Sanken SVCO6, Instruction Manual, Page: 260 / 326

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7-4 Serial Communication Function
7-4-3 Inverter Operation and Related Function Code Setting by Serial Communication
(1) Setting of serial communication use
Serial
communication
F4005 setting
Operation
of operation
panel
Serial communication
Description Function code Operation Frequency
Reference Set Start Stop Display Set
0: No function
Enabled Disabled Disabled Disabled Disabled Disabled Disabled
Serial
communication
cannot be used.
1: Communication of
dedicated protocol
Enabled
Enabled Enabled
Enabled
*1
Enabled Enabled
Enabled
*2
Operation panel can
be used at the same
time.
2: Modbus-RTU
protocol
Enabled Enabled Enabled
Enabled
*1
Enabled Enabled
Enabled
*2
*
1: Set F1101=3 for operation by serial communication.
*
2: Set F1002=22 for frequency setting by serial communication.
(2) Setting of function codes related to the computer and serial communication
Code Description
F4001 Message checksum
Select whether to add a checksum to a communication message.
0: No
1: Yes (Factory preset)
F4003
Pull-up/down function selection
※
1
Select pull-up/down for the RS485 communication circuit.
0: No (Factory preset)
1: Yes
F4004 Communication response time
Set a communication response time.
1-6000ms (Factory preset =10ms)
F4005 Serial communication function
Select a serial communication.
0: No function (Factory preset)
1: Communication with dedicated protocol(SANKEN communication protocol)
2: Modbus communication
F4006 Inverter No.
Set the inverter number (Factory preset = 1)
· Please set value of 1-32 by a communication with the dedicated protocol
(SANKEN protocol).
· Please set value 0-247 by a Modbus communication.
Please set a number which is not the same with other numbers, otherwise, the inverter may not work
normally.
The inverters need not be numbered sequentially.