06/05/13
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
•
Ph: 800-526- 0288
Page
98
of
112
GF-115-C
Modulex E8 Controller and BCM
Operations and Maintenance Manual
OMM-0084_0D
Table 9-4: BCM Standard Holding Register Address Mapping
(Continued)
Modbus
Data
Address
Menu Item
Units and Range
Default/(Comments)
OPERATING DATA REGISTERS
(Continued)
1020
Operating Mode
enum (0, 1, 2, 3, 6)
0: Standby
1: Space Heating
2: DHW
3: Check
6: Test
(Read Only)
1100
Linked BMM
Flags (0 -255)
Bit 0: BMM #0
to
Bit 7: BMM #7
(Read Only)
1101
Inserted BMM
Flags (0 -255)
Bit 0: BMM #0
to
Bit 7: BMM #7
(Read Only)
1102
BMM in Check Mode
Flags (0 -255)
Bit 0: BMM #0
to
Bit 7: BMM #7
(Read Only)
1103
BMM Flame Status
Flags (0 – 255)
Bit 0: BMM #0
to
Bit 7: BMM #7
(Read Only)
1104
BMM Alarm Status
Flags (0 – 255)
Bit 0: BMM #0
to
Bit 7: BMM #7
(Read Only)
1108
BMM Maximum Modulation Level
0 – 100% (Value x 10)
(Read Only)
1109
Pump Modulation Output
0 – 10V
(Read Only)
1200
Monitor Only
0 – 100%
(Read Only) Global modulation level
from Cascade Manager
2n00
BMM #n Error Code
(n = 0 – 7)
0 – 0xFFFF
(Read Only)
2n02
BMM #n Outlet Temperature
(n = 0 – 7)
14°F to 212°F (-10°C to
100°C) (Value x 10)
(Read Only)
2n08
BMM #n Actual Modulation
Level (n = 0 – 7)
0 – 100%
(Read Only)
