SMC Networks HRR012-A*-20 Series Operation Manual

HRX-OM-W004
Chapter 4 Communication alarm function
4.2 Communication alarm reset HRR Series
4-2
4.2 Communication alarm reset
When AL29 communication error has been generated, the alarm is
automatically reset when the disconnection of the communication cable is
fixed, and the message from the customer is received. If operation is set to
stop when a communication alarm occurs, restart the operation if necessary.
This productYour system
Write or read
Write or read
60 sec.
60 sec.
60 sec.
Broken
wire
o
r
coming
of
f
A
L29 Communication
error is generated.
Monitoring
time
Monitoring
time
Normal
connection
Communication erro
r
automatic restoration
Write or read
60 sec.
：
：
Fig 4.2-1 Communication alarm restoration example
4.3 Setting and checking
4.3.1 Setting and checking items
The table below explains the setting items of the communication alarm
function and default values.
Table
4.3-1 Communication error setting item
Initial value Select/setting range
TOP
screen
－
AL.ST
－
MENU
－－
No.24
screen
Changing of
「
AL29
：
Communication error alarm
」
WRN OFF/WRN/FLT COMM
⇒
ALARM
－
Set the operation when "AL29: Communication
error alarm"is generated.
No.25
screen
Detection time for
「
AL29
：
Communication error alarm
」
30 1
～
600 COMM
⇒
TIME SEC
Set the alarm monitoring time when"AL29:
Communication error alarm"is generated.Alarm
signal is generated when the monitoring time is
exceeded.
Screen
No.
Ite m
Display unit
Unit
display
ContentsUpper stage
（
White
）
Lower stage
（
Green
）

SMC Networks HRR012-A*-20 Series Specifications

General

Brand	SMC Networks
Model	HRR012-A*-20 Series
Category	Chiller
Language	English