AERCO Modulex E8 Controller (and BCM) For Modulex EXT Boilers - Manual (Page 95)

E8 Controller and BCM for Modulex EXT
Installation, Operation & Maintenance Manual
CHAPTER 9: BCM MODBUS AND ADDRESS ASSIGNMENTS
OMM-0093_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 95 of 108
GF-136-C Ph.: 800-526-0288 PRI: 06/24/2013
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)