RM7800 SERIES EC7810A, EC7820A BỘ ĐIỀU KHIỂN ĐẦU ĐỐT

FEATURES
• Safety features:
— Interlock check.
— Closed loop logic test.
— Dynamic AMPLI-CHECK™.
— Dynamic input check.
— Dynamic safety relay test.
— Dynamic self-check logic.
— Expanded safe-start check.
— Internal hardware status monitoring.
— Low Fire Start Switch test.
— Tamper resistant timing and logic.
• Ignition attempts: 1 or 5. Selectable by model numbers.
• First-out annunciation and system diagnostics provided by a
2 row by 20 column Vacuum Fluorescent Display (VFD) located on the Keyboard Display Module. Text readout for this unique Keyboard Display Module is available in English, Spanish, Portuguese, French, German and Italian languages.
• Access for external electrical voltage checks.
• Application flexibility.
• Dependable, long-term operation provided by microcomputer
technology.
• Five sequence information Light Emitting Diodes (LEDs)—
Power, Pilot, Flame, Main, Alarm (see Figure 17).
• Five function Run/Test Switch.
• Interchangeable plug-in flame amplifiers.
• Nonvolatile memory for retaining history files and
sequencing status after loss of power.
• Remote mounting of the Keyboard Display Module (subject to
application approval).
• Remote reset (subject to application approval).
• Burner controller data available on the Keyboard Display
Module:
— Sequence status.
— Sequence time.
— Hold status.
— Lockout/alarm status.
— Flame signal strength.
— Total cycles of operation.
— Total hours of operation.
— Fault history of six most recent faults:
– Cycles of operation at time of fault.
– Fault message and code.
– Hours of operation at time of fault.
– Sequence status at time of fault.
– Sequence time at time of fault.
— Diagnostic information:
– Device type.
– Flame amplifier type.
– Flame failure response time.
– Manufacturing code.
– On/Off status of all digital inputs and outputs.
– Selected prepurge time.
– Software revision and version of Relay Module and Keyboard
Display Module.
– Status of configuration jumpers.
– Status of Run/Test Switch.