Product Description XI/ON - Eaton Automation

XI/ON: Gateways for Modbus TCP 6 Application example: Modbus TCP
6.5.2 Module diagnosis (0×A000 to 0×A400)
For each module, 64 Bytes = 32 registes are reserved for diagnostic
messages.
Module 3: XN-2AI-THERMO-PI
The module has 2 bytes of diagnosis data, these are shown in
register 0×A060
→ register 0×A060 = 0×0200
→ "open circuit" at channel 1.
Figure 64:
module diagnosis,
module 3
A diagnosis byte
channel 0
B diagnosis byte
channel 1
Table 60:
XN-2AI-
THERMO-PI
Diagnosis
byte
Bit Diagnosis
A threshold:
1% of the positive
n 0 measurement value range error A
measurement range
1 open circuit B
end value
B Threshold: 5 W
(only in temperature measurement ranges)
(loop resistance)
2 to 7 reserved
M001973-01, 07/2007 147
B
A