5 Implementation of Modbus TCP
5.9 Parameters of the modules
74
XI/ON: XNE-GWBR-2ETH-MB
10/2011 MN05002008Z-EN
www.eaton.com
5.9.2
Analog output modules
• XN-1AO-I(0/4...20MA)
• XN-2AO-I(0/4...20MA) (3 Byte per channel)
Table 25:
Module
parameters
A
Default-
settings
Byte Bit
Parameter
name
Value
0
0
Current mode
0 = 0..20mA
A
1 = 4..20mA
1
Value representation
0 = Integer (15bit + sign)
A
1 = 12bit (left-justified)
2 to 7
reserved
1
Substitute value low byte
In Modbus TCP, the output of a substi-
tute value in case of an error is not
possible, page 68.
2
Substitute value high byte
Table 26:
Module
parameters
A
Default-
settings
Byte Bit
Parameter
name
Value
0/3
0
Current mode
0 = 0..20mA
A
1 = 4..20mA
1
Value representation
0 = Integer (15bit + sign)
A
1 = 12bit (left-justified)
2
reserved
3
Channel Kx
0 = activate
A
1 = deactivate
4 to 7
reserved
1/4
Substitute value low byte
In Modbus TCP, the output of a substi-
tute value in case of an error is not
possible, page 68.
2/5
Substitute value high byte