Pixsys DRR227, Руководство пользователя

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26 - DRR227 - User manual
Lower Deviation Alarm (
L.d.aL.
selection)
1
Pv
Comand Spv
Alarm Spv
Off Off
On On
Hysteresis
parameter

> 0
Time
Alarm
output
Alarm Spv
Lower deviation alarm value of alarm
setpoint greater than “0” and hysteresis
value greater than “0” (Par.29
A.1.HY.
> 0).**
2
Pv
Comand Spv
Alarm Spv
Off Off
Hysteresis
parameter

> 0
Time
Alarm
output
Comand Spv Comand Spv Comand Spv Comand Spv
Alarm Spv Alarm Spv
Lower deviation alarm value of alarm
setpoint less than “0” and hysteresis
value greater than “0” (Par.29
A.1.HY.
> 0).**
** a) The example refers to alarm 1; the function can also be enabled for alarm 2 .b) With hysteresis value less
than “0” (
A.1.HY.
< 0) the dotted line moves over the alarm setpoint.
11 Table of Anomaly Signals
If installation malfunctions, controller will switch off regulation output and report
the anomaly. For example, controller will report failure of a connected thermocouple
visualizing
e-05
(fl ashing) on display 1 and
prb.
(sensor) on display 2. For other signals,
see table below.
Cause What to do
E-01
EEP.E
Error in EEPROM cell programming Call Assistance
E-02
SYS.E
Cold junction sensor fault or room
temperature outside of allowed limits Call Assistance
E-03
MEM.E
Error in Memory card programming Repeat Memory card programming
E-04
EEP.E
Incorrect confi guration data.
Possible loss of calibration values
Check if the confi guration parame-
ters are correct
E-05
prb.
Thermocouple open or temperature
outside of limits
Check the connection with the
sensors and their integrity
E-08
SYS.E
Missing calibration data Call Assistance