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Arbiter Systems 1092A User Manual

Arbiter Systems 1092A
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2.3 Rear Panel Identification and Connectors 9
2.3.5 Form C, Relay Contacts Option 93
Optional Form C relay contacts provide contact closure for an out-of-lock condition, or loss of inlet
power. Installing Option 93 gives the Model 1092A/B/C and Model 1093A/B/C one set of Form
C relay contacts with three contact points labeled ERR (Normally Closed), OK (Normally Open)
and COM; “Normally” refers to the clock in the powered OFF state (illustrated in Figure 2.8).
The information below gives the contact states for two situations: (1) faulted (including power off)
and, (2) not faulted.
1. Faulted, or Power OFF ERR to COM is shorted, OK to COM is open.
2. Not Faulted and Power On ERR to COM is open, OK to COM shorted.
Failsafe
Essentially “Failsafe” mode occurs in the event of a power loss, and the Form C relay contacts are
faulted.
For additional information on Option 93, including specifications, see Chapter 9, Relay Contacts
and Event Inputs and the Options List in Section C.19.
Figure 2.8: Relay Contact Connector
LOCK
ERR OK COM
2.3.6 Standard Inputs/Outputs
Figure 2.9 illustrates the timing output connector for three separate timing signals: unmodulated
IRIG-B, modulated IRIG-B and 1 Pulse Per Second (PPS). Viewed from the rear panel, they
are labeled IRIG-B UNMOD, IRIG-B MOD
1
, 1 PPS from left to right. Multiple devices may be
connected in parallel from a single output connector. For more information concerning how to
connect timing outputsv11, see Chapter 8, Timing, IRIG-B and Pulses.
Figure 2.9: Standard Input/Output Connectors
IRIG-B IRIG-B 1PPS
UNMOD MOD
1
Main board requires Option 92 for modulated IRIG-B.

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Arbiter Systems 1092A Specifications

General IconGeneral
BrandArbiter Systems
Model1092A
CategoryMeasuring Instruments
LanguageEnglish

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