S PID.1 (or PID.2) DERIVATIVE SAMPLE TIME The parameter shows and sets the derivative sampling time. The parameter is shown if the derivative action was enabled with parameter Cntr. Unit of measurement: Seconds Options: 0.240 AC50 manual page 65...
Page 66 Unit of measurement: % Options: 0.0...999.9 4.12.6 C.IT - Integral cooling time Acronym Scrolling message Submenu Attributes C.IT PID.1 (or PID.2) COOLING INTEGRAL TIME The parameter shows and sets the integral cooling time. Unit of measurement: Minutes Options: 0.00...99.99 AC50 manual page 66...
Page 67 The deadband is symmetrical to the setpoint. If the process value (PV) stays in this band, the control output keeps the required power value constant. Unit of measurement: Scale points of main or auxiliary input. Options: 0...999 AC50 manual page 67...
Page 68: In.dig Submenu
IN.DIG The parameter shows and sets the identifying number of the digital input to be configured. Unit of measurement: Number Options: 1...5 for AC50 models with 5 digital inputs option 4.13.2 STAT - Defining the input state Acronym Scrolling message...
Page 69 If the parameter is set to “0” no message will be displayed when the digital input is activated. The same message number can be assigned to different inputs. Unit of measurement: Message identification number Options: 0...25 (with LAnG=LANG1 or LANG2 or LANG3) 0…75 (with LAnG=NONE) AC50 manual page 69...
Page 70: Outpu Submenu
= Alarm 1 OR Alarm 2 OR Alarm 3 OR Alarm 4 AND.12 = Alarm 1 AND Alarm 2 AN.123 = Alarm 1 AND Alarm 2 AND Alarm 3 A.1234 = Alarm 1 AND Alarm 2 AND Alarm 3 AND Alarm 4 AC50 manual page 70...
Page 71 B.ABOR = BURNOFF Abort”/> B.ST.AB = BURNOFF Start/Abort”/> D.STRT = DIAGNO Start”/> D.ABOR = DIAGNO Abort”/> D.ST.AB = DIAGNO Start/Abort”/> B.AUTO = Automatic Burnoff”/> D.AUTO = Automatic Diagno”/> PCO.R = PCO Local/Remote”/> PH2.R = PH2 Local/Remote”/> AC50 manual page 71...
Page 72 If Heat power is 25% and the line frequency is 50 Hz, the cycle time is 80 ms. The output is active for 20 ms and inactive for 60 ms (= 3 × 20 ms, equal to the remaining 75% of the cycle time). Unit of measurement: Seconds Options: 1...200 for relay output AC50 manual page 72...
Page 73: Out.an Submenu
4.15.2 OU.AN.N - Selecting the output Acronym Scrolling message Submenu Attributes OU.AN.N ANALOG OUTPUT NUMBER OUT.AN The parameter shows and sets the identifying number of the output to be configured. Unit of measurement: Number Options: 1...2 AC50 manual page 73...
Page 74 = Auxiliary input 2 if model with Master Modbus serial (except output 1) and at least one Master parameter configured as SuperSET: MASTER = Master value (for type provided to word only) (index no. to be specified in MAST.N) AC50 manual page 74...
Page 75 The parameter shows and sets the scale maximum, which corresponds to minimum output value in voltage or current. Each time you set the power control output on parameter FuNC, the parameter value is forced to 1000. Unit of measurement: Scale points of quantity assigned to analog output. Options: -1999...9999 AC50 manual page 75...
Page 76: Fun Submenu
Submenu Attributes EN.EDI ENABLE EDITOR CONFIGURATOR EN.FUN This parameter shows and sets enabling in the set-up of the editor on the tools menu. Unit of measurement: - Options: = Menu Configurator disabled = Menu Configurator enabled AC50 manual page 76...
Page 77: Mode Submenu
With STAND, the control output assumes the local or remote POWER value. With BUMPL, the value of the control output does not change. In case of remote manual control, the control acts in raise/ lower mode. Unit of measurement: - Options: STAND BUMPL AC50 manual page 77...
Page 78 The parameter shows and sets enabling of the Timer function. The Timer function is explained in detail in “Timer” Unit of measurement: Options: = Timer disabled ON.SEC = Timer enabled with time base Seconds ON.MIN = enabled with time base Minutes AC50 manual page 78...
Page 79 MODE The parameter shows and sets enabling of the energy counter function. The Energy Counter function is explained in detail in “Energy counter”. Unit of measurement: - Options: = Energy counter disabled = Energy counter enabled AC50 manual page 79...
Page 80: Seria Submenu
RS485 Modbus RTU via an Ethernet Modbus TCP card. The parameter only appears if the Ethernet Modbus TCP e RS485 “bridge” option is available. Unit of measurement: ms Options: 0...9999 AC50 manual page 80...
Page 81: Ether Submenu
IP.AD3 IP ADDRESS ETHER This parameter shows the IP 3 address identifying the controller in an Ethernet network. The parameter is the first field in the complete IP address (xxx.xxx.xxx.xxx). Unit of measurement: Number Options: 0...255 AC50 manual page 81...
Page 82 SUB.M4 SUBNET MASK ETHER This parameter shows the Subnet mask 4 identifying the controller in an Ethernet network. The parameter is the first field in the complete Subnet mask (xxx.xxx.xxx.xxx). Unit of measurement: Number Options: 0...255 AC50 manual page 82...
Page 83 This parameter shows and updates the server update time for time synchronisation of the controller (Network Time Pro- tocol). If the parameter is 0, the automatic updating function will be disabled. Unit of measurement: hours Options: 0…9999 AC50 manual page 83...
Page 84 This parameter shows and updates the broadcast definition server for time synchronisation of the controller (Network Time Protocol). Unit of measurement: - Options: = The server is on a local network = The server is on a public network AC50 manual page 84...
Page 85 4.19.20 GMT.OF – Offset in relation to GMT (Greenwich Mean Time) Acronym Scrolling message Submenu Attributes GMT.OF GREENWICH MEAN TIME OFFSET ETHER This parameter shows and updates the offset for time synchronisation of the GMT(Greenwich Mean Time). Unit of measurement: hh.mm Options: -12.00…12.00 AC50 manual page 85...
Page 86: Hmi Submenu
The parameter appears only if the optional auxiliary input is available and PID2 is enabled. Unit of measurement: - Options: HOME1 = Display Home1 at power-on and Home2 enabled HOME2 = Display Home2 at power-on and Home2 enabled NO.HO2 = Display Home1 at power-on and Home2 disabled AC50 manual page 86...
Page 87 MESSAGE LANGUAGE The parameter shows and sets the language for the scrolling messages. Unit of measurement: - Options: LANG1 = Language 1 (English) LANG2 = Language 2 (Italian) LANG3 = Language 3 NONE = No language AC50 manual page 87...
Page 88 With “0, ” the backlight does not switch off, but goes to the minimum useful level for reading the display. The backlight goes to maximum level when any key is pressed. Unit of measurement: - Options: 0...10 (default = 8) AC50 manual page 88...
Page 89: Home Submenu
HOME.1 (o HOME.2) KEY FUNCTION HOME The parameter shows and sets the function assigned to key 2 ( ) of the AC50 controller. Unit of measurement: - Options: As per but.1 Note : If the setting is the same as but.1, it has no effect (equals NONE).
Page 90 = Power control output (on AC50 LED % on) SP-PV = Deviation |SP-PV| HEAT = Heating power output with 0...100% control (on AC50 LED % on) COOL = Cooling power output with 0...100% control (on AC50 LED % on) HE+CO = Power control output -100...100% (positive for heating, negative for cooling)
Page 91 = Power control output (on AC50 LED % on) SP-PV = Deviation |SP-PV| HEAT = Heating power output with 0...100% control (on AC50 LED % on) COOL = Cooling power output with 0...100% control (on AC50 LED % on) HE+CO = Power control output -100...100% (positive for heating, negative for cooling)
Page 92 = Power control output (on AC50 LED % on) SP-PV = Deviation |SP-PV| HEAT = Heating power output with 0...100% control (on AC50 LED % on) COOL = Cooling power output with 0...100% control (on AC50 LED % on) HE+CO = Power control output -100...100% (positive for heating, negative for cooling)
Page 93 MAS.15 = Master value 15 MAS.16 = Master value 16 MAS.17 = Master value 17 MAS.18 = Master value 18 MAS.19 = Master value 19 MAS.20 = Master value 20 CP.VAL = Percent Carbon DEW.P = Dew point value AC50 manual page 93...
Page 94 MAS.15 = Master value 15 MAS.16 = Master value 16 MAS.17 = Master value 17 MAS.18 = Master value 18 MAS.19 = Master value 19 MAS.20 = Master value 20 CP.VAL = Percent Carbon DEW.P = Dew point value AC50 manual page 94...
Page 95 4.21.14 LED.5 – Enabling REMOTE led Acronym Scrolling message Submenu Attributes LED.5 ENABLE OF REMOTE LED HOME The parameter enables and disables the REMOTE led Unit of measurement: - Options: = Disables the REMOT led = Enables the REMOT led AC50 manual page 95...
Page 96 4.21.15 LED.6 – Enabling SP1/2 led Acronym Scrolling message Submenu Attributes LED.6 ENABLE OF SP12 LED HOME The parameter enables and disables the SP1/2 led Unit of measurement: - Options: = Disables the SP1/2 led = Enables the SP1/2 led AC50 manual page 96...
Page 97: Cal Submenu
2: I.AUX2 = Calibration of custom auxiliary input 2 (selected with TYPE parameter in INPUT.3 menu). * in the case of C.RTD, linearisation with 32 broken LIN=32STP must be enabled AC50 manual page 97...
Page 98 To calibrate: • apply a resistance corresponding to minimum scale value to the main input (for example, 18.52 Ω for Pt100) ; • press the key to acquire the calibration value. Unit of measurement: - Options: AC50 manual page 98...
Page 99 4.22.10 DAY - Setting day of week Acronym Scrolling message Submenu Attributes US.CAL The parameter shows and sets the day of the week on the Real Time Clock, if U.CAL = RTC. Unit of measurement: Day of week Options: MONDA...SUNDA AC50 manual page 99...
Page 100 The parameter shows and sets the maximum analog output value. You can change the displayed value with the keys. To check the real voltage/current value on the output during calibration, measure it with a voltmeter/ammeter. Unit of measurement: steps Options: 0...65535 AC50 manual page 100...
Page 101: Pasc0
The parameter lets you set the code for resetting the controller to factory configuration, which will delete all changes made. Default code: 99. ATTENTION! After you have set code 99, when you press the key the controller runs the Power-on procedure, as described in “Sequence at power-on”. Unit of measurement: Number Options: 0...9999 AC50 manual page 101...
Page 102: Status Parameters Associated With The Carbon Controller Function
DELTA = delta mV test after air blowing P.R.MIN = preparation of recovery phase before minimum time RE.MIN = Recovery up to the minimum time W.RECO = Recovery DEFRZ = Carbon defreezing parameters - end Burnoff AC50 manual page 102...
Page 103 = Probe short circuit test RECO = Recovery after short circuit test 4.28.9 D.COUN - Probe Diagnostics Countdown Acronym Scrolling message Submenu Attributes D.COUN DIAGNO COUNTDOWN UserMenu The parameter indicates the probe diagnostics countdown Unit of measurement: Options: AC50 manual page 103...
Page 104 = calculation outside the limits 4.28.13 OXYG - Oxygen partial pressure reading Acronym Scrolling message Submenu Attributes OXYG UserMenu The parameter indicates the conentration of oxygen in the atmosphere Unit of measurement: partial pressure, where 1.00 = 100% O2 AC50 manual page 104...
Page 105: Examples And Application Notes
- see the recommendations of the manufacturers of the probes section on “Error conditions”). AC50 manual page 105...
Page 106: Burnoff Procedure - Probe Cleaning
2% (which does not correspond to a 2% jump of the calculated %C). AC50 manual page 106...
Page 107 Then the recovery phase begins, and stringent for the type of probe used). AC50 manual page 107...
Page 108 B.MIN.T = 90s, even one until the time B.MIN.T, after which the Burnoff procedure though the mV probe (IN3) has already become fully ends. operational before the set minimum time: it is clear that the AC50 manual page 108...
Page 109 There is an initial Burnoff phase in which, following air the probe impedance and applying the short-circuit. blowing, there is a descent of the points during which the %C is frozen. AC50 manual page 109...
Page 110: Zirconium Probe Diagnosis Procedure
Short-circuiting the probe causes it to work as an oxygen pump, thus creating a higher concentration of oxygen around the probe. The signal recovery time is an indication of how quickly the oxygen barrier around the probe is cleared. AC50 manual page 110...
Page 111 D.TIME = 15s. Next, note the rise of the IN3 signal during During the first 20s a measurement of probe impedance is recovery from the short circuit until the mV value is fully taken, after which the short-circuit is triggered (in the graph recovered. AC50 manual page 111...
Page 112: Fault And/Or Alarm Conditions
DewPoint (P.MIN.V parameter) ENABLE RANGE” Signalling if you are above the “CARBON Continuous “TOO HIGH MV Max Probe Calc calculable voltage limit of %C or (if LOC.O = CALC OUT control TO CALC” DewPoint (P.MAX.V parameter) ENABLE RANGE” AC50 manual page 112...
Page 113 C.SET parameter in the have no effect. CP.SET menu is different from NONE. NOTE3: the scrolling messages in the “CARBON STATE” screen of the USERMENU can be customised according to AC50 manual page 113...
Page 114: Cof, H2F Parameters Can Be Set Remotely
NB: The instrument expects to receive a value (1 - 1000) connections section). with no decimal points, set input 2 appropriately. In the INPUT menu, select input 2 and set the appropriate parameters for the instrument being used. AC50 manual page 114...
Page 115: Auxillary Input
(as the INx parameter is displayed during the Now press MEN procedure, and not PVx ). In the LINRZ menu, on the other 3.1) to assign the calibrator reading to the third of the four AC50 manual page 115...
Page 116 X2-X1 = 300, which is 85 more (10% of 850). The corresponding points on the corrected curve (indication) are: • Y1 = STP.02 = 120, • Y2 = STP.03 = 220. With the corrected curve, an input value of 200 is displayed as 170. AC50 manual page 116...
Page 117: Alarms
SP - AL1 or greater than SP + AL1. Hyst1 When an inverse alarm is set, the alarm trips when the SP -AL1 measured value is between SP - AL1 and SP + AL2 Hyst1 tempo inverse direct AC50 manual page 117...
Page 118 Process variable + PV.BND - PV.BND Power + PW.BND Average power - PW.BND Power alarm The alarm is reset and the reference power is refreshed only at power-on or after a change of the SSP setpoint. AC50 manual page 118...
Page 119: Retransmission Output
Soft-Start function slices power based on after every controller power-on. the percentage of time lapsed since controller power-on The Soft-Start action is reset in Automatic-Manual switching. compared to the time set in the parameter SOFT.T AC50 manual page 119...
Page 120: Tuning
(relay, solid-state, Triac) control output, with automatic cal- For more information on tuning actions, contact SSI culation of optimal cycle time CY.TIM. Customer Care.
Page 121 C.PB = Proportional cooling band • SP = heating setpoint High Output • H.PB = Proportional heating band Zero Output Output A: Start of Autotune B: End of Autotune Example with SP-PV deviation less than 0.3% f.s. dual heat/cool action AC50 manual page 121...
Page 122 • the secondary loop lets the primary controller act • C.PB = 12.5 precisely on the flow of material or energy. • C.IT = 4.00 • C.DT = 1.00 AC50 manual page 122...
Page 123 Enable the remote setpoint (parameter SP.REM on MODE menu = On). • Configure the auxiliary input function (FUNC in INPUT.2) or the auxiliary input 2 function (FUNC in INPUT.3) as the reference for the ratio controller for PID.1. AC50 manual page 123...
Page 124: Multiset, Setpoint Gradient
(*) in case it is set to the setpoint gradient assumed equal to PV. With set gradient it reaches the Local/ Remote setpoint or the setpoint selected in case of Multiset function. Each change of setpoint is subject to a gradient: GRAD.I. for AC50 manual page 124...
Page 125: Slave Communication In Modbus Tcp
0x:00:00:00:00:00:00. • The INFO.E submenu and the ETHER submenu will not appear. If there are no errors, you will be able to obtain network con- nection status by accessing the parameters in the INFO.E submenu. AC50 manual page 125...
Page 126 Calendar on different devices, each of which is connected devices with higher response times. with the same NTP server, all refer to the same basic time. This delay will affect all communications, data scan time via Modbus. AC50 manual page 126...
Page 127: Instrument Menu Setup
The corresponding variables may be viewed in the EXPERT menu under the “Enable Menu” group. AC50 manual page 127...
Page 128: Protection Of Controller Configuration Via Superset By Password
• Configuration of parameters displayed in the on-board configuration menu Access to the controller’s parameters via a generic Modbus client (either RTU or TCP) will not be affected in any way by setting a password other than the default. AC50 manual page 128...
Page 129 Use of a character other than those listed above, or a sequence of permitted characters shorter than the minimum length, will make the password unacceptable and cause an error message to ap- pear in the password setting dialogue box when you press “OK”. AC50 manual page 129...
Page 130 This condition will persist even if the user connects to a controller at a later date. To exit this mode it will be necessary to close the current session of the SuperSET configurator and start a new one. AC50 manual page 130...
Page 131: Programming With Pc
SXGA (1280 x 1024 www.Supersystems.com. (1024 x 768 pixel) pixel) or higher Browser Microsoft Internet Microsoft Internet Explorer 8.0 Explorer 9.0 or higher Ethernet port 1 RJ45 1 RJ45 USB port 1 USB 2.0 1 USB 2.0 AC50 manual page 131...
Page 132: Operator Guide
SV displays the setpoint value (if dS.Sp = setp); Press the key to save the SP value; otherwise, the set • AC50 will also display the control output value (if dS.F value is saved about 3 seconds after the last change = OUT.P); •...
Page 133: Errors During Operation
Sensor broken or input values above maximum limit. • a scrolling message with errors detected, on display F. The most common error messages are: Process variable is below minimum scale limit (parameter LO.SCL on I.MAIN). High Process variable is above maximum scale limit AC50 manual page 133...
Page 134: Configuration (User Menu)
1. If the user changes the User Menu configuration while the controller is working in this menu (i.e., the display is showing one of the User Menu parameters), the switch to Home.1 is automatically forced. AC50 manual page 134...
Page 135: Replacing The Gasket
MAINTENANCE Attention! The controller must be repaired only by technicians trained and authorized by SSi. Any attempt by unauthori- zed personnel to repair or change the hardware characteristics of the controller will void the warranty. 8.1. Replacing the controller The instrument (display + electronic circuits) can be replaced without having to remove the entire controller from the panel and disconnect its cables.
Page 136: Technical Data
Indication of process variable and setpoint: 0...100% f.s. Inputs/outputs state signal Number: 8 inputs, 8 outputs (only with option) Color: green for inputs, red for outputs Control via FB outputs Keys number: 6, silicone (A/M, FUN, TST, INC, DEC, MEN) KEYPAD Type: mechanical AC50 manual page 136...
Page 137 4…20mA, 0…20mA, 10V, 5V, 1V, 60mV, potentiometer • Reading accuracy: ±0.1% of value read This SSi controller, when subjected to the necessary calibration operations in the field, is suitable for use in Nadcap applications for any class of oven, from 1 to 6, according to specification AMS2750E, paragraph 3.3.1.
Page 138 Max. current: 5A (at ambient temperature up to 45 ° C for certifica- tion UL), 250VAC / 30VDC, cos =1 Max. current for each common: 5 A Number of operations: > 600,000 @ 2A load current Double isolation Installation of an external R-C suppressor (“snubber”) is recom- mended AC50 manual page 138...
Page 139 Short circuit or open circuit (LBA alarm) DIAGNOSTIC Interrupted or partially interrupted load (HB alarm) Short circuit of control output (SSR alarm) Type FRAM RETENTIVE MEMORY Writes Number max: > 10 cycles Retention: > 10 years AC50 manual page 139...
Page 140 Conforms to Directive 2014/35/EU norme EN 61010-1 Generals This SSi controller, when subjected to the necessary cali- bration operations in the field, is suitable for use in Nadcap applications for any class of oven, from 1 to 6, according to specification AMS2750E, paragraph 3.3.1.
Page 141: Warranty
The Limited Warranty applies to new Super Systems Inc. (SSI) products purchased direct from SSI or from an authorized SSI dealer by the original purchaser for normal use. SSI warrants that a covered product is free from defects in materials and workmanship, with the exceptions stated below.
Page 142: Revision History
11. REVISION HISTORY Description Date MCO # New Manual 7/31/2023 2339 AC50 manual page 142...

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