Honeywell CM4 Technical Handbook page 112

CM4 Four-Point Continuous Monitor
A schematic of the circuit using the CM4 monitor's internal 24 VDC power supply is shown in Figure 10-2.
NO C NC NO C NC NO C NC
1 2
RY1 RY3
LEVEL 1 POINT ALARMS
!
REFER TO USER MANUAL
!
GENERAL ALARMS
LEVEL 1
RY2
NC C NO
Ground Lug
CM4 Technical Manual
PT. 1
T.B.
15
Figure 10-2: Using the CM4 Monitor Internal Power Supply
NO C NC NO C NC
3 4 1
RY5 RY7 RY9
WARNING
• FUSES BELOW FLAPS
EXTERNALLY APPLIED VOLTAGES MAY BE PRESENT AT ALARM TERMINAL BLOCK WITH
INSTRUMENT DISCONNECTED. DISCONNECT AT SOURCE PRIOR TO SERVICING.
LEVEL 2 MAINTENANCE
RY4 RY6
NC C NO NC C NO
PT. 2 PT. 3
T.B. T.B.
16 17
NO C NC NO C NC NO C NC
2 3 4
RY11 RY13 RY14
LEVEL 2 POINT ALARMS
• 2A 125 VAC MAX. CONTACT RATING
INSTRUMENT STATUS
FAULT WATCH DOG
RY8 RY10 RY12
NC C NO NC C NO NC C NO
Figure 10-3: CM4 I/O Panel
10-4
PT. 4
T.B.
18
CAUTION
REPLACE FUSES WITH SAME
TYPE AND RATING SPECIFIED
REMOTE INPUTS
N.O.
SW.
!
PT.1 PT.2 PT.3
TB
TB TB
15
16 17
PT.
1
2
TB20
TB19
3
TB
18
4
PT.4