Connecting Diagram; Operating Structure - PMA TB 40 Mode D'emploi

CONNECTING DIAGRAM

OPERATING STRUCTURE

Initialization (INIT)
After supply voltage switch-on, the instrument is initialized and starts functioning at
operating level. In order to prevent faulty function before settlement of input circuits,
the functions are delayed by approx. 15 s after switch-on or re-configuration (
this time, the relays are de-energized. This means an interruption of the energy supply
and a alert alarm at relay 3.
Access to the instrument levels and limit value adjustment
1
=operating level
GW
= limit value
LOCK
= S.I.L. switch LOCK
Mains
Alert alarm
Relay 1
Logic
output
2
=parameter level
X
=process value
Earth terminal
Voltage
Current
Input Pt 100
Thermocouple
3
=configuration level
TIMEOUT
after
Con1
= Configuration word
Reset
E
=end of access
= modification effective
*
). During
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