SMC Networks HRR012-A*-20 Series Operation Manual page 6

HRX-OM-W004
Chapter 1 Read before using
Communication
mode
LOCAL
REMOTE
DIO
LOCAL
SERIAL
Run/Stop control with operation
display panel
Circulating fluid discharge temperature
setting control with operation display panel
Except above with operation display panel
Condition reading with operation
display panel
Run/Stop operation by contact input/output
communication
Condition reading by contact input/output
communication
Reading of the external switch
Run/Stop operation by serial
communication.
Circulating fluid discharge temperature
setting control by serial communication.
Condition reading by serial
communication.
∗1 Only one external switch can be installed.
1.1 Communication mode and operation method
1-2
Table 1.1-1 Communication modes.
Explanation
Run / stop and circulating
fluid temperature setting are
possible with the operation
panel.
Run / stop with contact
input,
and set circulating fluid
temperature on the
operation
panel.
Run / stop with the operation
panel or contact input.
Set the circulating fluid
temperature on the
operation
panel.
Run / stop and circulating
fluid temperature setting are
possible with the serial
communication
Table 1.1-2 Communication mode and operation
Setting
Select contact input signal
function 1 selection to "OFF"
(initial setting) / "SW".
Select contact input signal
function 1 selection as
"RN.ST" / "RUN".
When the operation of the
contact input signal function 1
is selected as "MT" in the state
of DIO REMOTE, it becomes
"DIO LOCAL"
When serial remote instruction is
valid, this mode is switched.
DIO
LOCAL
DIO
LOCAL
○ ○
○ ○
○ ○
○ ○
× ○
○ ○
○ ○∗1
× ×
× ×
○ ○
Display
None
RMT
Lamp
Lighting
up
RMT
Lamp
Lighting
up
RMT
Lamp
Lighting
up
SERIAL
DIO
REMOTE
× ○
○ ×
○ ○
○ ○
○ ×
○ ○
○∗1 ○
× ○
× ○
○ ○
HRR Series