Pin assignment of the interface
15 Using the parallel (I/O) inter-
face
A wide range of devices can be connected to
the 25-pin interface – programmable controllers,
displays, footswitches, recording instruments, ...
Connectable devices can either control Millimar
functions or be controlled by Millimar. The
Millimar can also be used purely for data storage
or output. Millimar has three digital control in-
puts, three digital control outputs, and (Millimar
C 1216/C 1240 only!) one analog output to allow
the instrument to be connected to such devices.
The 3 Millimar digital control outputs can be used
to output signals (e.g. when tolerance limits are
exceeded) to control units or external displays.
The function/significance of the 3 output signals
can be adapted to suit the measuring task using
several modes (0, 1, 2, 3, 4, 5).
The 3 digital control inputs enable various
Millimar functions to be activated. The alloca-
tion of the 3 inputs to specific functions can be
adapted to suit to the measuring task using sev-
eral modes (0, 1, 2, 3, 4).
If the digital control inputs and outputs are not
needed, MODE 0 should be selected in each
case.
Recording instruments, devices with analog/digi-
tal converters or control units with analog input
can be connected via the analog output (C 1216/
C 1240 only!).
Pin Desig. Function
1 — do not assign
2 — do not assign
3 — do not assign
4 GND Ground connection
5 IN-3 opt. input E3 (+)
6 IN-3 opt. input E3 (-)
7 V
out
Internal power supply
+9 V, max. 100 mA
8 IN-2 opt. input E2 (+)
9 IN-2 opt. input E2 (-)
10 — not assigned
11 IN-1 opt. input E1 (+)
12 IN-1 opt. input E1 (-)
13 Analog out analog output*
14 AGND anlalog ground
15 — not assigned
16 — not assigned
17 — not assigned
18 — not assigned
19 — not assigned
20 OUT-3 opt. output A3 (+)
21 OUT-3 opt. output A3 (-)
22 OUT-2 opt. output A2 (+)
23 OUT-2 opt. output A2 (-)
24 OUT-1 opt. output A1 (+)
25 OUT-1 opt. output A1 (-)
* only C 1216/C 1240 instruments=
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