HRX-OM-M090
Chapter 3 Transport and Setting Up
3.3
Installation
HRS Series
3-16
3.3.7
RS-232C Communication wiring
Serial communication RS-232C, operation start/stop, setting and reading of
circulating fluid temperature, and reading of alarm condition can be done by
remote control.
Refer to the Communications Operation Manual for more details.
Wiring of communication cable
Be sure to wire as shown in the figure below.
z
Configuration
1 master : 1 thermo-chiller
2
3
5
R D
S D
S G
2
3
5
R D
S D
S G
Master
This product
Fig. 3-10 Connection of RS-232C
Be sure to shut off the breaker of the facility power supply (the user’s
machine power supply) before wiring.