SMC Networks HRS050-A*-20 Series User Manual

HRX-OM-O021
Chapter 5 Display and setting of various functions
5.18 Communication function HRS Series
5-56
4. Select serial protocol from the table below with [▲] key or [▼] key, and confirm by
pressing “SEL”.
Table 5.18-3 List of set value
Set value Explanation
Initial value
(Default setting)
MODBUS protocol
○
Simple communication protocol 1
Simple communication protocol 2
∗
3
∗3：When the setting of the contact input 2 is “Remote signal”, “Simplified communication protocol
2” cannot be set.
Communication specification Setting and checking
5. Press the [SEL] key once.
The set screen of communication specification is displayed on the digital display.
PV
SV
6. Select communication specification from the table below with [▲] key or [▼] key, and
confirm by pressing “SEL”.
Table 5.18-4 List of set value
Set value Explanation
Initial value
(Default setting)
RS-232C
RS-485
○
RS-485 terminal Setting and checking
7. Press the [SEL] key once.
The set screen of RS-485 terminal is displayed on the digital display.
PV
SV
8. Select RS-485 terminal from the table below with [▲] key or [▼] key, and confirm by
pressing “SEL”.
Table 5.18-5 List of set value
Set value Explanation
Initial value
(Default setting)
No terminal
○
With terminal

SMC Networks HRS050-A*-20 Series Specifications

General

Brand	SMC Networks
Model	HRS050-A*-20 Series
Category	Chiller
Language	English