Honeywell P520- Manual
Honeywell P520– Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – INSTALLATION; When Installing this Product...; Grounding and Shielding
- Page 3 – Card Frames
- Page 5 – Wiring the Viewing Head
- Page 6 – Power Supply; OPERATION
- Page 7 – Set Points
- Page 8 – Additional Set Points
- Page 9 – SETUP AND ADJUSTMENT; Sighting Adjustment
- Page 10 – TROUBLESHOOTING; Module Communications
- Page 16 – Automation and Control Solutions
USER MANUAL
Put Bar Code Here
66-2066-01
P520 Signal Processor
APPLICATION
The Honeywell P520 is a rack mounting signal processor that
is compatible with viewing heads in the S5XX and S55XB/BE
series. These include models S506, S509, S511 and S512,
and the advanced viewing head series models S550B/BE,
S552B/BE and S556B/BE. There is only one model of the
P520 available, which is DC powered. A rear backplane PC
Board is required for termination (order part number
REARPCB separately for initial installation).
FEATURES
• Rack mounted system, designed to conform to the DIN
41494 19 inch card frame system
• 3U high and 21HP wide, or 5.06 x 4.18 inches with a
length of 8.66 inches (220mm)
• Once rack mounted, together with a power supply and
appropriate viewing head makes up a complete flame
monitoring system
SPECIFICATIONS
Electrical Ratings
Input Power: 22 - 26VDC, 130mA (plus 100mA for each
Viewing Head.)
Battery Backup: 24VDC, 130mA (plus 100mA for each
Viewing Head.) Main Voltage > Battery Voltage
Ambient Temperature:
0°C to 52°C (32°F to 125°F) CSA Rating
0°C to 60°C (32°F to 140°F) FM Rating
Outputs:
Flame Relay: 2 Form C Contacts (DPDT)
Self-Checking Relay: 1 Form C Contact (SPDT)
Contact Ratings: 5A at 30 VDC, 125 VAC and 277 VAC
Max switching voltage 220Vdc, 250Vac
Analog Flame Signal: 0 to 19.8mA current output for
remote meters and 4 to 19.8mA output. (360 ohm max.
resistance.)
Power to Viewing Head:
+26VDC maximum, fused 0.25A (self-resetting)
+14.3VDC pulsing 0.2 seconds ON, 0.8 seconds OFF
Inputs:
Channel Select (Isolated Input):
7.5-30VDC range
Input resistance 3900 ohms
26VDC maximum, 6.4mA
10VDC, 2.3mA
Flame Signal from Viewing Head (Isolated Input):
7.5-30VDC range
Input resistance 3900 ohms
13.6VDC, 3.2mA
Serial Communications:
RS-422 (Differential)
4800 or 9600 baud (user selected)
4 wire / 2 twisted pair
Cable (between viewing head and signal processor):
4 conductor, #16 AWG or #18 AWG, one wire shielded with
braided shield for flame signal. Honeywell C328 cable is
recommended.
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Summary
P520 SIGNAL PROCESSOR 66-2066—01 2 Fig. 1. P520 front faceplate dimensions. Fig. 2. P520 side view dimensions. INSTALLATION When Installing this Product… 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check the ratings given i...
P520 SIGNAL PROCESSOR 3 66-2066—01 3. Install a ground wire from the ignition transformer case to the igniter assembly. 4. Ensure all igniter wires and cables show no signs of wear. Replace any igniter cables or wires that are frayed or cracked. 5. The viewing head must be electrically isolated from...
P520 SIGNAL PROCESSOR 5 66-2066—01 Wiring the Viewing Head Wiring of the viewing head is made to the terminals on the rear backplane PCB. These terminals are described as follows: Fig. 4 and 5 show four-conductor cable to the viewing head. Note that the flame signal wire going to terminal SIG is shi...
