Installation, Operation & Maintenance Parksafe Gas Detector
Rev: 11 0421
7
Detector ID Switches
When wiring multiple detectors it is important to identify each detector installed for
the control panel to receive and display accurate data corresponding with the
correct device.
The ID configuration diagram is printed onto detector boards for quick
reference as shown opposite. All detectors are factory set to ID1.
We recommend a plan, map and/or marking the detector enclosures detailing ID and location!
ID Switches must be configured for each detector connected to receive and display accurate data!
120ohm Termination Resistance
Signal communication issues may occur where the bus length is too long, high baud
rates are used or signal reflections are occurring. To avoid this, terminating at each end
of a chain may help the quality of the data signal by turning on the 120-ohm terminal
resistor switch.
If a split chain is used, terminate the last detector in each chain.
If a single chain is used, terminate the first device (Panel) and last device (Detector).
Split chain Single chain
Quick Circuit Test
When the test button on the detector board is pressed and held – the detector will simulate an open circuit to ensure
all configured systems, outputs, alarms, indications and other external devices operate as intended in response to
gas. When the test button is released – the test sequence will terminate and return to normal operation.
