
Commissioning
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Installation and starting instruction manual
SYCLOPE TRACE’O
®
d)
Potentiometric entries module (2x mV & 1x 4…20mA)
The main and auxiliary potentiometric entries are isolated ! (E1 &E2).
The last passive entry is not isolated (E3).
Please use a shielded cable connected as bellow:
Entry
+ : Hot wire of the shielded cable
Entry
- : Guard of the shielded cable
e)
Connecting a 4…20mA « Active » sensor
E1 and E2 entries cannot be used with an « active » sensor when isolated !
Normally, the E1 and E2 entries are powered and E3 entry is passive (No power generated).
When connecting an active sensor (power generated by another source, the wiring must be
executed as bellow:
When using an « active » sensor:
+
of the active output (sensor)
⇔
-
to the entry (E1, E2 or E3)
-
of the active output (sensor)
⇔
-
of the internal power supply (+Ref-)
pH or REDOX sensor
Hot point to the left
pH or REDOX sensor
Hot point to the left