Specifications

MODBUS COMMUNICATION MANUAL
2-15
Table 2-4. BMS Standard Holding Register Address Mapping-Cont.
Modbus Data
Address (Hex) Menu Item Units and Range Default/Comments
0x0020
Real Time Clock
Minutes
00 to 59 Minutes Present Time
0x0021
Real Time Clock
Hours
00 to 23 Hours Present Time
0x0022
Real Time Clock
Day of Week
1 to 7 Present Day
0x0023
Real Time Clock
Year
00 to 99 Present Year
0x0024
Real Time Clock
Day of Month
01 to 31 Present Day of Month
0x0025
Real Time Clock
Month
01 to 12 Present Month
0x0026
Offset Temp Day 1
-50 to 50°F Default = 0°F
0x0027
Offset Temp Day 2
-50 to 50°F Default = 0°F
0x0028
Offset Temp Day 3
-50 to 50°F Default = 0°F
0x0029
Offset Temp Day 4
-50 to 50°F Default = 0°F
0x002A
Offset Temp Day 5
-50 to 50°F Default = 0°F
0x002B
Offset Temp Day 6
-50 to 50°F Default = 0°F
0x002C
Offset Temp Day 7
-50 to 50°F Default = 0°F
0x002D
Offset On Time
Day 1 – Minutes
00 to 59 Minutes Default = Zero
0x002E
Offset On Time
Day 2 – Minutes
00 to 59 Minutes Default = Zero
0x002F
Offset On Time
Day 3 – Minutes
00 to 59 Minutes Default = Zero
0x0030
Offset On Time
Day 4 – Minutes
00 to 59 Minutes Default = Zero
0x0031
Offset On Time
Day 5 – Minutes
00 to 59 Minutes Default = Zero
0x0032
Offset On Time
Day 6 – Minutes
00 to 59 Minutes Default = Zero
0x0033
Offset On Time
Day 7 – Minutes
00 to 59 Minutes Default = Zero