5 Implementation of Modbus TCP
5.5 Data width of the I/O-modules in the modbus-register area
XI/ON: XNE-GWBR-2ETH-MB
10/2011 MN05002008Z-EN
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63
5.5.1
Register 100Ch: "Gateway-Status"
This register contains a general gateway-/ station-status.
Table 13:
Register 100Ch:
gateway-status
Bit
Name
Description
Gateway
15
I/O Controller Error
The communication controller for the I/O-system is
faulty.
14
Force Mode Active Error
The Force-Mode it activated.
The state of the outputs may no longer accord to the
settings made via the field bus.
13
reserved
-
12
Modbus Wdog Error
A time-out in the Modbus communication occurred.
Module bus
11
I/O Cfg Modified Error
The I/O-configuration has been changed and is now
incompatible.
10
I/O Communication Lost
Error
No communication on the I/O-module bus.
Voltage errors
9
U
SYS
too low
System supply voltage too low (< 18 VDC).
8
U
SYS
too high
System supply voltage too high (> 30 VDC).
7
U
L
too low
Load voltage too low (< 18 VDC).
6
U
L
too high
Load voltage too high (> 30 V DC).
5
I
SYS
too high
Overload of the system voltage supply.
4
reserved
-
Warnings
3
I/O Cfg Modified Warning
The station-configuration has changed.
0
I/O Diags Active Warning
At least one I/O-module sends active diagnostics.
