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General| Type | Sound Level Meter |
|---|---|
| Input | Microphone |
| Display | LCD |
| Power | Battery |
| Resolution | 0.1dB |
| Power Supply | 9V battery |
| Measurement Range | 30 dB to 130 dB |
| Operating Temperature | 0°C to 40°C |
| Operating Humidity | 10% to 90% RH |
Details the SSM-LE series signal monitors, their functions, features, and NEMA compliance.
Details the EDI ECcom software for system interface, event logs, and signal sequence logs.
Explains FYA movement monitoring and its fault coverage for traffic signals.
Detects simultaneous active conflicting signals and triggers a fault.
Monitors for the absence of signal voltage on all inputs of a channel.
Monitors +24Vdc supplies and Controller Voltage Monitor (CVM) inputs.
Monitors the voltage of two +24Vdc cabinet supplies.
Monitors the Controller Unit Voltage Monitor (CVM) output.
Detects low AC LINE voltage and suspends fault monitoring.
Detects simultaneous active combinations of two signal inputs on a channel.
Verifies the Yellow Change interval meets the minimum clearance time.
Monitors an external watchdog output for changes in state.
Details the self-check diagnostic capabilities for correct operation.
Detects intermittent or pulsing faults that normal algorithms might miss.
Monitors traffic signal approaches using FYA movement, with fault conditions.
Details wiring and fault conditions for the basic FYA mode.
Explains wiring and fault conditions for the compact FYAc mode.
Describes the interface with ECcom software for status and event logs.
Describes how to program permissive or compatible channel configurations using wire jumpers.
Configuration of various unit options via front panel switches.
Specifies channel groups for Protected Green Arrows in FYA modes.
Details power requirements and AC/DC voltage monitor thresholds.
Specifies operating line voltage, frequency, and power consumption.
Lists NEMA and LEDguard voltage thresholds for signal detection.
Specifies dropout and restore voltage levels for power failure detection.
Lists fault and no-fault voltage levels for +24VDC monitors.
Details timing parameters for various fault conditions and operations.
Details the MS-A and MS-B connector pin terminations for the SSM-12LE.
Details the MS-A connector pin terminations for the SSM-6LE.
Details network parameter configuration for the Ethernet port.
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