INFICON Protec P3000(XL) Helium Leak Detector - Manual (Page 100)

6-2
Equipment Connections
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26
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20
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6.1.1 Ground connectors
Pin 2, 3, 18, 19 and 21 are ground connectors.
6.1.2 24V Output
Pin 6 is a +24 V common output for supplying the PLC inputs and outputs, internally
protected with fuse F4.
6.1.3 PLC Inputs
These inputs can be used to control the Protec P3000 via a programmable logic
control (PLC).
Technical data
Pin assignment (default)
All PLC inputs can be defined by the user from a list of commands. The commands
can be selected in the
SETTINGS / INTERFACES / SELECT PLC INPUTS submenu. For
details on this submenu please refer to Section 4.4.4. The currently selected
commands can be viewed on INFO page #7.
Standby
Change from LOW to HIGH to activate STANDBY function.
Change from HIGH to LOW to deactivate STANDBY function (wake up).
Caution
Permissible maximum input voltage 28 V.
24V nominal input
Low level: 0 …7 V
High level: 13 … 28 V
Pin Default Command
7 Standby
8 Clear Error
9 Calibration Abort
13 Calibration
20 Zero
25 Not used