marposs P3UP - Page 38

Installation and User Manual
38
I/O signal connections
TERMINAL
N.
SIGNAL I/O DESCRIPTION
16
INPUT COMMON
In
The input circuits drive voltage supply must be applied between
this terminal (inputs common) and each individual terminal in use
(via a micro-switch or similar device).
15
-START CYCLE
In
The Start Cycle signal is connected to this terminal Remove the
power supply to this terminal to enable measurement system
during working cycle.
7
MEMORY
CONTROL
In
The update memory signal is connected to this terminal; it is used
when there is an analogue memory card installed on the system.
14
HEAD
RETRACTION
In
The retraction signal is connected to this terminal; it is used when
the measurement heads retraction circuit is installed. Connect the
power supply to this terminal to retract the measurement heads.
4, 5, 6, 12,
13
n.c.
- Not used.
9
OUTPUTS
COMMON
Out
The output signals can be monitored by connecting the external
loads (relays or other compatible input devices) between one pole
of the power supply and each individual terminal in use. The other
pole of the power supply must be connected to this terminal
(outputs common).
1
C0
Out The zero command (C0) signal is connected to this terminal.
2
C1
Out
The first command (C1) signal is connected to this terminal; the
first command may be replaced by other functions.
10
C2
Out
The second command (C2) s
ignal is connected to this terminal;
the second command may be replaced by other functions.
11
C3
Out
The third command (C3) signal is connected to this terminal; the
third command may be replaced by other functions.
3
AUTO
Out The automatic signal is connected to this terminal.
8
+24 Vnst
There is an unstabilised 24 V d.c. voltage present on this terminal.
[
N.B.
For a list the functions present on your model, consult the I/O list supplied with the unit.
Some pins may not be present, depending on the specific model.
H1 connector pin-out