Pixsys ATR224, User Manual, Page: 32 / 37

32 - ATR224 - DRR224 - User manual
12.h
Lower deviation alarm (par. 123
AL.1.F.
=
Lo.dev.
)
Command Spv
Time
Hysteresis parameter

> 0
Pv
Alarm Spv
Alarm output
OFF OFF
ON ON
Lower deviation alarm value of alarm setpoint greater than “0” and
hysteresis value greater than “0” (Par.128
A.1.HY.
> 0).
NB : with hysteresis value less than “0” (
A.1.HY.
< 0) the dotted line
moves under the alarm setpoint.
Command Spv
Time
Hysteresis parameter
 > 0
Pv
Alarm Spv
Alarm output
OFF OFF
ON ON
Lower deviation alarm value of alarm setpoint less than “0” and
hysteresis value greater than “0” (Par.128
A.1.HY.
> 0).
NB : with hysteresis value less than “0” (
A.1.HY.
< 0) the dotted line
moves under the alarm setpoint.
12.1 Alarms label
By setting a value from 1 to 20 on the parameters 136
A.1.Lb.
and 154
A.2.Lb.
, the display 2 will show
one of the following messages in case of alarm:
Selection Message displayed in the alarm event
1
...
2
alarm 1 ... 2
7
open door
8
closed door
9
light on
10
light off
11
warning
12
waiting
13
high limit
Selection Message displayed in the alarm event
14
low limit
15
external alarm
16
temperature alarm
17
pressure alarm
18
fan command
19
cooling
20
operating
By setting 0, no message will be displayed. While setting 21, the user will have up to 23 characters
available to customize his message via the “MyPyxsys” App or via modbus.
13 Table of Anomaly Signals
If installation malfunctions, the controller switches off the regulation output and reports the anomaly
noticed. For example, controller will report failure of a connected thermocouple visualizing
e-05
(flashing) flashing on display. For other signals see table below.
Cause What to do
E-02
SYSTEM
Error
Cold junction temperature sensor failure or
environment temperature out of range
Call assistance
E-04
eeprom
Error
Incorrect configuration data.
Possible loss of instrument calibration
Verify that configuration parameters are
correct.
E-05
PRobe 1
Error
Sensor connected to AI1 broken or
temperature out of range
Control connection with probes and their
integrity.
E-08
SYSTEM
Error
Missing calibration Call assistance
E-80
rfid
Error
Tag rfid malfunctioning Call assistance