Testomat EVO TH CAL - Connect Inputs and Outputs

Assembly
21
Connect inputs and outputs
The Testomat
®
EVO TH CAL device has the following sockets for
control and monitoring functions. Proceed as follows for connection:
 Loosen the strain relief of the cable ducting (union nut).
 Take out the blanking plugs of the corresponding cable ductings.
 Push through the cable of the component.
 Tighten the union nut of the cable ducting and so establish the
strain relief.
 Re-secure the upper door after installation with both fixing screws.
Correct connection of the inputs and outputs
 Do not expose the connections to any external voltage!
 Ensure that the cores in the terminals are securely in place
Incorrect connections will damage the device!
A detailed description is included in "Description of signal in-
puts/outputs".
No.
Terminal
designation
Typ
e
Function
Note
13
14
Out +
Out -
OUT
Current loop 0/4 - 20 mA
Galvanically isolated
15
16
Ext. Ack.
(external
acknowledge
)
IN
External reset / acknowledgment input
port for error and alarms
Break contact/closing
contact programmable;
only connect isolated
break contact/closing
contact
17
18
WM
(watermeter)
IN
Water meter intake
Common ground for inputs
Only connect isolated
break contact/closing
contact or observe the
technical data of the me-
ter!
19
20
Stop
IN
External disruption of analysis
Common ground for inputs
Only connect isolated
break contacts/closing
contacts!
CAUTION
!