Iris FLAME MONITORING SYSTEM P522 User Manual

FLAME MONITORING SYSTEMMODEL P522 SIGNAL PROCESSORAPPLICATION MANUAL

IRIS MODEL P522 APPLICATION MANUALPage 10modules in a system. Care should be taken when wir-ing multiple P522s to ensure the selected bus wireswill c

IRIS MODEL P522 APPLICATION MANUALPage 11blinking, SELF-CHECK O.K. light on the front panelwill go out, and the flame relay will de-energize.Please no

IRIS MODEL P522 APPLICATION MANUALPage 12lecting the set points. For instance, selecting a flameout set point that is equal to or greater than the fl

IRIS MODEL P522 APPLICATION MANUALPage 13detected). The 4-20mA output will still perform thesame way on the high end (i.e., on a strong signal, itwil

IRIS MODEL P522 APPLICATION MANUALPage 14The effectiveness of the sighting will depend uponboth the type of viewing head as well as the fuel.UV flame

IRIS MODEL P522 APPLICATION MANUALPage 15Note that both the SIG and SIG GND circuits areswitched. However, this can cause a lockout condi-tion if the

IRIS MODEL P522 APPLICATION MANUALPage 16SETUP AND ADJUSTMENTPROCEDURESMultiburner applications require the most care inadjustments to ensure proper f

IRIS MODEL P522 APPLICATION MANUALPage 17The above settings will be satisfactory formost applications, but are used only as astarting point. So many

IRIS MODEL P522 APPLICATION MANUALPage 18ful discrimination, it is likely due to theautomatic gain control (AGC) action (seesections on the viewing he

IRIS MODEL P522 APPLICATION MANUALPage 19ing head male receptacle has an internal tab thatgrounds this connection to the viewing head housing.The term

IRIS MODEL P522 APPLICATION MANUALPage 2Table of ContentsIRIS MODEL P522 ---------------------------------------4WIRING AND INSTALLATION--------------

IRIS MODEL P522 APPLICATION MANUALPage 20tion is present). Its output is randomly-spaced pulses,with an average pulse rate proportional to the UVradi

IRIS MODEL P522 APPLICATION MANUALPage 21nals. The Si element is a photodiode that is oper-ated in the photovoltaic mode (the diode generatescurrent

IRIS MODEL P522 APPLICATION MANUALPage 22you should definitely turn off the Si channel, whichcannot contribute to the flame signal from the burner(whe

IRIS MODEL P522 APPLICATION MANUALPage 23To reiterate: The nonlinearity of the Si channelcaused by the AGC action has been a major con-tributor to di

IRIS MODEL P522 APPLICATION MANUALPage 24Signal sources other than flame, such as incandes-cent or fluorescent light, can cause false readingsthat sho

IRIS MODEL P522 APPLICATION MANUALPage 25Area circle = πR2πR2 = 4mm2so R = (4/π)-2 = 1.1284and dia = 1.1284 X 2 = 2.2568mmor dia = 0.0889 inchesUsing

IRIS MODEL P522 APPLICATION MANUALPage 26cies than oil burners, particularly the low NOx typeburners. UV type detectors work very well on natu-ral ga

IRIS MODEL P522 APPLICATION MANUALPage 27TABLE OF IRIS VIEWING HEADS AND PERFORMANCE WITH VARIOUS FUELS.(DISC = discrimination between burners and fla

IRIS MODEL P522 APPLICATION MANUALPage 28OIL (HEAVY OIL - air & steam atom)PULVERIZED COAL* Flaming backgrounds such as wood waste, black liquor e

IRIS MODEL P522 APPLICATION MANUALPage 29function is to use an auxiliary timer, so that a timeout of both the PLC and the auxiliary timer is re-quired

IRIS MODEL P522 APPLICATION MANUALPage 3Figure IndexFIGURE 1 - P522 REAR MOTHERBOARD------------------------------------------------------------------

IRIS MODEL P522 APPLICATION MANUALPage 30RMRF RFRMTD1TD1TD1IGNVALVEIGNVALVERFRFL1NO MFTPURGE COMPLETEFUEL LIMITS O.K.BURNERSTOP PBOFFRF CONPLCINTERFAC

IRIS MODEL P522 APPLICATION MANUALPage 31The BASIC BURNER START CIRCUIT shown inFigure 12 is a basic circuit requiring only two piecesof external hard

IRIS MODEL P522 APPLICATION MANUALPage 32Registers Map4X OR NUMERICAL REGISTERS:400001 Flame Count Of Active Channel (read only)400002 Processor Statu

IRIS MODEL P522 APPLICATION MANUALPage 33TECHNICAL HELPFor technical assistance in installing this product,please contact:Sales & Corporate Office

IRIS MODEL P522 APPLICATION MANUALPage 34SPECIFICATIONSELECTRICALInput Power - 26Vdc +5%, -20%, 300mA(with one V.H.) (100mA for each additional V.H.)E

IRIS MODEL P522 APPLICATION MANUALPage 35NO CAL YESFIGURE 14 - MODEL P522 FRONT PANEL

IRIS MODEL P522 APPLICATION MANUALPage 36FIGURE 15 - MODEL P522 SIDE VIEWFIGURE 16 - S5XX VIEWING HEAD DIMENSIONS

IRIS MODEL P522 APPLICATION MANUALPage 37FIGURE 17 - IR VIEWING HEAD LOCATIONFIGURE 18 - UV VIEWING HEAD LOCATIONDETECTOR IN GOODSIGHTING POSITION(PAR

IRIS MODEL P522 APPLICATION MANUALPage 38FIGURE 19 - OPPOSED FIRED VIEWING HEAD SIGHTINGFIGURE 20 - VIEWING HEAD MOUNTINGVIEWING HEADBURNER NOZZLE NO.

IRIS MODEL P522 APPLICATION MANUALPage 39INDEXRev April 20004-20mA... 6, 12AAGC ...

IRIS MODEL P522 APPLICATION MANUALPage 4IRIS MODEL P522The P520 and P522 Signal Processors are used withthe IRIS Model 500 Viewing Heads. The P522Sig

IRIS MODEL P522 APPLICATION MANUALPage 40NOTES:

MODEL P522ACFLAME OFF STOREGAIN SETF.F.R.T.1-9LOCKOUTTIME DELAY ONRESETO.K.SELF-CHECKFLAME ONONBFLAMEANO CAL YESApprovedFMIRIS MODEL P522 APPLICATION

MODEL P522DCFLAME OFF STOREGAIN SETF.F.R.T.1-9LOCKOUTTIME DELAY ONRESETO.K.SELF-CHECKFLAME ONONBFLAMEANO CAL YESApprovedFMF1.75AF2.25AIRIS MODEL P522

IRIS MODEL P522 APPLICATION MANUALPage 5WIRING TO THE PLUG-IN TERMINALSFigure 1 illustrates the plug-in terminals on the rear motherboard and how they

IRIS MODEL P522 APPLICATION MANUALPage 6one cycle regardless of the new set points, allowingchannel changes “on the fly,” so to speak. If thenew flam

IRIS MODEL P522 APPLICATION MANUALPage 7IRIS CABLE3 CONDUCTORS PLUS 1 COAX3CONDUCTORS: 16 AWG 19 STRAND INSULATED WITHCROSSED-LINKED-POLYETHYLENE .017

IRIS MODEL P522 APPLICATION MANUALPage 8A source impedance resistor is required when usingthe P522 module with a S550 viewing head. Thisresistor shou

IRIS MODEL P522 APPLICATION MANUALPage 9prevent the power from feeding into the 24 VDCsupply. Each P522 module draws approximately 150mA, and each vi