![Eltroplan PROTEM D 404 Product Manual Download Page 35](http://html.mh-extra.com/html/eltroplan/protem-d-404/protem-d-404_product-manual_2397449035.webp)
PROTEM
®
D 404
35
5.1 Terminal occupation of the test plug
The following list shows the connection of the 25-Sub-D connector of the test plug.
Test plug:
Pin 1
-
not connected
Pin 2
-
TXD RS 232 Interface
Pin 3
-
RXD RS 232 Interface
Pin 4
-
not connected
Pin 5
-
not connected
Pin 6
-
not connected
Pin 7
-
GND RS232 Interface
Pin 8
-
Connection 2 Sensor 1
Pin 9
-
Connection 1 Sensor 2
Pin 10
-
Connection 3 Sensor 2
Pin 11
-
Connection 2 Sensor 3
Pin 12
-
Connection 1 Sensor 4
Pin 13
-
Connection 3 Sensor 4
Pin 14
-
not connected
Pin 15
-
minus pole current output
Pin 16
-
plus pole current output
Pin 17
-
not connected
Pin 18
-
not connected
Pin 19
-
not connected
Pin 20
-
Connection 1 Sensor 1
Pin 21
-
Connection 3 Sensor 1
Pin 22
-
Connection 2 Sensor 2
Pin 23
-
Connection 1 Sensor 3
Pin 24
-
Connection 3 Sensor 3
Pin 25
-
Connection 2 Sensor 4
Remark:
the current output is not related to ground and it is only allowed to use it with a shunt
resistor
100
or with a magnet moving coil instrument ( I
max
= 20mA at U
max
= 2V)!