Dwyer Mark User Manual
Page 23
22
Figure 5: Wiring for switch type D. 1, 2, or 4 switches.
Figure 6: Intrinsically Safe wiring for switch type D. 1,
2, or 4 switches.
C
NO
NC
C
NO
NC
SWITCH 4
TOP SWITCH
C
NO
NC
C
NO
NC
SWITCH 3
ABOVE 2ND SWITCH
C
NO
NC
C
NO
NC
SWITCH 2
ABOVE 1ST SWITCH
C
NO
NC
C
NO
NC
SWITCH 1
BOTTOM SWITCH
SWITCH 3
SWITCH 1
SWITCH 4
SWITCH 2
C
NO
NC
C
NO
NC
SWITCH 4
TOP SWITCH
C
NO
NC
C
NO
NC
SWITCH 3
ABOVE 2ND SWITCH
C
NO
NC
C
NO
NC
SWITCH 2
ABOVE 1ST SWITCH
C
NO
NC
C
NO
NC
SWITCH 1
BOTTOM SWITCH
INTRINSICALLY
SAFE BARRIERS
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