Mitsubishi Electric MELSEC FX5-8AD Manual
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Mitsubishi Electric MELSEC FX5-8AD Manual

Mitsubishi Electric MELSEC FX5-8AD Manual

Multiple input module
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PART 3
Part 3 describes the multiple input module.
3 FX5-8AD
MULTIPLE INPUT
MODULE
335

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Summary of Contents for Mitsubishi Electric MELSEC FX5-8AD

  • Page 1 PART 3 MULTIPLE INPUT MODULE Part 3 describes the multiple input module. 3 FX5-8AD...

  • Page 2: General Specifications

    FX5-8AD Overview FX5-8AD multiple input module can convert 8 points of analog input values (voltage input, current input, thermocouple and resistance temperature detector) into digital values. It is added to FX5 CPU module, and is possible to capture voltage/current/thermocouple/resistance temperature detector data of 8 channels.

  • Page 3: Performance Specifications

    Performance specifications The following table lists the performance specifications. Items Specifications Number of input points 8 points (8 channels) Conversion speed Voltage/Current 1 ms/ch Thermocouple/ 40 ms/ch Resistance temperature detector Isolation method Between input terminal Photocoupler and PLC Between input terminal Non-isolation and channels Number of occupied I/O points...
  • Page 4 Thermocouple input specifications Items Specifications Usable thermocouple K, J, T, B, R, S Resolution K, J, T: 0.1 (0.1 to 0.2) B, R, S: 0.1 to 0.3 (0.1 to 0.6) Temperature measuring range K: -200 to +1200 (-328.0 to +2192.0) J: -40 to +750...

  • Page 5: Offset Value

    Input conversion characteristics The input conversion characteristics of A/D conversion are expressed by the slope of the straight line connecting the offset value and the gain value, both of which are used when an analog signal (voltage or current) from outside the programmable controller is converted to the corresponding digital output value.

  • Page 6: Current Input Characteristics

    • Set values within the practical range of the analog input and the digital output at each input range. If the range is exceeded, the resolution and accuracy may not fall within the range of the performance specifications. (Do not use the values in the dotted line region in the graph of voltage input characteristics.) •...
  • Page 7 Accuracy The following shows the accuracy of a multiple input module. Accuracy at voltage/current input The accuracy of A/D conversion is the accuracy for the full scale of digital output value. The fluctuation range varies as follows depending on ambient temperature and input range. Analog input range Ambient temperature 255...
  • Page 8 Accuracy at thermocouple connection The accuracy () is given by the following formula: Full scale  Thermocouple accuracy + Cold junction compensation accuracy Accuracy when B thermocouple is used, the operating ambient temperature is 25, and measured temperature is 1000 (1700...

  • Page 9: Part Names

    Part names This section describes the names of each part of the multiple input module. 2-φ4.5 mounting holes [10] Name Description Terminal block (Spring clamp terminal Use for the current/voltage and temperature sensor input. block) Expansion cable Cable for connecting the module when adding the multiple input module. Direct mounting hole Screw holes (2-4.5, mounting screw: M4 screw) for direct installation.

  • Page 10: Procedures Before Operation

    Procedures Before Operation This section describes the procedures before operation. Check of multiple input module specifications Check the multiple input module specifications. (Page 336 Specifications) Installation of multiple input module Install a multiple input module to a CPU module. For details, refer to the following. MELSEC iQ-F FX5UJ User's Manual (Hardware) MELSEC iQ-F FX5U User's Manual (Hardware) MELSEC iQ-F FX5UC User's Manual (Hardware)

  • Page 11: Function List

    Function list This section lists the functions of multiple input module. Item Description Reference Operation mode Select the operation mode (normal mode, 2CH conversion mode, offset/gain setting Page 347 mode) of the multiple input module. Input type/Range setting function Input type, and input range can be checked for each channel. Disabling the conversion on Page 348 unused channels reduces the conversion cycles.

  • Page 12: Processing Of Each Function

    Processing of each function The functions are processed in the order shown below depending on the mode. If multiple functions are enabled, the output of the first processed function is used as the input of the next function. • Normal mode Disconnection CH...

  • Page 13: Operation Mode

    Digital output value The digital values after the sampling processing or each average processing are stored. Logging data When the logging function is used, digital output values or digital operation values are collected. Maximum value/Minimum value The maximum and minimum values of the digital operation values are stored. Digital operation value These values are obtained by operating a digital output value using the digital clipping function, scaling function, and shift function.

  • Page 14: Operation

    Input type/range setting function The Input type/Range setting can be selected for each channel according to the type of sensor to be connected. Operation The analog input value is A/D converted or temperature converted by the set input type, input range, or Input type/Range setting (offset/gain setting), and the value is stored in the following area.

  • Page 15: Conversion Method

    Conversion method This function sets the A/D conversion or temperature conversion method for each channel. The conversion speed is 1 ms when the input range is current and voltage, 40 ms in the case of resistance temperature detector and thermocouple. A/D conversion or temperature conversion is performed asynchronously.

  • Page 16: Averaging Processing

    Averaging processing Averaging processing is performed for analog input value or temperature input value for each channel. Averaged values are stored as digital output values and digital operation values. The following three types of averaging processing are provided. • Time average •...
  • Page 17 ■Count average A multiple input module executes the conversion for a set number of times and averages the total value excluding the maximum value and the minimum value. The averaged value is stored in the digital output value and the digital operation value.

  • Page 18: Average Processing

    Setting procedure ■Sampling processing Set "Average processing setting" to "Sampling processing". [Navigation window]  [Parameter]  [Module Information]  Module model name  [Module Parameter]  [Basic setting]  [Conversion system] ■Average processing Set "Average processing setting" to "Time average", "Count average", or "Moving average". [Navigation window] ...

  • Page 19: Scaling Function

    Scaling function Performs scale conversion on digital output values within the range from a scaling upper limit value to a scaling lower limit value, both of which are set at desired values. The converted values are stored in 'CH1 Digital operation value' (Un\G402). Concept of scaling setting The concepts of each setting item are described below.
  • Page 20 Calculating the scaling value The scale value conversion is based on the following formula. (In scale conversion, values are rounded off to the nearest whole number.) The calculation formula for a scaling value varies depending on the input type/range. Input type/Range Relational expression Element •...
  • Page 21 Setting example ■Example 1 An example of the following settings is shown below. Item Setting Input type/range Voltage (-10 to +10 V) Scaling enable/disable setting Enable Scaling upper limit value 20000 Scaling lower limit value 4000 Input voltage and scaling value become as follows. +32000 Scaling upper limit value: 20000 Scaling lower limit value: 4000...

  • Page 22: Shift Function

    Shift function Adds (shifts) a set conversion value shift amount to a digital output value, and stores the result in the buffer memory area. A change in conversion value shift amount is reflected to the digital operation value in real time, which facilitates fine adjustment at system start-up.
  • Page 23 When the input characteristics is adjusted in a channel where the input range of -10 to +10 V is set by the shift function 'CH1 Digital output value' (Un\G400) (+52000) 'CH1 Conversion value shift amount' (Un\G472) "+20000" ↓ 'CH1 Digital operation value' (Un\G402) +32767 +32000 -12000...
  • Page 24 When the following values are used for multiple input module with the input range of 0 to 5 V Item Setting ‘CH1 Scaling enable/disable setting’ (Un\G504) Enable (0) ‘CH1 Scaling upper limit value’ (Un\G506) 12000 ‘CH1 Scaling lower limit value’ (Un\G508) 2000 ‘CH1 Conversion value shift amount’...

  • Page 25: Digital Clipping Function

    Digital clipping function Fixes a possible digital operation value to the maximum digital output value or the minimum digital output value when an input current or voltage exceeds the input range. List of output ranges The following table lists the output ranges of the digital operation values when the digital clipping function is enabled with each range.
  • Page 26 Setting example When the following values are used for multiple input module with the input range of 0 to 5 V Item Setting ‘CH1 Scaling enable/disable setting’ (Un\G504) Enable (0) ‘CH1 Scaling upper limit value’ (Un\G506) 12000 ‘CH1 Scaling lower limit value’ (Un\G508) 2000 ‘CH1 Conversion value shift amount’...

  • Page 27: Maximum Value/Minimum Value Hold Function

    Maximum value/minimum value hold function Stores the maximum and minimum values of digital operation values in the buffer memory area for each channel. Time average and count average are processed on the average processing cycle. The values of the sampling processing, and moving average are updated on the sampling cycle.

  • Page 28: Alert Output Function

    Alert output function This section describes process alarms and rate alarms used for the alert output function. Process alarm Outputs an alert when a digital operation value falls within the preset alert output range. Digital operation value Alert output range Out of alert output range Included Alert...
  • Page 29 [Operation after an alert was output] After an alert was output, if the digital operation value does not satisfy the alert output condition due to being smaller than 'CH1 Process alarm upper lower limit value' (Un\G516) or being greater than 'CH1 Process alarm lower upper limit value' (Un\G518), Normal (0) is stored in a bit corresponding to the channel of 'Alert output flag (Process alarm upper limit)' (Un\G36) or 'Alert output flag (Process alarm lower limit)' (Un\G37).

  • Page 30: Rate Alarm

    Rate alarm This function outputs an alert when the change rate of a digital output value is equal to or greater than the rate alarm upper limit value, or the rate is equal to or smaller than the rate alarm lower limit value. 'CH1 Digital output value' (Un\G400) Rate alarm alert...
  • Page 31 ■Operation [Operation performed when an alert is output] Digital output values are monitored on the rate alarm alert detection cycle. When a change rate of a digital output value (from a previous value) is equal to or more than the rate alarm upper limit value, or the rate is equal to or less than the rate alarm lower limit value, an alert is output as follows.
  • Page 32 ■Judgment of rate alarm The judgment of the rate alarm is judged by the following formula according to the rate alarm change rate selection and input type setting. • When the rate alarm change rate selection is "rate specification" Convert 'CH1 rate alarm upper limit value' (Un\G524) and 'CH1 rate alarm lower limit value' (Un\G526) to digit value for each rate alarm warning detection cycle value.
  • Page 33 ■Detection target for outputting an alert 'CH1 Digital output value' (Un\G400) is a target for outputting an alert. The target is the same for when the scaling function is enabled. ■Application examples of rate alarms A rate alarm serves to monitor that the variation of a digital output value lies in a limited range as shown below: •...
  • Page 34 ■Setting procedure Set "Warning output setting (Rate alarm)" to "Enable". [Navigation window]  [Parameter]  [Module Information]  Module model name  [Module Parameter]  [Application setting]  [Warning output function (Rate alarm)] Set the value to "Rate alarm change rate selection". Item Setting range Rate alarm change rate selection...

  • Page 35: Input Signal Error Detection Function

    Input signal error detection function Outputs an alarm when an analog input value exceeds the preset range. Only "Current" and "Voltage" are supported as input types. Detection range Out of detection range Analog input value Included Input signal error detection upper limit value CH2 Analog input value...

  • Page 36: Detection Method

    Detection method One of the following detection methods can be selected. Detection method Detection condition  0: Disable Input signal errors are not detected. 1: Upper and lower limit An input signal error is detected when the Analog input value detection analog input value is equal to or greater than the input signal error detection upper...
  • Page 37 ■Simple disconnection detection Outputs an alarm when an analog input value is 0.5 V or smaller or 2 mA or smaller. By the input range setting, simple disconnection detection is enabled. The simple broken wire detection is supported only in the "4 to 20 mA"...
  • Page 38 Clearing input signal errors One of the following methods for clearing input signal errors can be selected by setting 'Input signal error auto-clear enable/ disable setting' (Un\G304). ■When Input signal error auto-clear enable/disable setting is set to Enable (0) After the analog input value returns within the setting range, the multiple input module arranges the following status automatically.
  • Page 39 The following figure shows the operation when an analog input value falls below 2.4 mA and returns within the normal range under the following condition. Item Setting 'Input signal error auto-clear enable/disable setting' (Un\G304) Enable (0) Input range 4 to 20 mA 'CH1 Input signal error detection setting' (Un\G528) Upper and lower limit detection (1) 'CH2 Input signal error detection setting' (Un\G728)
  • Page 40 Setting the input signal error detection upper or lower limit value ■Input signal error detection upper limit value Set the input signal error detection upper limit value by 1 (0.1%) based on the input signal error detection upper limit set value. This value is calculated by adding "Analog input range width (Gain value - Offset value) ...
  • Page 41 Setting example ■Setting example of the input signal error detection In the channel where the following values are set, an input error is detected when an analog input value exceeds +10.235 V or falls below -10.24 V. Item Setting value Input range -10 to +10 V 'Input signal error auto-clear enable/disable setting' (Un\G304)

  • Page 42: Disconnection Detection Function

    Disconnection detection function This function detects disconnection of a thermocouple or resistance temperature detector. Notification of disconnection • Disconnection detection (1) is stored in a bit corresponding to the channel of 'Disconnection detection flag' (Un\G41). • 'Disconnection detection signal' (Un\G69, b6) turns on. •...
  • Page 43 Detection cycle Disconnection detection is executed every sampling cycle. Conversion setting at disconnection detection A value stored in 'CH1 Digital output value' (Un\G400) at the time of the disconnection detection can be specified by setting 'CH1 Conversion setting at disconnection detection' (Un\G534). This enables disconnection detection only by checking 'CH1 Digital output value' (Un\G400), without checking 'Disconnection detection signal' (Un\G69, b6).
  • Page 44 ■Any value At the time of the disconnection detection, a value set in 'CH1 Conversion setting value at disconnection detection' (Un\G532) is stored in 'CH1 Digital output value' (Un\G400). The default value of 'CH1 Conversion setting value at disconnection detection' (Un\G532) is 0. The value can be changed to any value although using 0 is no problem.

  • Page 45: Logging Function

    Logging function Logs (records) digital output values or digital operation values. 10000 points of data can be logged for each channel. Logging data are stored in the buffer memory area. In addition, the data collection can be stopped by using the status change of the data as a trigger.
  • Page 46 Operation of logging ■Starting logging data collection Logging data collection starts when Enable (0) is set in 'CH1 Logging enable/disable setting' (Un\G535) and 'Operating condition setting request' (Un\G70, b9) turns offonoff. The data in 'CH1 Digital output value' (Un\G400) or 'CH1 Digital operation value' (Un\G402) is stored in CH1 Logging data (Un\G10000 to Un\G19999) on the set logging cycle.
  • Page 47 Logging cycle ■Logging cycle setting Set the logging cycle with 'CH1 Logging cycle setting value' (Un\G537) and 'CH1 Logging cycle unit setting' (Un\G538). The following table lists the setting range for each cycle. Setting value of 'CH1 Logging cycle unit setting' (Un\G538) Setting range of 'CH1 Logging cycle setting value' (Un\G537) ms (1) •...
  • Page 48 ■When the logging function becomes disabled The logging is not performed when even one of the following errors occurs after the logging function is enabled and 'Operating condition setting request' (Un\G70, b9) is turned offonoff. • 'CH1 Time Average/Count Average/Moving Average' (Un\G502) setting error: Error code (192H to 194H) •...
  • Page 49 ■Head pointer and latest pointer The storage location of the oldest data and the latest data in CH1 Logging data (Un\G10000 to Un\G19999) can be checked with the following buffer memory areas. Buffer Memory Areas Description CH1 Head pointer (Un\G434) The buffer memory address of the oldest data in CH1 Logging data (Un\G10000 to Un\G19999) can be checked with this buffer memory area.

  • Page 50: Stopping The Logging Operation

    Stopping the logging operation Logging operation stops (holds) when the preset trigger condition is satisfied and the set points of the data are collected. A trigger that is generated when the condition is satisfied is called a hold trigger. To generate a hold trigger, the following two methods are available. Page 387 Logging hold request Page 388 Level trigger When a hold trigger is detected during data collection, the logging operation stops after the points of the data set in 'CH1 Post-...
  • Page 51 • Checking the trigger generation time The trigger generation time can be checked with 'CH1 Trigger generation time' (Un\G444 to Un\G448). When 'CH1 Trigger generation time' (Un\G444 to Un\G448) is monitored b8 b7 First two digits of the year Last two digits of the year 'CH1 Trigger generation time (First/Last two digits of the year)' (Un\G444) Month 'CH1 Trigger generation time (Month/Day)' (Un\G445)
  • Page 52 ■Resuming the logging It may take time until ON (1) is stored in 'CH1 Logging hold flag' (Un\G409) after 'CH1 Logging hold request' (Un\G471) is changed offon. To resume logging, check that ON (1) is stored in 'CH1 Logging hold flag' (Un\G409) and change 'CH1 Logging hold request' (Un\G471) onoff.

  • Page 53: Logging Hold Request

    Logging hold request A hold trigger is generated from a program at any timing. After ON (1) is set to 'CH1 Logging hold request' (Un\G471), a preset number of data is collected and then the logging stops. Controlled by the multiple input module 'CH1 Logging hold request' OFF(0) ON(1)

  • Page 54: Level Trigger

    Level trigger When a value in the monitored buffer memory area of multiple input module satisfies a preset condition, a hold trigger is generated. The level trigger is monitored at the conversion cycle. ■Initial setting of a level trigger [Setting a target to be monitored] As a condition to generate a hold trigger, set the buffer memory address to be monitored to 'CH1 Trigger data' (Un\G541).
  • Page 55 [Setting the monitoring condition] • Set a condition to generate a hold trigger in 'CH1 Level trigger condition setting' (Un\G540). Setting value Description 1: Level trigger (Condition: A hold trigger is generated under the Stored value of a buffer memory area to be monitored Rise) condition (a).
  • Page 56 ■Operation of a level trigger To use a level trigger, set ON (1) to 'CH1 Logging hold request' (Un\G471) in advance. At the point where ON (1) has been set to 'CH1 Logging hold request' (Un\G471), the module becomes the trigger condition wait status. After the trigger condition has been satisfied, and the set points of the data have been collected from that point, the logging stops.
  • Page 57 Initial settings of the logging function The following describes the initial setting procedure to use the logging function. ■Setting procedure Set the "Input type", and "Input range". [Navigation window]  [Parameter]  [Module Information]  Module model name  [Module Parameter]  [Basic setting] ...

  • Page 58: Error History Function

    Error history function This function records up to 16 errors and alarms that occurred in a multiple input module to store them in the buffer memory areas. Operation When an error occurs, the error code and error time are stored in order, beginning with Error history No. 1 (Un\G3600 to Un\G3609).
  • Page 59 When the third error occurs: The third error is stored in Error history No. 3, and the value 3620 (start address of Error history No. 3) is stored to Latest address of error history. 'Latest address of error history' (Un\G1): 3620 Un\G3600 Error history 1 1st error...
  • Page 60 When the 17th error occurs: The 17th error is stored in Error history No. 1, and the value 3600 (start address of Error history No. 1) is stored to Latest address of error history. 'Latest address of error history' (Un\G1): 3600 Latest Un\G3600 Error history 1...
  • Page 61 FX2N allocation mode function It is a function to operate the buffer memory areas of the multiple input module with the same layout as the buffer memory address equivalent to FX2N-8AD. This compatibility enables the reuse of programs that have proven performance on FX2N-8AD. Operation In FX2N allocation mode, only allocation of buffer memory area is changed.
  • Page 62 Setting procedure When adding a new module, select the module whose module model name has "(FX2N)" at the end. [Navigation window]  [Parameter]  [Module Information]  Right-click  [Add New Module] Configure the same parameter setting as the one of when the Normal mode is used. After writing the module parameter, turn offon or reset the CPU module.

  • Page 63: System Configuration

    Compatible functions The following functions can be used with the 2CH conversion mode. Settings used with other functions are invalid. Function Input type/Range setting function Voltage, current conversion function Conversion method (Sampling processing) Maximum value/Minimum value hold function Setting procedure Set "Operation mode setting"...

  • Page 64: Spring Clamp Terminal Block

    Wiring This section explains the multiple input module wiring. Spring clamp terminal block Suitable wiring The wires to connect the spring clamp terminal block are described below. No. of wire per terminal Wire size Single wire, strand wire Ferrule with insulation sleeve Single wiring AWG24 to 16 AWG23 to 19...
  • Page 65 Removing and installing the terminal block The following shows how to remove and install the terminal block. ■Lever position to lock and release A 3-step stopper is attached to prevent the lever from rotating, facilitating installation and removal of the terminal block. When removing or installing the terminal block, move the lever to the corresponding position.
  • Page 66 Connection and disconnection of the cable ■Connection of the cable Fully insert a cable whose end has been properly processed into the wire insertion opening. If the cable cannot be inserted with this procedure, fully insert the cable while pushing the open/close button with a flathead screwdriver having a tip width of 2.0 to 2.5 mm.

  • Page 67: Terminal Arrangement

    Terminal arrangement A/TC+ b/VI+ B/TC- A/TC+ b/VI+ B/TC- A/TC+ b/VI+ B/TC- A/TC+ b/VI+ B/TC- A/TC+ b/VI+ B/TC- A/TC+ b/VI+ B/TC- A/TC+ b/VI+ B/TC- A/TC+ b/VI+ B/TC- Terminal name Description A/TC+ CH1 Resistance temperature detector input/thermocouple input B/TC- b/VI+ CH1 Voltage/current input/resistance temperature detector input CH1 Voltage/current input A/TC+ CH2 Resistance temperature detector input/thermocouple input...

  • Page 68: Power Supply Wiring

    Power supply wiring Power connector layout (Green) (Black) (Red) Power supply wiring (1)Red (2)Black (3)Green Multiple input module (1) (2) (3) 24 V DC Grounding (Ground resistance: 100 Ω or less.) Grounding Perform the following. • Perform class D grounding (Grounding resistance: 100  or less). •...
  • Page 69 External wiring example The followings show the examples of external wiring. Voltage input, and current input 24 V DC Multiple input module Grounding (Grounding resistance: 100  or less) CH Shielded wire For  in CH, the CH number is entered. Precautions Use a two-conductor shielded twisted pair cable for analog input lines and carry out the wiring while separating them from other power lines and lines susceptible to induction.

  • Page 70: Parameter Setting

    Parameter Setting Set the parameters of each channel. Setting parameters here eliminates the need to program them. When adding a new multiple input module, if selecting the module whose module model name has "(FX2N)" at the end, it can be used as FX2N allocation mode. •...

  • Page 71: Application Setting

    Application setting Setting procedure Open "Application setting" of GX Works3. [Navigation window]  [Parameter]  [Module information]  Target module  [Module Parameter]  [Application setting] Double-click the item to be changed to enter the setting value. • Item where a value is selected from the pull-down Click [] button of the item to be set, and from the pull-down list that appears, select the value.

  • Page 72: Refresh Setting

    Refresh setting Setting procedure Set the buffer memory area of a multiple input module to be refreshed automatically. This refresh setting eliminates the need for reading/writing data by programming. Start a module parameter. [Navigation window]  [Parameter]  [Module Information]  Target module  [Module Parameter]  [Refresh setting] Double-click the item to be set to enter the device of refresh destination.

  • Page 73: Offset/Gain Setting

    Offset/Gain Setting Using the user range setting requires setting the offset and gain values. The offset/gain setting can be performed by the following two methods. • Settings from the module tool of GX Works3 • Setting from the program Setting example when the input type is voltage An example of offset/gain setting is shown below.
  • Page 74 Settings from the module tool of GX Works3 The following shows the procedure for setting the offset and gain from the module tool of GX Works3. (For CH1) ■Setting procedure [Tool]  [Module Tool List] In "Multiple Input", select "Offset/gain setting" and click the [OK] button.
  • Page 75 Mark the checkbox of the channel (CH1) where offset and gain values are to be set. Set the input type (other than conversion disable) to be used in "Input type/Range setting" and "Setting Input type/range (Offset/gain setting)" to the user range setting in advance. Select voltage or current and click the [Offset Setting] button.
  • Page 76 Input the Gain value voltage "5 V" to the terminal of the target channel (CH1) and click the [Yes] button. Check that "Gain Status" has changed to "Changed", and click the [Close] button. Click the [Yes] button. When the input type is "current", "voltage", please set the value so that offset value < gain value. 3 FX5-8AD 3.8 Offset/Gain Setting...

  • Page 77: Step 1 Mode Transition

    Setting from the program The procedure for offset/gain setting from a program is shown below. ■Setting procedure Start STEP 1 Mode transition STEP 2 Set offset/gain value STEP 3 Save offset/gain value settings STEP 4 Mode transition ■STEP 1 Mode transition Transition from normal mode to offset/gain setting mode.

  • Page 78: Module Parameters

    ■STEP 3 Save offset/gain value settings Save the set offset/gain values in the flash memory of the module. Turn on 'User range write request' (Un\G70, b10). Check that 'Offset/gain setting mode status flag' (Un\G69, b10) is off and turn off 'User range write request' (Un\G70, b10).
  • Page 79 Settings from the module tool of GX Works3 The following shows the procedure for setting the offset and gain from the module tool of GX Works3. (For CH1) ■Setting procedure [Tool]  [Module Tool List] Select "Multiple Input”  "Offset/gain setting", and click [OK] button.
  • Page 80 Click [Offset Setting] button. Input the offset value temperature "0" to the terminal of the target channel (CH1) and click the [Yes] button. Check that "Offset Status" has changed to "Changed". Write the temperature setting value "100.0" corresponding to the gain value to "Gain setting value". Click [Gain Setting] button.
  • Page 81 Check that "Gain Status" has changed to "Changed", and click [Close] button. Click [Yes] button. When the input type is "resistance temperature detector" or "thermocouple", offset value - gain value > 0.1 Precautions If a broken wire is detected while setting the offset and gain, the offset and gain channel change error (error code: 1EBH) will occur.
  • Page 82 Setting from the program The procedure for offset/gain setting from a program is shown below. ■Setting procedure Start STEP 1 Mode transition STEP 2 Set offset/gain value STEP 3 Save offset/gain value settings STEP 4 Mode transition ■STEP 1 Mode transition Transition from normal mode to offset/gain setting mode.

  • Page 83: Programming Procedure

    ■STEP 3 Save offset/gain value settings Save the set offset/gain values in the flash memory of the module. Turn on 'User range write request' (Un\G70, b10). Check that 'Offset/gain setting mode status flag' (Un\G69, b10) is off and turn off 'User range write request' (Un\G70, b10).
  • Page 84 ■Parameter settings Perform an initial setting in the module parameter of GX Works3. The refresh settings do not need to be changed here. • Basic setting Configure the basic setting as shown below. • Application setting Configure the application setting as shown below. 3 FX5-8AD 3.9 Programming...
  • Page 85 Program example ■Label settings Classification Device Description Device Module label FX5_8AD_1.bConversionCompletedFlag_D Conversion completed flag U1\G69, b14 FX5_8AD_1.bModuleREADY_D Module READY U1\G69, b0 FX5_8AD_1.bOperatingConditionSettingCompletedFlag_D Operating condition setting completed flag U1\G69, b9 FX5_8AD_1.stnMonitor_D[0].wDigitalOutputValue_D Digital output value U1\G400 FX5_8AD_1.stnMonitor_D[2].wDigitalOutputValue_D Digital output value U1\G800 FX5_8AD_1.stnMonitor_D[4].wDigitalOutputValue_D Digital output value U1\G1200 FX5_8AD_1.stnMonitor_D[6].wDigitalOutputValue_D...
  • Page 86 ■Program example • Digital output value readout processing • Maximum/minimum value readout/clear processing • Process alarm occurrence processing • Rate alarm occurrence processing 3 FX5-8AD 3.9 Programming...
  • Page 87 • Input signal error occurrence processing • Disconnection detection processing • Error clear processing 3 FX5-8AD 3.9 Programming...

  • Page 88: Troubleshooting With The Leds

    3.10 Troubleshooting This section describes errors that may occur in the use of a multiple input module and those troubleshooting. Troubleshooting with the LEDs Check the state of the LEDs to narrow down the possible causes of the trouble. This step is the first diagnostics before using GX Works3.
  • Page 89 ■When the ERROR LED turns on or flashes • When it is on Check item Corrective action Check whether any error has occurred. Check 'Latest error code' (Un\G0) and take actions described in the list of error codes. Page 426 List of error codes •...
  • Page 90 ■Digital output value varies Check item Corrective action Check whether a conversion method other than sampling processing is set. Check the setting of average processing specification from the "Module parameter setting" screen of GX Works3. Review the setting of average processing specification and check the state of variation of 'CH1 Digital output value' (Un\G400) again.
  • Page 91 ■When the ALM LED turns on or flashes • When it is on Check item Corrective action Check whether any alert has been issued. Check Alert output flag (Process alarm upper limit), Alert output flag (Process alarm lower limit), Alert output flag (Rate alarm upper limit), and Alert output flag (Rate alarm lower limit).

  • Page 92: List Of Error Codes

    ■The digital output value is not converted to an expected value Check item Corrective action Check whether the input type/input range setting are correct. Check the setting of input type, and input range from the "Module parameter setting" screen of GX Works3. If the setting range is not correct, set input range from “Module parameter setting”...
  • Page 93 Error code Error name Description and cause Corrective action 191H Averaging process A value other than 0 to 3 is set in CH Average Set a value of 0 to 3 in CH Average processing specification setting range processing specification. specification again.
  • Page 94 Error code Error name Description and cause Corrective action 1C1H Input signal error detection A value other than 0 to 250 is set in CH Input Set CH Input signal error detection lower limit setting value range error signal error detection lower limit setting value or setting value or CH...

  • Page 95: List Of Alarm Codes

    Error code Error name Description and cause Corrective action 1EDH Setting Input type/range The "Setting Input type/range (Offset/gain Set the "Setting Input type/range (Offset/gain (offset/gain setting) error setting)" for the specified channel is set to the setting)" for the specified channel to the user range factory default setting when Channel change setting again.

  • Page 96: Appendix 9 External Dimensions

    APPENDIX Appendix 9 External Dimensions This chapter describes the external dimensions of the multiple input module. 19.2 (Unit: mm) APPX Appendix 9 External Dimensions...
  • Page 97 When the FX5-8AD is used, attach a ferrite core to the power supply of the CPU module. Make 2 turns around the ferrite core and attach within approximately 200 mm from the terminal block and connectors of the power cable. (Ferrite core used in Mitsubishi Electric's test: E04SR401938 manufactured by SEIWA ELECTRIC MFG. CO., LTD.)
  • Page 98 For users of proprietary cables (dedicated for sensors or actuators), these users should follow those manufacturers' installation requirements. Mitsubishi Electric recommends that shielded cables be used. If no other EMC protection is provided, users may experience temporary loss of accuracy between +10%/-10% in very heavy industrial areas.

  • Page 99: Module Label

    Appendix 11 Module Label The functions of the multiple input module can be set by using module labels. Module Label The module label name is defined with the following structure: "Module name"_"Module number".b"Label name" or "Module name"_"Module number".b"Label name"_D FX5_8AD_1.bModuleREADY_D ■Module name The character string of a module model name is given.

  • Page 100: Buffer Memory Areas

    Appendix 12 Buffer Memory Areas List of buffer memory areas This section lists the buffer memory areas of the multiple input module. For details on the buffer memory, refer to the following. Page 448 Details of buffer memory addresses The buffer memory areas of the multiple input module are classified into the data types described below. Data type Description Setting data...
  • Page 101 Address Address Name Default value Data type Auto refresh (decimal) (hexadecimal) Output signals Control     71 to 89 47H to 59H System area  Level data 0 Control  Level data 1 Control  Level data 2 Control Level data 3 Control...
  • Page 102 Address Name Default Data Auto Decimal (hexadecimal) value type refresh  1023 1223 1423 1623 1823 CH Minimum value reset Monitor (1A7H) (26FH) (337H) (3FFH) (4C7H) (58FH) (657H) (71FH) completed flag 424 to 624 to 824 to 1024 to 1224 to ...
  • Page 103 Address Name Default Data Auto Decimal (hexadecimal) value type refresh  1071 1271 1471 1671 1871 CH Logging hold request Control (1D7H) (29FH) (367H) (42FH) (4F7H) (5BFH) (687H) (74FH) 1072 1272 1472 1672 1872 CH Conversion value shift Control  (1D8H) (2A0H) (368H)
  • Page 104 Address Name Default Data Auto Decimal (hexadecimal) value type refresh    1123 1323 1523 1723 1923 System area (20BH) (2D3H) (39BH) (463H) (52BH) (5F3H) (6BBH) (783H) 1124 1324 1524 1724 1924 CH Rate alarm upper limit Setting  (20CH) (2D4H) (39CH)
  • Page 105 Address Name Default Data Auto Decimal (hexadecimal) value type refresh    565 to 765 to 965 to 1165 to 1365 to 1565 to 1765 to 1965 to System area 1197 1397 1597 1797 1997 (235H to (2FDH (3C5H (48DH (555H to (61DH...
  • Page 106 ■Error history (Un\G3600 to Un\G3759) Address Address Name Default Data type Auto (decimal) (hexadecimal) value refresh  3600 E10H Error history 1 Error code Monitor 3601 E11H Error time First two digits Last two digits of of the year the year 3602 E12H Month...
  • Page 107 ■Alarm history (Un\G3760 to Un\G3999) Address Address Name Default Data type Auto (decimal) (hexadecimal) value refresh 3760 EB0H Alarm history 1 Alarm code Monitor  3761 EB1H Alarm time First two digits Last two digits of of the year the year 3762 EB2H Month...
  • Page 108 ■Logging data (Un\G10000 to Un\G89999) Address Name Default Data Auto Decimal (hexadecimal) value type refresh 10000 to 20000 to 30000 to 40000 to 50000 to 60000 to 70000 to 80000 to CH Logging data Monitor  19999 29999 39999 49999 59999 69999 79999...
  • Page 109 Address Name Default Data Auto Decimal (hexadecimal) value type refresh  CH Maximum value Monitor (6FH) (70H) (71H) (72H) (73H) (74H) (75H) (76H) 119 (77H) Maximum value reset Control  request  120 (78H) Maximum value reset Monitor completed flag 121 (79H) Latest address of error Monitor...
  • Page 110 Address Name Default Data Auto Decimal (hexadecimal) value type refresh    1102 1104 1106 1108 1110 1112 1114 1116 System area (44EH) (450H) (452H) (454H) (456H) (458H) (45AH) (45CH) 1117 to 1120 (45DH to 460H) System area  ...
  • Page 111 Address Name Default Data Auto Decimal (hexadecimal) value type refresh  1291 1292 1293 1294 1295 1296 1297 1298 CH Offset setting value Setting (50BH) (50CH) (50DH) (50EH) (50FH) (510H) (511H) (512H) 1299, 1300 (513H, 514H) System area   ...
  • Page 112 Address Name Default Data Auto Decimal (hexadecimal) value type refresh    9020 (233CH) System area  9021 9022 9023 9024 9025 9026 9027 9028 CH Logging hold flag Monitor (233DH) (233EH) (233FH) (2340H) (2341H) (2342H) (2343H) (2344H)  ...
  • Page 113 Address Name Default Data Auto Decimal (hexadecimal) value type refresh  9221 9222 9223 9224 9225 9226 9227 9228 CH Trigger data Setting (2405H) (2406H) (2407H) (2408H) (2409H) (240AH) (240BH) (240CH) 9229, 9230 (240DH, 240EH) System area    ...

  • Page 114: Details Of Buffer Memory Addresses

    Details of buffer memory addresses This section indicate the details of the buffer memory areas of the multiple input module. This section describes buffer memory addresses for CH1 in normal mode. Latest error code The latest error code detected in the multiple input module is stored. For details on the error codes, refer to the following. Page 426 List of error codes ■Buffer memory address The following shows the buffer memory address of this area.

  • Page 115: Module Information

    Module information Module information of FX5-8AD is stored. For module information, 61E0H (fixed hexadecimal value) is stored. ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name Module information Module information [FX2N allocation mode] The FX5-8AD module information in FX2N allocation mode function is stored.
  • Page 116 Warning output flag (Process alarm lower limit) The lower limit alarm of the process alarm can be checked for each channel. b15 b14 b13 b12 b11 b10 b9 (1) 0: Normal, 1: Alarm ON (2) The values of b8 to b15 are fixed to 0. ■Buffer memory address The following shows the buffer memory address of this area.
  • Page 117 Warning output flag (Rate alarm upper limit) The upper limit alarm of the rate alarm can be checked for each channel. b15 b14 b13 b12 b11 b10 b9 (1) 0: Normal, 1: Alarm ON (2) The values of b8 to b15 are fixed to 0. ■Buffer memory address The following shows the buffer memory address of this area.
  • Page 118 Warning output flag (Rate alarm upper limit/lower limit) [FX2N allocation mode] When the FX2N allocation mode function is used, the upper/lower limit alarm of the rate alarm can be checked. b15 b14 b13 b12 b11 b10 b9 CH8 CH8 CH6 CH5 CH4 CH4 CH2 CH1 (1) 0: Normal, 1: Alarm ON...
  • Page 119 ■Clearing input signal error detection flag Clearing input signal errors detection flag differs depending on Input signal error detection/disconnection detection auto-clear enable/disable setting. When Input signal error detection/disconnection detection auto-clear enable/disable setting is set to Enable (0) • When an analog input value falls within the normal range, Normal (0) is stored in the corresponding bit of 'Input signal error detection flag' (Un\G40).
  • Page 120 ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name Input signal error detection flag/disconnection detection flag ■Status of input signal error detection flag/disconnection detection flag • When an analog input value out of the range specified in Input signal error detection setting value is detected, Input signal error detection flag corresponding to each channel turns to Input signal error (1).

  • Page 121: Input Signals

    Operation mode monitor The operation mode status in operation can be checked. Monitor value Description Normal mode Offset/gain setting mode FX2N Allocation Mode 2CH conversion mode ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name Operation mode monitor Operation mode monitor (In FX2N allocation mode function) Input signals...
  • Page 122 ■Offset/gain initialization completed flag (b5) • Use as an interlock condition to turn offonoff 'Offset/gain initialization request' (Un\G70, b5). • Offset/gain initialization is not be performed unless ‘Offset/gain initialization enabled code '(Un\G305) is set to E20FH. • It is possible to perform offset/gain initialization in normal mode only. •...
  • Page 123 ■Warning output signal (b8) Alert output signal (Un\G69, b8) turns on when the process alarm or rate alarm has been detected. When the alert output function (process alarm/rate alarm) is disabled for all channels, 'Alert output signal' (Un\G69, b8) is always off. Alarm Operation Process alarm...
  • Page 124 ■Offset/gain setting mode status flag (b10) When registering the value, which has been adjusted with the offset/gain setting, use as an interlock condition to turn offonoff 'User range write request' (Un\G70, b10). Controlled by the multiple input module Controlled by the program 'Module READY' (Un\G69, b0) 'Offset/gain setting mode status...
  • Page 125 ■Input signal error detection signal (b12) Set 'CH1 Input signal error detection setting' (Un\G528) to one of upper lower limit detection, upper limit detection, lower limit detection, and simple disconnection detection, and turns on if the analog input value exceeds the setting range that is set in 'CH1 Input signal error detection lower limit setting value (Un\G529) or 'CH1 Input signal error detection upper limit setting value’...

  • Page 126: Output Signals

    Output signals A state of FX5-8AD can be checked in the buffer memory area. ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name Output signals Output signal (In FX2N allocation mode function) ■List of output signals Buffer Memory Areas Description b0 to 4...
  • Page 127 Level data 0 to 9 This area stores data to be monitored when a level trigger of the logging function is used. Ten types of data are available: 'Level data 0' (Un\G90) to 'Level data 9' (Un\G99). These are useful, for example, to generate triggers while monitoring the values of devices other than the multiple input module.
  • Page 128 Rate alarm change rate selection Select rate alarm change rate. "Rate specification" that sets the rate alarm upper limit value and the rate alarm lower limit value in units of 0.1% with respect to (the maximum value of the digital output value) - (the minimum value of the digital output value), and "Digital output value specification"...
  • Page 129 Offset/gain initialization enable code When the offset/gain initialization request (Un/G70, b5) turns offon by setting the enable code "E20FH" in this area at the time of initialization of offset/gain, the offset value and the gain value in the flash memory of the multiple input module are initialized.
  • Page 130 CH1 Maximum value The maximum value of the digital operation value is stored in 16-bit signed binary value. b15 b14 b13 b12 b11 b10 b9 (1) Data section (2) Sign bit 0: Positive, 1: Negative In the following cases, 'CH1 Maximum value' (Un\G404) is updated with the current value. •...
  • Page 131 CH1 Logging hold flag The logging holding status can be checked. For details on the logging function, refer to the following. Page 379 Logging function Monitor value Description As data collection in 'CH1 Logging data' (Un\G10000 to Un\G19999) comes to a halt, this flag turns to ON (1). When logging restarts by changing 'CH1 Logging hold request' (Un\G471) from ON (1)OFF (0), 'CH1 Logging hold flag' (Un\G409) is turned to OFF (0).
  • Page 132 Maximum value reset completed flag [FX2N allocation mode] The reset status of maximum value in FX2N allocation mode can be checked. b15 b14 b13 b12 b11 b10 b9 (1) 0: Not completed, 1: Completed (2) The values of b8 to b15 are fixed to 0. ■Buffer memory address The following shows the buffer memory address of this area.
  • Page 133 CH1 Input type/Range monitor Set input type, and input range can be checked. Monitor value Input type Input range 000FH Conversion not allowed (Default)  0003H Current 4 to 20 mA 0010H 0 to 20 mA 0006H -20 to +20 mA 0011H Voltage 1 to 5 V...
  • Page 134 CH1 Input type/Range monitor (Offset/gain setting) Offset/gain values, which are set in ‘CH1 Input type/range setting’ (Un\G598), can be checked. Monitor value Description Factory default setting User range setting ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name CH...
  • Page 135 CH1 Latest pointer The buffer memory address of the latest data in CH1 Logging data (Un\G10000 to Un\G19999) can be checked with this buffer memory area. The offset value at the start address of CH1 Logging data (Un\G10000 to Un\G19999) is stored. ■Buffer memory address The following shows the buffer memory address of this area.

  • Page 136: Logging Function

    CH1 Trigger pointer In CH1 Logging data (Un\G10000 to Un\G19999), the buffer memory address where the data at the time of a hold trigger event is stored can be checked. The difference between the buffer memory address where the data at the time of a hold trigger event is stored and the start address in CH1 Logging data (Un\G10000 to Un\G19999) is stored.
  • Page 137 CH1 Trigger generation time The time when a trigger is generated is recorded. For details on the logging function, refer to the following. Page 379 Logging function b8 b7 First two digits of the year Last two digits of the year 'CH1 Trigger generation time (First/Last two digits of the year)' (Un\G444) Month 'CH1 Trigger generation time (Month/Day)' (Un\G445)
  • Page 138 CH1 Celsius/Fahrenheit display monitor A status of Celsius/Fahrenheit display in operation is stored. Monitor value Setting content Celsius Fahrenheit ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name CH Celsius/Fahrenheit display monitor 1052 1252 1452 1652...
  • Page 139 CH1 NowSetting user range base input range monitor This area is used to check the input range of user range setting that is registered in the offset/gain setting mode. When the input type is current, and voltage, 0000H is stored. Monitor value Setting content ■Case of resistance temperature detector...
  • Page 140 ■Operation of the logging hold processing • When Disable (0) is set to 'CH1 Level trigger condition setting' (Un\G540), the logging hold processing starts by turning offon 'CH1 Logging hold request' (Un\G471). • When a value other than Disable (0) is set to 'CH1 Level trigger condition setting' (Un\G540), the logging hold processing starts after 'CH1 Logging hold request' (Un\G471) is turned offon and the set level trigger condition is satisfied.
  • Page 141 ■Default value The default value is off (0). Maximum value reset request [FX2N allocation mode] When resetting the maximum value, and updating with the current value in FX2N allocation mode, turn offon. b15 b14 b13 b12 b11 b10 b9 (1) 0: No reset request, 1: Reset request (2) The values of b8 to b15 are fixed to 0.
  • Page 142 ■Default value The default value is off (0). CH1 Average processing specification Set which processing is to be used, sampling processing or averaging processing. Averaging processing consists of time average, count average, and moving average. Setting value Setting content Sampling processing Time average Count average Moving average...
  • Page 143 ■Default value The default value is set to 0. • Since the default value is 0, change the setting value according to the processing method. • The setting for this area is ignored in the channel where Sampling processing (0) is set to 'CH1 Averaging process specification' (Un\G501).
  • Page 144 CH1 Scaling lower limit value Set a lower limit value for the range of the scale conversion. ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name CH Scaling lower limit value 1108 1308 1508 1708 1908...
  • Page 145 CH1 Warning output function (Process alarm) Set whether to enable or disable the alert output of the process alarm. For details on the alert output function, refer to the following. Page 362 Alert output function Setting value Setting content Enable Disable Setting a value other than the above causes an alert output setting (Process alarm) range error (error code: 1B0H).
  • Page 146 CH1 Process alarm upper upper limit value Set an upper upper limit value of the alert output function (Process alarm). For details on the alert output function, refer to the following. Page 362 Alert output function ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name CH...
  • Page 147 CH1 Process alarm lower upper limit value Set a lower upper limit value of the alert output function (Process alarm). For details on the alert output function, refer to the following. Page 362 Alert output function ■Buffer memory address The following shows the buffer memory address of this area. Buffer memory name CH...
  • Page 148 CH1 Rate alarm alert detection cycle setting Set the cycle to detect the change amount of digital output values. The value of the cycle to detect a rate alarm alert is the product of the value in 'CH1 Rate alarm alert detection cycle setting' (Un\G522) and the conversion cycle.

  • Page 149: Setting Range

    CH1 Rate alarm lower limit value Set a lower limit value of the change rate of digital operation values to detect a rate alarm. For details on the alert output function, refer to the following. Page 362 Alert output function ■Buffer memory address The following shows the buffer memory address of this area.
  • Page 150 ■Enabling the setting Turn offonoff 'Operating condition setting request' (Un\G70, b9) to enable the setting. ■Default value The default value is Disable (0). CH1 Input signal error detection lower limit setting value Set a lower limit value to detect an error for the input analog value. For details on the input signal error detection function, refer to the following.
  • Page 151 CH1 Input signal error detection upper limit setting value Set an upper limit value to detect an error for the input analog value. For details on the input signal error detection function, refer to the following. Page 369 Input signal error detection function ■Buffer memory address The following shows the buffer memory address of this area.
  • Page 152 CH1 Disconnection detection enable/disable setting Set whether to enable or disable the disconnection detection function. For details on the disconnection detection function, refer to the following. Page 376 Disconnection detection function Setting value Setting content Enable Disable Setting a value other than the above causes a disconnection detection enable/disable setting range error (error code: 1C5H).
  • Page 153 CH1 Conversion setting at disconnection detection Set what value is to be stored in 'CH1 Digital output value' (Un\G400) at the time of disconnection detection. For details on the disconnection detection function, refer to the following. Page 376 Disconnection detection function Setting value Setting content Upscale...

  • Page 154: Logging Function

    CH1 Logging data setting Determine the target to be collected: digital output value or digital operation value. For details on the logging function, refer to the following. Page 379 Logging function Setting value Setting content Digital output value Digital operation value Setting a value other than the above causes a logging data setting range error (error code: 1D3H).
  • Page 155 CH1 Logging cycle unit setting Set a cycle unit for storing the logging data. For details on the logging function, refer to the following. Page 379 Logging function Setting value Setting content • Setting a value other than the above causes a logging cycle setting value range error (error code: 1D1H). Logging cannot be performed.
  • Page 156 CH1 Level trigger condition setting Set the condition for the occurrence of a hold trigger when using the level trigger in the logging function. To use the level trigger, perform level trigger condition setting to one of Level trigger (Condition: Rise)(1), Level trigger (Condition: Fall)(2), or Level trigger (Condition: Rise and fall)(3).
  • Page 157 ■Default value The default values are set as shown below. Channel In the normal mode In FX2N allocation function mode Default value Buffer memory area to be Default value Buffer memory area to be (Decimal) monitored (Decimal) monitored CH1 Digital operation value (Un\G402) CH1 Digital operation value (Un\G10) CH2 Digital operation value (Un\G602) CH2 Digital operation value (Un\G11)
  • Page 158 CH1 Offset setting value As Channel change request (Un\G70, b11) is turned offonoff in offset/gain setting mode, the measured temperature value is corrected by a value written in this area. Specify the value of a 16-bit signed binary number. ■Buffer memory address The following shows the buffer memory address of this area.
  • Page 159 CH1 Gain setting value As Channel change request (Un\G70, b11) is turned offonoff in offset/gain setting mode, the measured temperature value is corrected by a value written in this area. Specify the value of a 16-bit signed binary number. ■Buffer memory address The following shows the buffer memory address of this area.
  • Page 160 CH1 Input type/range setting This area is for setting an input type and range setting. Setting value (Hexadecimal) Input type Input range  000FH Conversion disable 0003H Current 4 to 20 mA 0010H 0 to 20 mA 0006H -20 to +20 mA 0011H Voltage 1 to 5 V...
  • Page 161 CH1 Input type/range setting [FX2N allocation mode] When the FX2N allocation mode function is used, this area is for setting an input type and range setting. b12 b11 b8 b7 CH1 to 4 input type/range setting (Un\G0) b12 b11 b8 b7 CH5 to 8 input type/range setting (Un\G1) Setting value (Hexadecimal)

  • Page 162: Error History

    CH1 Input type/range setting (Offset/gain setting) The area is to set the range setting (Offset/gain setting). Setting value Description Factory default setting User range setting Setting a value other than the above causes an input type/range setting range error (error code: 190H). ■Buffer memory address The following shows the buffer memory address of this area.

  • Page 163: Alarm History

    Alarm history Up to 16 alarms that occurred in the module are recorded. b8 b7 Un\G3760 Alarm code First two digits of the year Last two digits of the year Un\G3761 Month Un\G3762 Hour Minute Un\G3763 Second Day of the week Un\G3764 Millisecond (higher-order digits) Millisecond (lower-order digits)
  • Page 164 CH1 Offset/gain setting mode Specify the channel where the offset/gain setting is adjusted. • Offset/gain setting mode (offset specification): Channel to adjust the offset • Offset/gain setting mode (gain specification): Channel to adjust the gain Setting value Setting content Disable Setting channel Set one of the offset specification or gain specification to the Setting channel (1), and the other to Disable (0).

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