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Mitsubishi Electronics FX2N-8AD 9. Adjustment of I/O Characteristics........................................................9-1

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FX2N-8AD Analog input block Contents.

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8.2.14 BFM #32: Operating time ..................................................................................8-26

8.2.15 BFM#33 disconnection detection (Only goods: since V1.10)............................ 8-27

8.2.16 BFM #41 to BFM #48: Offset data

BFM #51 to BFM #58: Gain data.......................................................................8-28

8.2.17 BFM #61 to BFM #68: Addition data .................................................................8-30

8.2.18 BFM #71 to BFM #78: Lower limit, error set value

BFM #81 to BFM #88: Upper limit, error set value............................................ 8-31

8.2.19 BFM #91 to BFM #98: Sudden change detection set value ..............................8-33

8.2.20 BFM #99: Clears upper/lower limit value error and sudden change detection error

..........................................................................................................................8-35

8.2.21 BFM #101 to BFM #108: Peak value (minimum value)

BFM #111 to BFM #118: Peak value (maximum value).................................... 8-36

8.2.22 BFM #109: Peak value reset flag (minimum value)

BFM #119: Peak value reset flag (maximum value).......................................... 8-37

8.2.23 BFM #198: Data history sampling time ............................................................. 8-38

8.2.24 BFM #199: Resets or stops data history...........................................................8-40

8.2.25 BFM #200 to BFM #3399: Data history.............................................................8-41

9. Adjustment of I/O Characteristics........................................................9-1

9.1 Standard I/O characteristics............................................................................. 9-2

9.2 Adjustment of I/O characteristics .....................................................................9-7

10. Example program..............................................................................10-1Appendix AAssociated Manuals List........................................................................... A-1

Contents

Main FX2N-8AD Analog input block Foreword Page Page Guidelines for the Safety of the User and Protection of the FX input block. Page Page Page Page 9. Adjustment of I/O Characteristics........................................................9-1 1. Introduction Page External Dimensions 2 FX2N-8AD Analog input block 2-1 2. External Dimensions 8(0.31) 105(4.13) Figure 2.1: External Dimensions POWER 24V Page Part Name 3 FX2N-8AD Analog input block 3-1 3. Part Name FX2N-8AD Terminal arrangement POWER 24V Page 4. Installation FX2N-8AD Analog input block Installation 4 4-2 Figure 4.1: Installation with DIN rail 67(2.64) I3+ 24- POWER 5. Connection to PLC Page 6. Wiring 6.1 Caution Figure 6.1: Crimp Terminals FX2N-8AD Analog input block Wiring 6 6-2 Figure 6.2: Wiring Figure 6.3: Crimp Terminals For M3 (0.12") 6.2 mm (0.24" ) or less For M3 (0.12") 6.2 mm (0.24") or less Page Page 7. Specifications Table 7.1: General specifications Table 7.2: Power supply specifications Table 7.3: Performance specifications FX2N-8AD Analog input block Specifications 7 7-3 Table 7.4: Voltage/current input specifications Item Voltage input Current input 2.50 5.00 Table 7.5: Thermocouple input specifications 8. Buffer Memory (BFM) Page 8-3 8.1 Buffer Memories (BFM) lists 8-4 8-5 8-6 8-7 8-8 8-9 #99 Clearness of upper and lower limit value error and sudden change detection error K0 8-10 8-11 8-12 8.2 Details of buffer memories Page Page Page Page Page Page Page Table 8.2: Bit assignment in BFM #26 Table 8.3: Bit assignment in BFM #27 Table 8.4: Range in which A/D conversion is available Table 8.5: Bit assignment in BFM #28 8.2.12 BFM #29: Error status The error information is assigned to each bit of BFM #29. Table 8.6: Bit assignment in BFM #29 Page Table 8.7: Standard digital value Table 8.8: Initial offset/gain value Table 8.9: Setting range Page Page Table 8.10: Setting range Page Table 8.11: Setting range Table 8.12: Bit assignment in BFM #99 Page Table 8.13: Bit assignment Page Page Table 8.14: Assignment of lower eight bits Table 8.15: Assignment of upper eight bits Table 8.16: Assignment of channel No. and BFM No. Page 9. Adjustment of I/O Characteristics 9.1 Standard I/O characteristics Figure 9.1: Standard I/O characteristics 9-3 4. Current input, 4 to 20 mA, 16 mA x 1/4,000 5. Current input, direct display (4,000 to 20,000) 9-4 6. Current input, -20 to +20 mA, 40 mA x 1/16,000 7. Current input, -20 to +20 mA, 40 mA x 1/8,000 8. Current input, direct display (-20,000 to +20,000) 9. Thermocouple input, K type, Celsius 9-5 A. Thermocouple input, J type, Celsius B. Thermocouple input, T type, Celsius C. Thermocouple input, K type, Fare nheit D. Thermocouple input, J type, Farenheit E. Thermocouple input, T type, Farenheit 9-6 Page 9-8 Figure 9.2: Example program 10. Example program Page 10-3 Figure 10.1:Example program 10-4 Outputs the upper/lower limit value error status of each channel. Outputs the scale over error status of each channel . 10-5 Note: Page Appendix A: Associated Manuals List For further information manual about FX Series, refer to following table. Table A-1: List of Further Information Manual Page Page USERS MANUAL