SMC Networks HRSH090 Series, Operation Manual

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HRX-OM-R026
Chapter 5 Display and setting of various functions
5.21 Communication function HRSH Series
5-70
Communication mode setting and cheking
1.
Press and hold the [MENU] key for approx. 2 sec.
Repeat pressing the key until the setting screen for communication mode [ ]
appears on the digital display.
2.
Select communication mode from the table below with [
▲] key or [▼] key, and confirm
by pressing “SEL”.
Table 5.21-2 List of set value
Set value Explanation
Initial value
(Default setting)
Sets LOCAL mode.
(The operation panel operates and sets the
thermo-chiller.
）

Sets DIO mode.

1
(The operation starts with contact input/output.)
Sets SERIAL mode.

2
(Serial communication performs
operation/setting.)

1
：
When the setting of the contact input 1 is “External switch signal”, “DIO mode” cannot be set.

2
： If the serial protocol is “Simple communication protocol 2” and the contact input 1 is “external
switch signal” or contact input 2 is “remote signal”, “SERIAL mode” cannot be set.
Serial protocol Settinf and checking
3.
Press the [SEL] key once.
The set screen of serial protocol is displayed on the digital display.
PV
SV
PV
SV
PV
SV
PV
SV
PV
SV
PV
SV
[MENU]
Press and
hold
[MENU]
Press and
hold
[MENU]
Press and
hold
[MENU]
Press and
hold
[MENU]
Press and
hold