SMC Networks HRSH200-A*-20 Series - Page 128

HRX-OM-Q026-B
Chapter 5 Display and setting of various functions
5.21 Communication function HRSH Series
5-68
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
PV
SV
PV
SV
PV
SV
PV
SV
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
［MENU］
Press and
hold
［MENU］
Press and
hold
［MENU］
Press and
hold
［MENU］
Press and
hold
［MENU］
Press and
hold