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
61
of
83
Table 7-4: BCM Standard Holding Register Address Mapping
Modbus Data
Address
Menu Item
Units and Range
Default/(Comments)
CONTROL REGISTERS
1
AERCO BMS II/ACS
Requested
Modulation Level
% (0 to 100)
(Read/Write)
A value other than 0
requests Run mode and
supersedes the value set for
Max Modulation Level
(address 0x03F9)
1017
Maximum
Modulation Level
% (0 to 100)
(Value x 2)
(Read/Write)
100° (50%)
1004
Requested Setpoint
32°F
–
212°F (0°C
–
100°C)
(Value x 10)
(Read/Write)
180°F
1021
Heat Request
Command
enum
(0x01, 0x33, 0x44, 0x55,
0xBB, 0xCC, 0xEE)
0x01:
No action
0x55:
DHW mode
enabled
0xBB:
Space Heating
requested & DHW
enabled
0xCC:
Check request
0xEE:
Space Heating
request
If enum is none of the above,
Standby is selected.
(Read/Write)
0x01
1023
Pump Control
enum (0, 1, 2)
0 = No action
1 = Switch OFF
2 = Switch ON
(Read/Write)
1030
Error/Reset
enum (0x5A)
(Read/Write)
1031
Run Counters Clear
enum (0x5A)
(Read/Write)
1041
Check Mode,
Inserted burner
control
Flags
(0
–
0xFF)
Bit 0: BMM #0 to
Bit 7: BMM #7
(Read/Write)
Bit 0 (BMM #0) is auto-
matically set at Check Mode
start
OPERATING DATA REGISTERS
Содержание AERCO EXT
Страница 4: ......