SMC Networks HRS012-A*-10-* Operation Manual page 107

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.
PV
SV
［MENU］
Press and
PV
hold
SV
2.
Select communication mode from the table below with [▲] key or [▼] key, and confirm by
pressing "SEL".
Set value
∗ 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
HRS Series
［MENU］
Press and
PV
hold
SV
［MENU］
Press and
hold
Table 5.18-2 List of set value
Explanation
Sets LOCAL mode.
(The operation panel operates and sets the
thermo-chiller.）
∗ 1
Sets DIO mode.
(The operation starts with contact input/output.)
∗ 2
Sets SERIAL mode.
(Serial communication performs
operation/setting.)
Chapter 5 Display and setting of various functions
［MENU］
Press and
hold
PV
SV
HRX-OM-M090
［MENU］
Press and
PV
SV
Initial value
(Default setting)
○
5.18 Communication function
]
hold
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