Omron E5CN Manual

SECTION 5 Modbus Communications Procedure
5-6
5.2 Function List
The following table lists the function codes.
Function Code List
Function code Name Process
03 (H'03) Read variable
(multiple)
This function reads from variable areas.
It is possible to read two or more consecutive variables.
16 (H'10) Write variable
(multiple)
This function writes to variable areas.
It is possible to write two or more consecutive variables.
It is also possible to broadcast this function (broadcast
transmission).
06 (H'06) Write variable
(operation com-
mand)
This function writes an operation command.
It is also possible to broadcast this function (broadcast
transmission).
08 (H'08) Echoback Test This function performs an echoback test.

Omron E5CN Specifications

General

Communication	RS-485 (optional)
Mounting	Panel Mount
Control Method	ON/OFF
Input Type	Thermocouple, RTD
Supply Voltage	100 to 240 VAC
Output Type	Relay, Voltage (for driving SSR), Current
Display Type	7-segment LED
Size	48 x 48 mm
Control Output	Relay, Voltage (for driving SSR), Current
Alarm Output	1 or 2 outputs
Dimensions	48 x 48 x 78 mm
Ambient Operating Temperature	-10 to 55°C
Protection Rating	IP66