GE Power Management
DGP Digital Generator Protection System
9-
9
9 COMMUNICATIONS
9.3 MODBUS FUNCTIONS
9
9.3.3 FUNCTION CODE 06: STORE SINGLE SETPOINT
a) DESCRIPTION
This function code allows the master to preset a DGP setpoint or to write to some control registers during the
report reads.
b) QUERY
The query message specifies the setpoint to be preset
c) RESPONSE
The normal response is an echo of the query returned after the contents of the register have been preset.
Example of response to function 06H.
Field:
Bytes
Example (hex):
SLAVE ADDRESS
1
11 Message for slave 17
FUNCTION CODE
1
06 Store a single setpoint
Register address
2
Address of the register to be preset
Value
2
Value of the set point register
CRC
2
CRC Calculated by master. High byte first. Low byte next
Field:
Bytes
Example (hex):
SLAVE ADDRESS
1
11 Message from slave 17
FUNCTION CODE
1
06 Store a single setpoint
Register Address
2
Address of the register that has been set to the value specified by the
Master
Value
2
Same as the value specified by the master query.
CRC
2
CRC Calculated by Slave High byte first. Low byte next
Содержание DGP Series
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