EM-GU User’s Manual
2. Product Description and Installation
5
2.6 Description of control circuit terminals
Control terminal connection:
That is the wire comes from 11 external terminals which including input and
output control signal and analogue output or RS485 communication signal.
Diagram 2.6 Control circuit terminal
Type
Terminal
Symbol
Terminal
Name
Description
Communication
485+
Communication
terminal
Input and output signal terminals for MODBUS-RTU protocol
communication.
485-
Digital input
IN1-24V
Run
When F49=0, there are two ways of connections for your selection;
those are 2-wire connection and 3-wire connection, as below:
IN2-24V
Stop/Reset
IN3-24V
Faul
Analog output AO-GND 4-20mA output
The output upper and lower current limits are set by parameter F15,
default 2 times.
Relay output
TA-TB
NC terminal
Programmable relay output, the output method is set by the F13
parameter.
TA-TC
NO terminal
Note
：
Please make sure that external terminals are in right connection; otherwise, the product may be
damaged.
