AERCO Modulex E8 Controller (and BCM) For Modulex EXT Boilers - Manual (Page 94)

E8 Controller and BCM for Modulex EXT
Installation, Operation & Maintenance Manual
CHAPTER 9: BCM MODBUS AND ADDRESS ASSIGNMENTS
Page 94 of 108 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0093_0A
PRI: 06/24/2013 Phone: 800-526-0288 GF-136-C
Table 9-4: BCM Standard Holding Register Address Mapping (Continued)
Modbus Data
Address
Menu Item Units and Range
Default
(Comments)
CONTROL REGISTERS (Continued)
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
0 Error Code
0 – 0xFFFF
LSB: Error Code
MSB: Identification code
of fault device:
0: BMM #0 to
7: BMM #7
255: BCM
(Read Only)
10 Run Hours 0-50000 ----
11 Run Counts 0-50000 ----
1000
Cascade Control
Status
enum (0, 1, 2, 4)
0: Stop
1: Slave identification
procedure
2: Normal operation
4: Monitor mode
(Read Only)
1002
Flow Sensor
Temperature
14°F to 212°F
(-10°C to 100°C)
(Value x 10)
(Read Only)
1003
Return Flow
Temperature
32°F to 212°F (0°C to 100°C)
(Value x 10)
(Read Only)
1005
External Sensor
Temperature
-31°F/-22°F to 86°F
(-35°C/-30°C to 30°C)
(Value x 10)
(Read Only)
-31°F (-35°C) if not
connected
1008
Global Actual
Modulation Level
0 – 100% (Read Only)
1016
Actual Target
Setpoint
32°F to 212°F (0°C to 100°C)
(Value x 10)
Should increase up to “Target
Setpoint” temp as boiler heats up
(Read Only)
1018 Target Setpoint
32°F to 212°F (0°C to 100°C)
(Value x 10)
(Read Only)
1019
DHW Maximum
Setpoint
32°F to 212°F (0°C to 100°C)
(Value x 10)
(Read Only)