44
MODBUS
INFORMATION
Modbus
address
Register name
Modbus master does
R (Read) or RW
(Read or Write)
Data type
Notes
40009
Number of successes
(R)
unsigned int
16
Rolls over at 9999
40010
Command status(R)
unsigned int
16
0x55 IDLE - Ready for new command
0x01 Command executed OK
0x02 Bad command, nothing done
0x03 BMS read of exec reg from Modbus board
timed out
0x04 BMS read of exec packet from Modbus board
had bad checksum
0x05 BMS read of cmd reg from Modbus board
timed out
0x06 BMS read of cmd packet had bad checksum
0x07 Command number not recognized
0x08 BMS read of param reg from Modbus board
timed out
0x09 BMS read of param packet had bad checksum
0x0A Parameter out of limits for command
0x0B BMS 350 Controller is locked
0x0C Unknown status code returned from Modbus
board read attempt
40011
Command number
(RW)
unsigned int
16
0x01 – Unlock – same as pressing unlock sequence
on keypad. Display function and timeout exactly the
same as if done from keypad. No parameter required.
0x02 – Set low temperature limit. Behaves as if done
from the keypad. Requires parameter in the format of
register 40004.
0x03 – Set high temperature limit. Behgaves as if
done from the keypad. Requires parameter in the for-
mat of register 40003.
0x04 – Turn ON. Behaves as if keypad ON button
were pressed. No parameter required.
0x05 – Turn OFF. Behaves as if keypad OFF button
were pressed. No parameter required.
0x06 – Set flame strength threshold. Behaves as if
done from the keypad. Requires a parameter in the
form of an 11-bit unsigned integer.
40012
Command parameter
(RW)
unsigned int
16
Parameter for command (if required, ignored if not
required). May also be interpreted as “command
value”.
Summary of Contents for BMS-350
Page 1: ...Proudly Made in the USA BMS 350 Installation and Operations Manual...
Page 18: ...18 INSTALLATION WIRING DIAGRAM...
Page 19: ...19 FUEL TRAIN DIAGRAMS Piloted Fuel Train Pilotless Fuel Train...
Page 29: ...29 INTERMITTENT PILOT OPERATION Flow Chart...
Page 31: ...31 STANDING PILOT OPERATION Flow Chart...