Tabla de contenido
Idiomas disponibles
Idiomas disponibles
No.
Type
Terminal
20
Start
IN
21
22
Stop
IN
23
24
IN1
IN
25
26
IN2
IN
27
┴
28
OUT
OUT
29
Connecting the inputs and outputs
®
Testomat 2000
PO4 has the following connections for control and
monitoring functions.
Do not connect an external voltage to these connections!
Ensure that the leads are held securely in the terminals.
Use the two fastening screws to close the upper door once
installation has been completed.
Function
External analysis start
common earth for inputs
External analysis stop
common earth for inputs
Universal input 1
common earth for inputs
Universal input 2 (water meter)
common earth for inputs
Earth
0/4 - 20 mA galvanically separated
or serial interface RS232
For more information, please refer to the section entitled "Description
of the signal inputs/outputs".
Installation
Comment
Only connect isolated
normally open contact!
Only connect isolated
normally closed/open
contact!
Only connect isolated
normally closed/open
contact!
Only connect isolated
normally open contact!
Earth = ┴
28 = (+) or (TxD)
29 = (-) or (RxD)
17
Tabla de contenido
