Zeta Classic 2000 MKII Installation And Operation Manual page 31

Zeta Alarm Systems.
2 . 5 I n s t a l l i n g S L C D e v i c e s
Single Open Single Ground
on Loop on the Loop
(1) Trouble (2) Alarm
Capability,
Trouble
Alarm
Capability, Capability,
Trouble Trouble
Alarm
Capability, Capability,
Trouble Trouble
Notes:
1. Trouble indicates a trouble signal will be generated at the control unit display during the abnor-
mal condition.
2. Alarm Capability indicates an alarm signal can be transmitted to the control unit during the
abnormal condition.
3. Loop operation meeting Style 7 requirements isolates entire physical zones on the communi-
cations loop from faults that occur within other areas of the loop.
4. Refer to the installation drawings supplied with each SLC device for rating and specification
information.
Revision 1.0
Communications Loop Performance Chart
Fault Condition
Shorted Loop
Style 4 (two-wire) Loop Operation
(meets NFPA 72 Style 4 requirements)
Trouble
Style 6 (four-wire) Loop Operation
(meets NFPA 72 Style 6 requirements)
Alarm Trouble
(3) Style 7 (four-wire) Loop Operation
(meets NFPA 72 Style 7 requirements)
Alarm Alarm
Capability,
Trouble
Part # MAN-Z3K-01
Classic 2000 Mk II Operation Manual
Loop Shorted Loop Shorted
and Opened and Grounded
Trouble Trouble
Trouble Trouble
Trouble Alarm
Capability,
Trouble
Loop Opened
and Grounded
Trouble
Alarm
Capability,
Trouble
Alarm
Capability,
Trouble
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