SM500F
Field mountable paperless recorder
Appendix B – Modbus TCP/Modbus 485
158
IM/SM500F Rev. Z
B.6 Communications – Analog and Digital Inputs
Comms.
Digital
Inputs
Comms.
Analog
Inputs
Failure
Comms.
Analog Inputs
Comms.
Digital
Inputs
Comms.
Analog
Inputs
Failure
Comms.
Analog Inputs
Read/Write:
0 = Inactive
1 = Active
Floating point
(–999 to 9999)
Read/Write:
0 = Inactive
1 = Active
Floating point
(–999 to 9999)
Input
Number
Coil Number Coil Number
Registers
Input
Number
Coil Number Coil Number
Registers
1
0601
0651
0851 and 0852
13
0613
0663
0875 and 0876
2
0602
0652
0853 and 0854
14
0614
0664
0877 and 0878
3
0603
0653
0855 and 0856
15
0615
0665
0879 and 0880
4
0604
0654
0857 and 0858
16
0616
0666
0881 and 0882
5
0605
0655
0859 and 0860
17
0617
0667
0883 and 0884
6
0606
0656
0861 and 0862
18
0618
0668
0885 and 0886
7
0607
0657
0863 and 0864
19
0619
0669
0887 and 0888
8
0608
0658
0865 and 0866
20
0620
0670
0889 and 0890
9
0609
0659
0867 and 0868
21
0621
0671
0891 and 0892
10
0610
0660
0869 and 0870
22
0622
0672
0893 and 0894
11
0611
0661
0871 and 0872
23
0623
0673
0895 and 0896
12
0612
0662
0873 and 0874
24
0624
0674
0897 and 0898
Reserved 0625 to 0650 0675 to 0700
0899 to 1000
Table B.14 Modbus Inputs