Ufly Controller and BCM for Modulex EXT
CHAPTER 7: BCM MODBUS AND ADDRESS ASSIGNMENTS
OMM-0159_A
• 6/28/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
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Table 7-4: BCM Standard Holding Register Address Mapping
Modbus Data
Address
Menu Item
Units and Range
Default/(Comments)
3000
Burner OFF
Hysteresis
9°F to 36°F (5°C to 20°C)
(Value x 10)
(Read/Write)
9°F
3001
Minimum Inserted
Burner
1 - 8
(Read/Write) 1
3002
Temp. Control: Slope
Limit
2°F to 54°F/minute (1°C to
30°C/minute)
(Read/Write) 9°F
3003
Temp. Control:
Proportional Band
0°F to 90°F (0°C to 50°C)
(Read/Write) 45°F
3004
Temp. Control:
Integral Gain
0 - 50
(Read/Write) 12
3005
Temp. Control:
Derivative Gain
0 - 50
(Read/Write) 0
3006
Pump Over-run Time
1
–
10 minutes
(Read/Write) 3 min.
3018
Burner insertion
delay time
30-900 sec.
(in 10 sec. intervals)
(Read/Write)
120 sec.
3019
Burner insertion
delay time
30-900 sec.
(in 10 sec. intervals)
(Read/Write)
120 sec.
3020
Pump relay function
code
0/1:
0 = Main pump control
1 = Boiler status
(Read/Write)
0
3021
Alarm relay function
code
0/1:
0 = Active only if the failure
prevents the insertion of the
requested number of
burners.
1 = Activated by each failure
of the boiler.
(Read/Write)
1
3022
Digital input function
0/1/2/3:
0: CH service enable
1: Heat generator enable 2:
DO NOT USE
3: Manual request
(Read/Write)
0
3023
Manual request
0/1:
0 = Manual request not
active
1 = Manual request active
(Read/Write)
0
3016
CH maximum
modulation level
0-100%
(Read/Write)
100%
Summary of Contents for AERCO EXT
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