Honeywell P520- Manuals

Page 2 - INSTALLATION; When Installing this Product...; Grounding and Shielding

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...

Page 3 - Card Frames

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...

Page 5 - Wiring the Viewing Head

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...

Page 6 - Power Supply; OPERATION

P520 SIGNAL PROCESSOR 66-2066—01 6 IMPORTANT Source impedance resistor required at the signal processor between SC and SIG GND terminals for proper signal trans- mission. For resistor value, refer to the Wiring of the Viewing Head section. Fig. 5. Wiring connections for S550BE, S552BE and S556BE vie...

Page 7 - Set Points

P520 SIGNAL PROCESSOR 7 66-2066—01 Verifying the validity of the gain code received is one of the tasks performed by the processor in the viewing heads. The self-check pulse from the signal processors is a 100ms-wide, 20V to 24V pulse with two notches or breaks in it. The position of each of the two...

Page 8 - Additional Set Points

P520 SIGNAL PROCESSOR 66-2066—01 8 change the displayed value. Once the desired value is displayed, press the STORE button. When the set point is stored, four dashes are displayed momentarily, indicating that the new value was stored into the EEPROM. Illogical settings are not accepted; A display of...

Page 9 - SETUP AND ADJUSTMENT; Sighting Adjustment

P520 SIGNAL PROCESSOR 9 66-2066—01 SETUP AND ADJUSTMENT PROCEDURES Sighting Adjustment Before making definitive settings (i.e., establishing the set points) for FLAME ON/OFF, the user must first optimize the sighting of the viewing head. For detailed mounting and sighting information, refer to the a...

Page 10 - TROUBLESHOOTING; Module Communications

P520 SIGNAL PROCESSOR 66-2066—01 10 TROUBLESHOOTING Module Communications The P520 communicates with any host computer that has a USB port and supports ASCII character code transmission at 4800 baud (or, in current revisions of the processor chip, at 4800 or 9600 baud). The baud rate is displayed wi...

Page 16 - Automation and Control Solutions

P520 SIGNAL PROCESSOR Automation and Control Solutions Honeywell International Inc.1985 Douglas Drive NorthGolden Valley, MN 55422customer.honeywell.com ® U.S. Registered Trademark© 2012 Honeywell International Inc.66-2066—01 M.S. 10-12 Printed in United States