Page 66 - M1-12 Ops Manual McMurdo 2016

NO C OUT1
RTD
LINEAR- - SSR
IN CT/SP-SP2
PWR LINE 100/240VAC
C B/B’
RS 485 NO C
OUT3 OUT2/3
A/ A’
NO OUT2
CONNECTION DIAGRAMS
A) MEASURING INPUTS
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.
Connections are to be made with the instrument housing installed in its proper location.
6 + 11 1 7 12 2 8 13 3
+ 10 _9
9 14 4 T/C
+ 10 _9
10 + 15 5
Fig. 3 REAR TERMINAL BLOCK
1604-1-BC.p65 3
5/16/00, 10:25 AM
3
TC INPUT
Fig. 4 THERMOCOUPLE INPUT WIRING NOTE:
1) 2) 3)
Don’t run input wires together with power ca- bles.
For TC wiring use proper compensating cable preferable shielded.
When a shielded cable is used, it should be connected at one point only.
Shield
Shield