User Manual
Programmable Control Panel 
5 
output. RS232 (2) and IR3 share the same port, the detailed use depends on the 
setting of JTD-Control. 
Other part is RS232 (3), it can be used for control other devices or looping output, 
or connect with PC.   
These two parts share the same grounding. 
②  This port includes: RS232 (1)/IR2, IR1 and RS485. 
a) RS232 (1)/IR2: share the same port, the detailed use depends on the setting of 
JTD-Control.  When  be  used  as  RS232,  it  is  unidirectional  transmission, 
transmit data but without receive. 
b) IR1: for control other devices, it can be programmable by the JTD-Control. 
c) RS485: the RS485 can be programmed as different commands and control the 
device with RS485 port. The command of RS485 is the same as RS232 (1). 
③  Low-Voltage relay ports: set the relay on/off by software JTD-Control 
④  Power connector: 12VDC. Be sure that the “+” and “-” never be mixed or 
wrong connection. 










