Electrical Connections Electrical Connections; Measuring Inputs - Eliwell EWTQ925 Bedienungsanleitung

2. 2. 2. 2. 2. ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS
Connections are to be made with the instrument
housing installed in its proper location.
Fig. 2 REAR TERMINAL BLOCK

MEASURING INPUTS

MEASURING INPUTS MEASURING INPUTS
MEASURING INPUTS MEASURING INPUTS
NOTE NOTE NOTE NOTE NOTE: Any external components (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.
TC INPUT TC INPUT TC INPUT
TC INPUT TC INPUT
9
+
_
10
9
+
_
10
Fig. 3 THERMOCOUPLE CONNECTION
NOTES NOTES NOTES: NOTES NOTES
1) Do not run input wires together with power
line cables.
2) For TC wiring use proper compensating cable
preferably shielded.
3) When a shielded cable is used, it should be
connected at one point only.
G B G B G B G B G B
2
Shield
Shield