Dwyer Mark User Manual
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Figure 11: Intrinsically Safe wiring for potentiometer output. Refer to proper switch figure if unit has switches as well.
TERMINAL 3
SEE WIRING SCHEMATIC
TERMINAL 2
SEE WIRING SCHEMATIC
TERMINAL 1
SEE WIRING
SCHEMATIC
WIRING SCHEMATIC
SPAN ADJUSTMENT
POTENTIOMETER
BYPASS
BY OTHERS
I.S. BARRIER
I.S. BARRIER
J2
3
2
1
5
VDC
Figure 9: Wiring for switch types B, C, I, R, V, and W.
1, 2, 4, or 6 switches. Switch types B and I have “+”
and “-” terminals.
SW 6
ABOVE 5TH
SWITCH
SW 5
ABOVE 4TH
SWITCH
SW 4
ABOVE 3RD
SWITCH
SW 3
ABOVE 2ND
SWITCH
SW 2
ABOVE 1ST
SWITCH
SW 1
BOTTOM
SWITCH
USE CONNECTOR SUPPLIED WITH SWITCH ONLY.
MAKE SURE CONNECTOR IS PUSHED ON ALL
THE WAY TO ASSURE A TIGHT CONNECTION.
Figure 10: Wiring for potentiometer and transmitter
outputs with switches. Refer to note at bottom of page 5
for switch details.
POTENTIOMETER
TRANSMITTER
C
BR
NO
BRN NC
BRN
C
WHTNO
WHTNC
WHT
C
BLK NO
BLK NC
BLK
C
REDNO
RED
NC
RED
SW 1
BOTTOM
SWITCH
SW 2
ABOVE 1ST
SWITCH
SW 3
ABOVE 2ND
SWITCH
SW 4
TOP
SWITCH
1
2
3