PPM 2240 PROcheck, Instruction Manual

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A1: Description of Interface 2240 PROcheck - Plant Control
a) Signals from Plant Control to 2240 PROcheck:
Description Code
Signal
24 V to Pin
No.
GND to
Pin No.
Action 2240 PROcheck
Plant ON CRON 13 10 Request for measurement
will be accepted if ready
for measuring
Request for measurement
on channel CHA1
MRQ1 12 10 starts measuring cycle on
channel CHA1
Pin 6+19 open
Request for measurement
on channel CHA2
MRQ2 24 10 starts measuring cycle on
channel CHA2
Pin 5+17 open
Request for measurement
on channel CHA3
MRQ3 11 10 starts measuring cycle on
channel CHA3
Pin 3+16 open
Alarm is acknowledged AQUIT 23 10 Alarm is reset
Pin 2+14 open
b) Signals from 2240 PROcheck to Plant Control:
(Contact configuration “NC”, see chapter 2.2.2)
Description Code
Signal
Output
Instrument. ready for
measurement
PMSR Pin 8+20 closed
Result on channel CHA1
is < main alarm
MOK1H Pin 6+19 closed
Result on channel CHA2
is < main alarm
MOK2H Pin 5+17 closed
Result on channel CHA3
is < main alarm
MOK3H Pin 3+16 closed
Result on channel CHA1
is < pre alarm
MOK1V Pin 6+18 closed
Result on channel CHA 2
is < pre alarm
MOK2V Pin 4+17 closed
Result on channel CHA3
is < pre alarm
MOK3V Pin 3+15 closed
Alarm or Failure ALARM Pin 2+14 closed
a4