SMC Networks HRR012-A*-20 Series - Communication Wiring

HRX-OM-W002-A
Chapter 3 Transport and Setting Up
3.3 Installation HRR Series
3-16
・Selected alarm status signal output
・Signal for selection maintenance is output
3.3.7 RS-485 communication wiring
Serial communication RS-485, operation Start/Stop, setting and reading of
circulating fluid temperature, and reading of alarm condition can be
performed by remote control.
Refer to Operation Manual “Communication Function” for more details.
 RS-485 communication connector
The following connector is used for this product as a connector for RS - 485
communication.
Please prepare suitable mating connector.
Table 3-8 RS-485 communication connector
Connector specification (this product side)
Dsub 9 pin female (socket) type
Fig 3-6 RS-485 communication connector
RS-485 communication connector
5
1
9
6
Dsub 9 pin female (socket) type