Inficon Protec P3000, Перевод оригинального руководства по эксплуатации, Страница: 92 / 128

92
Equipment Connections
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).
Calibration
Starts a calibration process and also confirms to proceed with the calibration after the
signal from the test leak had enough time to stabilize and the sniffer tip has been
moved away from the test leak (see timing chart for calibration below).
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