Modbus Protocol; Legacy Modbus Support; Extensions - Honeywell P531 Operating Manual

MODBUS PROTOCOL

Legacy Modbus support

* 40001 Flame Count (active channel in 522 mode) other wise
ZERO
* 40002 Processor Status R/O
0x or Discrete
* 000001 viewing head channel selected 0=Chan A (same pin
4 VH1 gain select)
* 000002 flame on relay status (not used for P532) (reads
zero)
* 000003 Processor Lockout status 0 = lockout (any channel
locked out)
* 000004 Panel access disabled
* 000005 4 - 20 ma output 0 = 0 to 20 ma output
Primary
* 40003 Flame On Channel A (0 -> 2999)
* 40004 Flame On Channel B (0 -> 2999)
* 40005 Flame Off Channel A (0 -> 2999)
* 40006 Flame Off Channel B (0 -> 2999)
* 40007 Gain Channel A 20ma Gain Primary (0 -> 99)(0 – 100
for P532)
* 40008 Gain Channel B 20ma Gain Primary(0 -> 99) (0 – 100
for P532)
* 40009 IR Analog Gain VH 1 (portion of total IR gain) (R/O
P532)
* 40010 IR Digital Gain VH 1 (portion of total IR gain) (R/O
P532)
* 40011 IR Filter VH 1 (unsigned char) (1 -> 8)
* 40012 UV Gain VH 1(unsigned char) (0 -> 99)
* 40013 IR Analog Gain VH 2 (portion of total IR gain) (R/O
P532)
* 40014 IR Digital Gain VH 2 (portion of total IR gain) (R/O
P532)
* 40015 IR Filter VH 2 ( 1 -> 8)
* 40016 UV Gain VH 2 ( 0 -> 99 )
* 40017 Viewing head type Viewing head #1 R/O
* 40018 Viewing head type Viewing head #2 R/O
* 40019 Temperature Channel A R/O
* 40020 Temperature Channel B R/O
* 40021 Time Delay (upper nibble Ch B) Lower nibble channel A
(Read change Write)
* 40022 FFRT (upper nibble Ch B) Lower nibble channel A
(Read change Write)
* 40023 Software Versions R/O
* 40024 Model number P522 version 5.2 and earlier will read 0
P522 version 5.3 and later will read 520

Extensions

(for P531/P532 (RS-422) to the Modbus protocol)
* 40024 Model R/O P532 will read 532
* 40025 Flame Count channel A (R/O)
* 40026 Flame Count Channel B (R/O)
* 40027 Flame Count Channel C (R/O)
* 40028 Flame On Channel C Primary
* 40029 Flame Off Channel C Primary
* 40030 Gain Channel C 20ma Gain Primary (0 -> 100)
* 40031 IR gain VH 3 (1 to 9) Primary
* 40032 UV Gain VH 3 (Total UV gain for P532) (unsigned char)
(1 -> 9) Primary
* 40033 Viewing head #3 type R/O
* 40034 Time Delay Channel C Primary
* 40035 FFRT Lower nibble channel C Primary
* 40036 IR Gain Viewing Head #1 (primary) (equivalent to
40009 and 40010)
* 40037 IR Gain Viewing Head #2 (primary) (equivalent to
40013 and 40014)
MODELS P531, P532 AND P532UI OPERATING MANUAL
0 = disabled
Alternate viewing head #1
* 40038 IR Gain VH 1
* 40039 IR Filter VH 1
* 40040 UV Gain VH 1
Alternate viewing head #2
* 40041 IR Gain VH 2
* 40042 IR Filter VH 2
* 40043 UV Gain VH 2
Alternate viewing head #3
* 40044 IR Gain VH 3
* 40045 UV Gain VH 3
Alarm set points Primary
* 40046 Alarm set point Channel A (0 -> 2999)
* 40047 Alarm set point Channel B (0 -> 2999)
* 40048 Alarm set point Channel C (0 -> 2999)
Advanced viewing head flame counts for S550A
and later
*40049 Viewing head #1 IR component
*40050 Viewing head #1 UV component
*40051 Viewing head #2 IR component
*40052 Viewing head #2 UV component
*40053
Channel "A" R/O
* 000001 bit 0 flame relay status
* 000002 bit 1 alarm relay status
* 000003 bit 2 channel Autoset (Primary or Alter-
nate)
* 000004 bit 3 channel lockout (Primary or Alternate)
* 000005 bit 4 Primary active = 1 Alternate active = 0
* 000006
* 000007
* 000008
*40054
Channel "B" R/O
* 000001 bit 0 flame relay status
* 000002 bit 1 alarm relay status
* 000003 bit 2 channel Autoset (Primary or Alter-
nate)
* 000004 bit 3 channel lockout (Primary or Alternate)
* 000005 bit 4 Primary active = 1 Alternate active = 0
* 000006
* 000007
* 000008
*40055
Channel "C" R/O
* 000001 bit 0 flame relay status
* 000002 bit 1 alarm relay status
* 000003 bit 2 channel Autoset
nate)
* 000004 bit 3 channel lockout
nate)
* 000005 bit 4 Primary active = 1 Alternate active = 0
* 000006 bit 5
* 000007 bit 6
* 000008 bit 7
(Primary or Alter-
(Primary or Alter-
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