Figure 26 Voltage Chart - Simplex 4100 Installation Manual

SIMPLEX 4100 EWIS
INSTALLATION MANUAL
MONITOR
CIRCUIT
SIGNAL
CIRCUIT
SUPERVISED
ANNUNCIATOR
10. Verify the ground status of the system by connecting the negative (black) lead
of a voltmeter to the Earth Ground and connect the positive (red) lead of the
voltmeter to the positive (+) terminal of the 24V DC supply and check for the
following readings:
Voltage Reading
12-14V DC
6-12V DC
15-21V DC
Document No.: 4100-M011
28 VDC 6-18 VDC
28 VDC 28 VDC
28 VDC
7 VDC 28 VDC
28 VDC
0 VDC 28 VDC
16 VDC 28 VDC
28 VDC 25 VDC
28 VDC 0 VDC Pulsing
0 VDC
28 VDC

Figure 26 Voltage Chart

Circuit Status
Normal
Partial Negative Ground
Partial Positive Ground
March 1998
Current Limited Alarm
Short Circuit Alarm
0 VDC Open Circuit
Normal Circuit
0 VDC Alarm Condition
Open Circuit
Installed Reverse
Polarity
Normal Circuit
Alarm Condition
0 VDC Lost Annunciation
Common
0 VDC Open Circuit
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