MSA Senscient ELDS 1000 series, Руководство по эксплуатации

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Appendix F – MODBUS Communications
Senscient ELDS™
Rev 15 169
GB
There are 27 single bit inputs defined as follows:
Input Content
1 Unit Type (0=Rx, 1=Tx)
2 BB Laser 0
3 BB Laser 1
4 Low Light
5 Over Temperature
6 Under Temperature
7 Window Heater (0 if off, 1 if on)
8 Laser 0 Zero (0 if invalid, 1 if valid)
9 Laser 1 Zero (0 if invalid, 1 if valid)
10 Laser 0 Span (0 if invalid, 1 if valid)
11 Laser 1 Span (0 if invalid, 1 if valid)
12 L0 Rapid Signal Loss (1 if asserted)
13 L1 Rapid Signal Loss (1 if asserted)
14 L0 Fingerprint Failed (1 if asserted)
15 L1 Fingerprint Failed (1 if asserted)
16 L0 Locked
17 L1 Locked
18 L0 Lock Failed
19 L1 Lock Failed
20 L0 Fault
21 L1 Fault
22 L0 Inhibit
23 L1 Inhibit
24 L0 Over-Range
25 L1 Over-Range
26 L0 Negative Gas Fault
27 L1 Negative Gas Fault
These are read only and can be read using the Modbus command 0x02 (Read Discrete Inputs).