Error Messages; Operating Level - PMA Digital 280 Mode D'emploi

ERROR MESSAGES

With certain process conditions, a message is displayed.
Measured value display
FbF

OPERATING LEVEL

Normally, the standard measurement value is displayed. One reaches the display of the
alarm parameters by pressing the key M in the operating level:
The alarm parameters are available only if the corresponding alarm function is
configured and the parameter is not switched off ( ----).The alarm values can be
adjusted directly by pressing keys DI following conditions:
Condition:
q
d2 =open or
q
Con3
= 0xxx and d2 closed, i.e. parameter level is locked.
g
After 30 s timeout the measuring value is displayed again !
BLOCKING THE FRONT PANEL OPERATION
We recommend blocking the front panel operation after configuration/parameter setting
[link across terminals 9 and 10 (d2); Con3 is not 0xxx ; the yellow LED R is lit].
Thereby, the configuration/parameter setting can be displayed.
If modification of the alarm limit values shall remain permissible at the operating level,
blocking only the transmission to parameter setting/configuration level is possible. For
this, adjust Con3=0xxx and activate the link across terminals 9 and 10 (d2). In this
case, the yellow LED R remains off.
ALARM LATCH (* optional)
Once occurred an alarm is not cancelled automatically when the measuring value is
within the limits again. This status is indicated by flashing of the associated alarm LED.
The alarm must be acknowledged!
The acknowledgement is dependent of configuration.
This configuration is done with Con4(r configuration level 3). Accordingly, the
acknowledgment is done by pressing keys M+I or via control input "d1", i.e. contact
closed.
+ With the indicator in REMOTE - mode acknowledge is possible only via control
input "d1" , i.e. Con4 = 00x2 is prerequisite.
4
Process conditions
Sensor break ; Wrong polarity of thermocouple; Pt 100 short-circuited;
Currant lower than 2 mA
9499-040-47801