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FE PXR4 Operation Manual

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C1
C2
AL1
PV
SV
SEL
PXR
1.800.561.8187
°C
Micro-controller X
AL2
AL3
Model: PXR4/5/7/9
Operation Manual
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information@itm.com
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ECNO:406f

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Summary of Contents for FE PXR4

  • Page 1 °C Micro-controller X Model: PXR4/5/7/9 Operation Manual 1.800.561.8187 information@itm.com www. .com ECNO:406f...

  • Page 2: Table Of Contents

    Table of Contents 1. Part Names and Functions ............6 2. Operations ................. 7 2-1 Parameter list ..................7 2-2 Basic operations ................12 2-3 Parameter functions and method of settings ........14 Manual mode setting ....................15 Standby setting ......................16 Local/remote operation setting ..................
  • Page 3 Specifying control action and output direction at input burn-out ........ 53 SV (Setting value) lower limiter .................. 54 SV (Setting value) upper limiter ................. 54 The time of ON-delay alarm or timer function ............55 Displaying current detector input ................57 HB (Set value of heater break alarm) ................
  • Page 4 Note 1: Cannot be combined with heater break alarm. ( 2, 3, 6, 7, H cannot be specified on 9th digit.) Note 2: In case of the combination 9th digit code: 3, 7, F, G, H, M or P and PXR4 the following installation condition are required.
  • Page 5 PXR5/9 4 5 6 7 8 9 10 11 12 13 Specification Note Digit <Front dimensions> 48 X 96mm 96 X 96mm <Input signal> Thermocouple °C Thermocouple °F °C Resistance bulb Pt100 3-wire type °F Resistance bulb Pt100 3-wire type 1 to 5V DC 4 to 20mA DC <Control output 1>...

  • Page 6: Part Names And Functions

    Part Names and Functions This chapter explains the part names and functions on the face panel. The face panel has the PV and SV displays, the status indicating lamp, and the setting keys, etc. Those functions are explained below. Please read and understand them before using the PXR.

  • Page 7: Operations

    Operations This chapter explains how to set the SV (Setting value) and the parameters for the PXR. 2-1 Parameter list Parameters for the PXR are classified into operation parameters, and the first block, the second block and the third block parameters according to the frequency of use.
  • Page 8 Note: The parameters for which * is marked with the page number in Parameters of the second block Reference page are related to Remedies of “4” on page 79. Setting range and factory Parameter User’s Parameter Reference Description Parameter name default setting (*) display symbol set value...
  • Page 9 Note: The parameters for which * is marked with the page number in Reference page are related to Remedies of “4” on page 79. Setting range and factory Parameter User’s Parameter Reference Description Parameter name default setting (*) display symbol set value mask DSP page...
  • Page 10 Note: The parameters for which * is marked with the page number in Parameters of the third block Reference page are related to Remedies of “4” on page 79 Setting range and factory Parameter User’s Parameter Reference Description Parameter name default setting (*) display symbol set value...
  • Page 11 Note: The parameters for which * is marked with the page number in Reference page are related to Remedies of “4” on page 79. Parameter Setting range and factory User’s Parameter Reference Description Parameter name display symbol default setting (*) set value mask DSP page...

  • Page 12: 2-2 Basic Operations

    2-2 Basic operations Just after power-on: The display below appears just after power-on. °C °C Status at delivery <In Auto mode> <In Manual mode> How to switch parameters: The figure below shows the basic operations for the PXR. Setting parameters Just after power-on (PV/SV displayed) °C...
  • Page 13 Just after power-on Setting parameters (PV/MV displayed) (PV/SV displayed) °C °C Not operated for 30 seconds. Changes MV. Changes SV. (approx. (approx. (approx. 1 second) 3 seconds) 5 seconds) Parameters of the Parameters of the Parameters of the first block second block third block Pressing and holding the...

  • Page 14: 2-3 Parameter Functions And Method Of Settings

    2-3 Parameter functions and method of settings Method of setting the SV (Setting value) [Description] Related parameters: (page 54) • The SV is a target value for control. • Any SV that is outside of the range set in the parameters (page 54) (lower limit) and (upper limit) of the...

  • Page 15: Manual Mode Setting

    Manual mode setting (Settings: oFF/on) [Description] • The operation output set value during Auto/Manual • This parameter switches the control mode between Auto operation mode and manual mode is stored in non-volatile and Manual. memory. It is kept stored even if a power interruption •...

  • Page 16: Standby Setting

    Standby setting (Settings: oFF/on) [Description] • This parameter switches the control between RUN and • When the standby is set to ON during the auto-tuning, Standby. self-tuning, and ramp-soak operations, those operations • During standby, the control output and the alarm output will stop.

  • Page 17: Local/Remote Operation Setting

    Local/remote operation setting (Setting range: LoCL/rEM) (Option) [Description] • This parameter is used to switch between local and re- mote operations. * Local operation: Control by SV set by the keys on the Set value Operation front face, ramp-soak operation, SV Performs local operation.

  • Page 18: Ramp-Soak Control

    Ramp-soak control (Settings: oFF/rUn/hLd) (Option) [Description] • This function automatically changes the SV (Setting Up to SV-8 value) according to the program pattern set in advance as shown in the right line graph. Up to eight pairs of ramp- SV-3 soak operation can be programmed.

  • Page 19: Canceling The Alarm Latch

    Canceling the alarm latch (Setting range: 0/1) (Option) [Description] • This parameter cancels the alarm latch when it is latching. Related parameters: (page 60) [Setting example] Opening up the alarm latch Display Operating procedure Press and hold the key for one second. will be displayed on the PV display.

  • Page 20: Auto-Tuning Function

    Auto-tuning function (Settings: 0/1/2) [Description] [Note] • There are two codes for AT: If the controller is powered off during auto-tuning, this Setting code [1]: SV standard type makes the auto-tuning ineffective with each parameter Performs the auto-tuning based on the SV. of , , and unchanged.

  • Page 21: Displaying On-Delay Alarm Or The Remaining Time Of Timers

    Displaying ON-delay alarm or the remaining time of timers (unit: seconds) (Option) [Description] • These parameters display the remaining time of Timers • display parameter 1, 2 and 3. • The remaining time of the ON/OFF-delay timer is counted down. When the counter shows , the alarm relay is Remaining time (seconds) closed.

  • Page 22: Setting Alarm 1, 2 And 3

    Setting alarm (Setting range: 1, 2 and 3 Absolute value alarm: 0 to 100%FS Upper limit of alarm 1, 2 and 3 Deviation value alarm: -100 to 100%FS ) Lower limit of (Option) alarm 1,2 and 3 [Description] • These parameters are used to for settings of alarm 1, 2 [Note] and 3.

  • Page 23: Key Lock

    Key lock (Setting range: 0−5) [Description] • There are six levels of the key lock: • This parameter makes the set values of parameters : Unlocked (reset) unchangeable. However, the parameter name and the set : All settings are unchangeable from the controller, but values can be displayed.

  • Page 24: Proportional Band

    Proportional band (Setting range: 0.0 to 999.9% of the measured range) [Description] • To select the ON/OFF control (two-position control), set • Set the hysteresis of the ON/OFF control (two-position to 0.0. It is not necessary to set and . control) in the parameter •...

  • Page 25: Integral Time

    Integral time (Setting range: 0 to 3200 seconds) [Description] • When is set to 0, the integral operation does not start. • can be set automatically by the auto-tuning operation. • When is set to 0.0, this makes the setting of ineffec- •...

  • Page 26: Derivative Time

    Derivative time (Setting range: 0.0 to 999.9 seconds) [Description] • When is set to 0, the differential operation does not start. • can be set automatically by the auto-tuning operation. • When is set to 0.0, this makes the setting of ineffective.

  • Page 27: Hysteresis Range For On/Off Control

    Hysteresis range for ON/OFF control (Setting range: 0 to 50%FS) [Description] [Ex] Input Thermocouple K : At measured range of 0 • To select the ON/OFF control (two-position control), set to 400 °C, the setting to 0.0. It is not necessary to set range is 0 to 200 °C.

  • Page 28: Cooling-Side Proportional Band Coefficient

    Cooling-side proportional band coefficient (Option: Available for DUAL output only) (Setting range: 0.0 to 100.0) [Description] • This parameter is used for setting the cooling-side pro- • When is set to 0.0 and is set to 0.0 in the dual portional band.

  • Page 29: Cooling-Side Proportional Band Shift (Dead Band/Overlap Band)

    Cooling-side proportional band shift (Dead band/Overlap band) (Option: Available for DUAL output only) (Setting range: -50.0 to +50.0) [Description] • When is a positive value, it is called the “Dead band”, • This parameter is used for shifting the cooling-side pro- and when it is a negative value, the “Overlap band”.

  • Page 30: Output Offset Value

    Output offset value (Setting range: -100.0 to 100.0 %) Anti-reset windup (Setting range: 0 to 100%FS) [Description] • The anti-reset windup ( ) is automatically set to an optimum value by the auto-tuning operation. In this range, the integral operation is not performed. By setting , the amount of overshoot can be adjusted.

  • Page 31: Control Algorithm

    Control algorithm (Settings: PID/FUZY/SELF) [Description] • For the ON/OFF control (Two-position control), select • This parameter is used for selecting PID control, FUZZY- the PID control and then set to 0.0. For detailed infor- PID control, or PID control with self-tuning. mation, refer to (page 24).
  • Page 32 [Self-tuning] 1 Function: With the self-tuning function, PID parameters are automatically re-optimised depending on the actual condition of device to be controlled and the setting temperature (SV). 2 How to execute: Follow the procedure shown below to set and execute the self-tuning. The self-tuning starts to run at the appropriate conditions.
  • Page 33 3 Conditions under which the self-tuning runs: q At power-on: The self-tuning runs when all of the following conditions are met. • The SV that appears at power-on is not the same one when the , and were set previously. (i.e. the , and set by the self-tuning, auto-tuning, manual setting, and writing by communications tools at previous time)
  • Page 34 7 Reference [About the self-tuning method] The PID constant is calculated in one of the following two methods. The method is selected automatically depending on the characteristics of the device to be controlled. • Step response method • Limit cycle method The following figures show the operations at power-on and changing the SV, and under unstable control.

  • Page 35: Pv (Measured Value) Stable Range

    PV (Measured value) stable range (Setting range: 0 to 100%FS) [Description] • Self-tuning logic recognizes that control is stable if PV is • It is not necessary to set this parameter under normal con- staying within the SV ± ditions. [Setting example] Changing the PV stable range from 2 to 3 Display Operating procedure...

  • Page 36: Hys (Hysteresis) Mode At On/Off Control

    HYS (Hysteresis) mode at ON/OFF control (Settings: oFF/on) [Description] • This parameter is used for selecting the hysteresis opera- onoF : OFF onoF : ON tion mode at ON/OFF control. Starts the ON/OFF control at the values of and SV- Starts the ON/OFF control at the values of SV and SV+HYS, or SV and SV-HYS.

  • Page 37: Cycle Time Of Control Output 1

    Cycle time of control output 1 (Setting range: 1 to 150 seconds) [Description] For contact output: • This parameter is applicable for to the contact output and SSR-driving output. The higher the frequency of output is, the more precise • While input is within the proportional band, output the control becomes.

  • Page 38: Cycle Time Of Control Output 2 (Cooling-Side)

    Cycle time of control output 2 (Cooling-side) (Setting range: 1 to 150 seconds) (Option: Available for DUAL output only) [Description] For contact output: • By this parameter is set, the cycle time of control output 2. The higher the frequency of output is, the more precise •...

  • Page 39: Input Signal Code

    • For type II, to change from the voltage input to the cur- • R rent input, connect the supplied resistance of 250Ω be- • B tween terminals !7 and !8 (in the case of PXR4), and • S between terminals #5 and #6 (in the case of PXR5/9), in • T addition to changing the code.

  • Page 40: Setting The Measuring Range (Input Range)

    * For 4 to 20mA DC input, connect the supplied resistance of 250Ω between terminals !7 and !8 (in the case of PXR4), and between terminals #5 and #6 (in the case of PXR5/9) to change to the 1 to 5V DC input.
  • Page 41 [Setting example] Changing the measuring range from 0°C to 150°C to -100°C to 200°C (Pt100) Display Operating procedure Press and hold the key for three seconds. will be displayed on the PV display. Press the key to display Press the key once.

  • Page 42: Decimal Point Position

    Decimal point position (Settings: 0 / 1 / 2) [Description] • This parameter is used for selecting the number of decimal Related parameters: (page 40) point positions for the PV (Measured value). (page 40) “0” (No digit after decimal point) “1”...

  • Page 43: Pv (Measured Value) Offset

    PV (Measured value) offset (Setting range: -10 to 10%FS) [Description] • With this function, predetermined value is added to the in- • The PXR operates at the displayed PV (the value to which the PV offset value is added). put reading. This parameter is used for adjusting PXR’s indication so that it becomes same as the one of the other instruments like recorder.

  • Page 44: Sv (Setting Value) Offset

    SV (Setting value) offset (Setting range: -50 to 50%FS) [Description] • With this function, predetermined value is added to the origi- • Alarm judgment is made by the displayed SV to which nal SV. This parameter is used to eliminate the offset that the SV offset value is not added.

  • Page 45: Time Constant Of Input Filter

    Time constant of input filter (Setting range: 0.0 to 900.0 seconds) [Description] • This parameter are used for reducing the fluctuation of Input input signal (filter function). Control output filter For example, when the input filter constant is set to 5 seconds, the PV changes as shown in right figure while input changes from 0 to 100% suddenly.

  • Page 46: Alarm Types

    Alarm types (Setting range: 0 to 34) (Option) [Description] • These parameters are used for selecting the operation types [Note] of Alarms 1, 2 and 3. • Since the alarm set value may change after changing the • is activated in the same way as alarm operation types, be sure to set the alarm set value except for codes 12 to 15.
  • Page 47 [Alarm type list] The table below shows the meaning of symbols in the following operation figures. Alarm 1 Alarm 2 Alarm 3 Display Display Display Screen name Screen name Screen name Alarm type symbol symbol symbol Set value of Alarm 1 Set value of Alarm 2 Set value of Alarm 3 0 to 15...
  • Page 48 • Alarm codes with dual set values Alarm type Operation figure ALM1 ALM3 ALM1 ALM2 ALM3 Alarm type Operation figure ALM2 Range upper Upper and Upper Range and lower limits lower limits alarm An-L An-H An-L An-H absolute value absolute value lower An-L An-H...

  • Page 49: Selecting Ramp-Soak Patterns

    Selecting ramp-soak patterns (Settings: 1 / 2 / 3) (Option) [Description] • This parameter becomes effective when the ramp-soak [Note] operation is changed from • This parameter is not effective if it is changed during RUN • Setting range or HOLD. •...

  • Page 50: Ramp-Soak Status Display

    Ramp-soak status display (Display only) 1st to 8th target SV (Setting range: ) (Option) 1st to 8th ramp segment time (Setting range: 0 to 99h 59min) (Option) 1st to 8th soak segment time (Setting range: 0 to 99h 59min) (Option) Ramp-soak modes (Setting range: 0 to 15) (Option) [Description] •...
  • Page 51 Parameter Factory Name Remark Description display symbol default settings Current program Displays the Ramp-soak current status. STAT status This parameter is only for display, and cannot set anything. : OFF : Under the 1st to 8th ramp operation : Under the 1st to 8th soak operation : Ends the program symbol appears...
  • Page 52 • The segment in which both the ramp time and soak time are set to “0” is skipped. [Ex] SV-1: 50 SV-2:200 SV-3:100 TM1r:0.10 TM2r:0.00 TM3r:1.00 TM1r TM1S TM3r TM3S TM1S:0.05 TM2S:0.00 TM3S:0.75 • The SV limit function is valid even while the ramp-soak Pattern of the program operation is running.

  • Page 53: Specifying Control Action And Output Direction At Input Burn-Out

    Specifying control action, and output direction at input burn-out (Setting range: 0 to 19) [Description] • This parameter specifies action (Single/Dual and Heating/ • Control operation code table Cooling), and output direction at input burn-out. Control action Burn-out output* Code Model •...

  • Page 54: Sv (Setting Value) Lower Limiter

    SV (Setting value) lower limiter (Setting range: 0 to 100%FS) SV (Setting value) upper limiter (Setting range: 0 to 100%FS) [Description] • These parameters set the setting range of the SV (Setting [Note] value). • Before setting the parameters of , be sure •...

  • Page 55: The Time Of On-Delay Alarm Or Timer Function

    The time of ON-delay alarm or timer function (Setting range: 0 to 9999 seconds) [Description] • The timer display function shows the remaining time of ON-delay alarm timers 1, 2 and 3. • With this function, the alarm relay is closed after the pre- determined delay time.
  • Page 56 [Setting example] Setting the delay time for ON-delay alarm to 30 seconds Display Operating procedure Press and hold the key for five seconds. will be displayed on the PV display. Press the key to display Press the key once. The current setting ( ) flashes on the SV display. Press the keys to display Press the...

  • Page 57: Displaying Current Detector Input

    Related parameter: (page 37) not be used. • How to connect the current transformer • Connection example for the alarm for heater break (PXR4 model) (CT) for heater break: Power 100 to 240 V AC 50 / 60 Hz Connect these...
  • Page 58 • Connection example for the alarm for heater break (PXR5/9 model) Power 100 to 240 V AC 50 / 60 Hz PXR5/9 Power Control output (t) (y) e r #5 #6 Output of the heater break alarm Magnetic switch Current detector Thermocouple Heater Electric furnace...

  • Page 59: Hysteresis Alarm 1, 2 And 3

    Hysteresis of alarm 1, 2 and 3 (Setting range: 0 to 50% FS) (Option) [Description] • The alarm is detected in the two-position operation (ON/ • Hysteresis can be set for each alarm. OFF). The hysteresis means the difference between the input at ON and the input at OFF.

  • Page 60: Options Of Alarm 1, 2 And 3

    Options of alarm 1, 2 and 3 (Setting range: 000 to 111) (Option) [Description] • These parameters are used to switch ON/OFF of the alarm • The de-energized output alarm function is used for ener- latch, the error satus alarm, and the de-energized output gizing or de-energizing the alarm relay to be closed.
  • Page 61 [Setting example] Setting the error status alarm function for Alarm 2 to ON Display Operating procedure Press and hold the key for five seconds. will be displayed on the PV display. Press the key to display Press the key once. The current setting ( ) flashes on the SV display.

  • Page 62: Upper And Lower Limits For Control Output 1

    Upper and lower limits for control output 1 (Setting range: -3.0 to 103.0%) Upper and lower limits for control output 2 (Setting range: -3.0 to 103.0%) (Option) [Description] • These parameters set the limit value of output. Upper limit Lower limit 30 (seconds) OUT1 PHC1...

  • Page 63: Output Limit Types

    Output limit types (Setting range: 0 to 15) [Description] • This parameter sets whether or not to maintain the value Output 1 Output 2 within the limit when the output value increases up to the PCUT Upper limit Lower limit Upper limit Lower limit limit set value.

  • Page 64: Output Value Display

    Output value display (Display only: -3.0 to 103.0%) [Description] • These parameters display the output values of outputs 1 and 2 in the unit of %. (Since the values are calculated with the software, they may have some error comparing to the actual output.) [Setting example] Confirming the output value (the calculated value) of control output 1 Display...

  • Page 65: Rcj (Cold Junction Compensation)

    RCJ (Cold junction compensation) (Setting range: ON/OFF) [Description] • Set this parameter to OFF under the conditions that the • This parameter sets whether or not to perform the RCJ RCJ is not needed, such as when the RCJ is performed (Cold junction compensation) for the thermocouple in- outside of the PXR or when the temperature deviations put.

  • Page 66: Adjusting The Pv (Measured Value) Display (0%)

    Adjusting the PV (Measured value) display (0%) (Setting range: -50 to 50% FS) Adjusting the PV (Measured value) display (100%) (Setting range: -50 to 50% FS) [Description] • The user-definable functions are independent of the adjust- Return the parameter of to ON.

  • Page 67: Di1/2 (Digital Input 1/2) Operation

    DI operation (Setting range: 0 to 12) (Option) [Description] • The ramp-soak operation can be also switched between • Select each DI function with (DI set- RUN/RESET manually. ting parameter) and set the DI to ON to activate the func- •...
  • Page 68 Starting the auto-tuning (DI functions 3, 4) • These functions can switch the start/stop of the auto- tuning. DI function DI ON edge DI OFF edge AT (Standard) AT start AT cancel AT (Low PV) Cancel the alarm latch (DI functions 5 to 8) •...
  • Page 69 [Setting example] Changing the SV (Front SV) to SV1 Display Operating procedure Press and hold the key for five seconds. PV indication will be displayed. Press the key to display Press the key once. The current setting ( ) will be displayed. Press the keys to flicker and to display .

  • Page 70: Station No. For Communication

    Station No. for communication (Setting range: 0 to 255) [Description] • Do not set the same number as other Micro-controllers. • See Communication function instruction manual for details. [Setting example] Setting the station No. to “123” Display Operating procedure Press and hold the key for five seconds.

  • Page 71: Parity For Communication

    Parity for communication (Setting range: 0 to 2) [Description] • This parameter sets the parity for communications. The baud rate is fixed at 9600bps. : Odd parity : Even parity : No parity [Setting example] Setting the even parity Display Operating procedure Press and hold the key for five seconds.

  • Page 72: Communication Protocol Setting

    Communication protocol setting (Setting range: 0 to 1) (Option) [Description] • This parameter is used to switch communication protocols. Set value Output type Modbus (RTU) protocol Z-ASCII protocol * See the following communication specifications for details of each protocol. • Instruction manual for Micro Controller X communication functions (RS485 MODBUS) ...INP-TN512642-E •...

  • Page 73: Re-Transmission Output Type Setting

    Re-transmission output type setting (Setting range: 0 to 3) (Option) [Description] • This parameter is used to set the retransmission output type. The means of the set values are as shown below. Set value Output type Related parameters: (page 74) (page 74) [Setting example] Changing the retransmission output type from the process value (PV) to the set value (SV)

  • Page 74: Re-Transmission Base And Span Scale

    Re-transmission base scale (Setting range: -100.0 to 100.0%) (Option) Re-transmission span scale (Setting range: -100.0 to 100.0%) (Option) [Description] • The retransmission base scale and span scale can be set • When the value of retransmission output (example: SV) as shown below. Unit for the setting is %. becomes equal to the set value of Ao-L, the retransmis- sion output becomes 0% (output).

  • Page 75: Remote Sv Input (0%) Adjustment

    Remote SV input (0%) adjustment (Setting range: -50 to 50% FS) (Option) Remote SV input (100%) adjustment (Setting range: -50 to 50% FS) [Description] * These parameters are used to correct the deviation of remote SV input. By setting 0 to the parameters, the status at the time of delivery from the factory can be restored. 1.

  • Page 76: Remote Sv Input Filter Constant

    Remote SV input filter constant (Setting range: 0.0 to 900.0 seconds) [Description] • This parameter is used to make the input signal fluctua- Remote SV input tion range smaller (filtering function). Input Control output filter Suppose that the input filter constant is set to 5 seconds. If the input is suddenly changed from 0 to 100%, the PV display gradually changes as shown in the figure on the Remote SV input...

  • Page 77: Remote Sv Input Value Display

    Remote SV input value display (Display only: -1999 to 9999) (Option) [Description] • These parameters are used to correct the deviation of remote SV input. (The value obtained by calculations for remote SV input filter and remote SV input adjustment is displayed as display value.) [Setting example] Checking the remote SV input value...

  • Page 78: Parameter Display Mask

    Parameter display mask (Setting range: 0 to 255) [Description] • “Parameter mask DSP” in “2-1 Parameter list” (pages 7 • This parameter skips the parameter display by items. to 11) shows which parameter is skipped by setting • This parameter is used not to display the items that are not used, or not to change the settings mistakenly.

  • Page 79: Troubleshooting

    Troubleshooting This section explains the judgments and remedies for problems. Reference Symptoms Possible causes Remedies pages q The setting of 1. The display has shown is not correct for Set the parameter of correctly. Page 39 the input signals of sensors or others. w The polarity of the sensor does not match Correct the polarity of the sensor and the PXR.
  • Page 80 Reference Symptoms Possible causes Remedies pages 8. Response is too slow. (The mea- Decrease the set value of the parameter of Page 45 Input filter constant is too large. sured value changes slowly.) q Some input terminals are short-circuited. 9. Output changes be- Remove the short-circuited terminals.

  • Page 81: Index

    Index Adjusting the PV display (0%) ............. 66 Parameter display mask ..............78 Adjusting the PV display (100%) ..........66 Parameter functions and method of settings ......... 14 Alarm codes .................. 47 Parameter list ................7 Alarm types .................. 46 Parity for communication .............
  • Page 82 Memo 1.800.561.8187 information@itm.com www. .com...
  • Page 83 Safety Precaution ● Before using the PXR, read the “Instruction Manual” or consult with your local distributor or Fuji Electric for safety purpose. ● The uses and places for some of equipment described in this manual are limited. Some devices need regular inspec- tions.

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