Super Systems AC20 - Manual (Page 6)

4
A) PROBE SENSOR INPUT (MAIN INPUT) A) PROBE SENSOR INPUT (MAIN INPUT) A) PROBE SENSOR INPUT (MAIN INPUT) A) PROBE SENSOR INPUT (MAIN INPUT) A) PROBE SENSOR INPUT (MAIN INPUT)
Fig. 4 MAIN INPUT WIRING
NOTES
NOTES NOTES NOTES NOTES:
1) This input is isolated from others measuring inputs
and digital inputs.
2) Don’t run input wires together with power cables.
3) When a shielded cable is used, it should be connected at
one point only.
CONNECTIONS CONNECTIONS CONNECTIONS CONNECTIONS CONNECTIONS
Connections are to be made when the instrument housing is
installed in its proper location.
MEASURING INPUTS MEASURING INPUTS MEASURING INPUTS MEASURING INPUTS MEASURING INPUTS
NOTE
NOTE NOTE NOTE NOTE: Any external component (like zener barriers etc.)
connected between sensor and input terminals may cause errors
in measurement due to excessive and/or not balanced line
resistance or possible leakage currents.
Shield
_
+
13
12
+
_
G
12
13
Sensor
Sensor