Specifications - Honeywell 7800 Series Installation Instructions Manual

RM7888A 7800 SERIES RELAY MODULE
FEATURES
• Safety features:
— Closed loop logic test.
— Dynamic input check.
— Dynamic safety relay test.
— Dynamic self-check logic.
— Expanded safe-start check.
— Internal hardware status monitoring.
— Tamper resistant timing and logic.
• Access for external electrical voltage checks.
• Application flexibility.
• Communication interface capability using Modbus.
• First-out annunciation and system diagnostics are
provided by the optional Keyboard Display Module.
• Five sequence information LEDs.
• Interchangeable plug-in flame amplifiers.
• Local or remote annunciation of RM7888A operation
and fault information.
• Dependable, long-term operation provided by
microcomputer technology.
• Nonvolatile memory for retaining history files and
sequencing status after loss of power.
• Remote reset capability (optional).
• Burner controller data:
— Sequence status.
— Sequence time.
— Hold status.
— Lockout/alarm status.
— Flame signal strength.
— Expanded annunciator status.
— Total hours of operation.
— Total cycles of operation.
— Fault history of six most recent faults:
• Cycles of operation at the time of the fault.
• Expanded annunciator data at the time of the
fault.
• Fault message and code.
• Hours of operation at the time of the fault.
• Sequence status at the time of the fault.
• Sequence time at the time of the fault.
— Diagnostic information:
• Device type.
• Flame amplifier type.
• Flame failure response time.
• Manufacturing code.
• On/Off status of all line voltage digital inputs.
• Software revision and version of RM7888A via
S7800 Keyboard Display Module.
• Status of configuration jumpers.
32-00214—01

SPECIFICATIONS

Electrical Ratings (see Table 1):
Voltage and Frequency: 120 Vac (+10/-15%), 50/60 Hz
(±10%).
Keyboard Display Module: 13.0 Vdc peak full wave recti-
fied (+20/-15%).
Power Dissipation:
RM7888A: 10W maximum.
Display Module: 3W maximum.
Maximum Total Connected Load: 2000 VA.
Fusing: Total Connected Load: 20A maximum, type FRN or
equivalent.
Environmental Ratings:
Ambient Temperature:
Operating: -40° F to +140° F [-40° C to +60° C].
Storage: -40° F to + 150° F [-40° C to +66° C].
Humidity: 85% relative humidity continuous, noncon-
densing.
Vibration: 0.5G environment.
SIL 3 Capable:
SIL 3 Capable in a properly designed Safety Instrumented
System using Dynamic self check or amplicheck ampli-
fiers with the appropriate flame detector. See form
number 65-0312 for Certificate Agreement.
Dimensions: See Fig. 1
Weight:
RM7888A: 1 pound, 10 ounces [737 grams], unpacked.
Keyboard Display Module: 4 ounces [113 grams],
unpacked.
Approvals:
Underwriters Laboratories Inc. Listed: File No. MP268,
Vol. 30. UL 37260730-2-5 / CSA C22.2 No. 60730-
2-5.
Factory Mutual Approved: Report No. 1V9A0.AF.
Swiss Re (formerly Industrial Risk Insurers): Acceptable.
Federal Communications Commission: Part 15, Class
B, Emissions.
Exida: IEC 61508:2010 Parts 1-7, SIL 3 capable.
EAC Russia
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