Panasonic GM1 Series, User Manual

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Access type:
Select an access type (function code) and change the value of the READ or WRITE register
parameter according to the selected access type.
Function code Access type Description
1 Read Coils Reads from coils
2 Read Discrete Inputs Reads from discrete inputs
3 Read Holding Registers Reads from holding registers
4 Read Input Registers Reads from input registers
5 Write Single Coil Writes to single coil
6 Write Single Register Writes to single register
15 Write Multiple Coils Writes to multiple coils
16 Write Multiple Registers Writes to multiple registers
23 Read / Write Multiple Registers Reads from or writes to multiple registers
Trigger:
Select conditions for command transmission.
Access type Description
Cyclic Commands are sent periodically.
Enter a transmission interval in the Cycle time field.
Rising edge Commands are sent at the rising edge of a Boolean trigger variable.
The trigger variable area is defined in the I/O Mapping tab.
Application Commands are sent using the ModbusChannel function block in a user
program.
READ register settings
Item Description
Offset Specifies the starting address from which read operation is to be started.
For SP15, do not specify offset "65535".
13.3 MODBUS
WUME-GM1RTXOP-01 13-35