4–36 845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
DEVICE CHAPTER 4: SETPOINTS
Table 4-14: Function Format for “Force Virtual Input 1” command
Commands using Modbus Function 05H (Execute Operation)
Specific command operations such as described above can also be performed using
function code 05H.
Table 4-15: Format for Function Code 05H
Table 4-16: Examples of Command values
Table 4-17: Function Format for Reset command
Routing When the configuration card is present, a default route and a maximum number of 6 static
routes can be configured. The default route is used as the last choice, if no other route
towards a given destination is found.
Path: Setpoints > Device > Communications > Routing > Default Route
GATEWAY ADDRESS
Range: Standard IPV4 unicast address format (0.0.0.1 to 223.255.255.254)
Default: 127.0.0.1
This setting sets the gateway of the default route to be used by IP traffic sent from the
relay, if no other route towards a given IP destination is found.
This setting is available only if the communications card is present.
Path: Setpoints > Device > Communications > Routing > Static RT1 (2 to 6)
RT1 (2,3,4,5,6) DESTINATION
Range: Standard IPV4 network address format (0.0.0.1 to 223.255.255.254)
Default: 127.0.0.1
This setting sets the destination IPv4 route. This setting is available only if the
communications card is present.
Slave # Function Data Starting
Address
Number of
Setpoints
Byte count Data 1 Data 2
FE 10 0080 0002 04 0005 1000
Master Transmission Byte# Example Description
Slave Address 1 FE message for slave # 254
Function Code 1 05 execute operation
Operation Code 2 00 01 operation code
Code Value 2 FF 00 perform function
CRC 2 DF 6A CRC error code
Command Value Value Description
1 Reset
96 Clear All Records
98 Clear Events
105 Clear Energy Use Data
4096 Force Virtual Input 1
Slave # Function Operation Code Code Value
FE 05 0001 FF00