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MODELS P531, P532 AND P532UI OPERATING MANUAL
Electrical - Model P531 AC, P532 AC
Primary Input Power
Battery Backup Voltage
Electrical - Model P531 DC, P532 DC
Primary Input Power
Battery Backup Voltage
Power
Outputs
Flame Relay
Self-Check Relay
Contact Rating
Alarm Relays
Contact Rating
Analog Flame Signal
Power To Viewing heads
24v output
Inputs
Isolated Select
Aux Mode
Viewing head Signal (for 55x and 70x)
Serial Communications
RS-422 / 4 wire (two twisted pair)
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SPECIFICATIONS
Models P531, P532 and P532 UI
85 – 264 VAC, 47-63 Hz
24 VDC (voltage above 24 volt will be the power source)
24 VDC
24 VDC (power source is taken from the highest voltage)
(DC unit tested at 100 ms sampling time)
13.2 Watts max. Average (including 3 viewing heads)
16.2 Watts max. Peak (including 3 heads in normal operation)
3 channels of 2 Form C Contacts (DPDT)
1 channel of 1 Form C Contact (SPDT)
5A at 32 VDC and at 250 VAC
3 channels of 1 Form A Contact (SPST-N.O.)
2 A at maximum 250 VDC or 230 VAC
0 – 20 mA or 4 – 20 mA 1000 ohm maximum resistance
100 mA (maximum average)
24 VDC (rated)
Current limited to 200 mA
24-volt output 50 mA
For Instrumentation use only
Provided for use with Isolated Select inputs
7.5 – 30 VDC
Input Resistance 3900 ohm
Connect to ground only (WARNING: do not apply Power)
Sources 1 mA at 5 VDC
26-Volt P-P Maximum, 1 MA
Baud
Parity
Protocol
38400, 19200, 9600 or 4800
None, Even or Odd
Modbus (RTU)
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