
WSG30 Users Manual
52
MODBUS® NOTES
MODBUS® ADDRESSES
ADDRESS RANGES
THE MODBUS® ADDRESS RANGES ARE LAID OUT ACCORDING TO THE FOLLOWING COLORCODED
TABLE. THE FORMAT BELOW IS TXDDDDD WHERE “T” IS THE ADDRESS TYPE BIT/WORD, READ
WRITE/READONLY AND DDDDD IS A 5 DIGIT DECIMAL BASE NUMBER FROM 0 TO 65535.
Modbus® Mode Modbus® Address Range
bit, read-write 0x00000 - 0x65535
bit, read-only 1x00000 - 1x65535
word, read-only 3x00000 - 3x65535
word, read-write 4x00000 - 4x65535
THE MEMORY TYPES MAP TO THE MODBUS® COMMANDS AS SHOWN IN THE FOLLOWING TABLE.
THE WSG30 SUPPORTS MODBUS® CONFORMANCE CLASSES 0 AND 1.
Address Type Modbus® Commands
0 1, 5, 15
1 2
3 4
4 3, 6, 16
ADDRESS CALCULATION
MODBUS® ADDRESS CALCULATIONS ARE PERFORMED ACCORDING TO THE FOLLOWING TABLE:
Type Calculation Notes
Inputs
BASE + (OFFSET * INPUT_NUMBER)
The input number is as follows:
Zone 1 = 0
.....
.....
.....
Zone 30 = 29
Power = 30
Battery = 31
Profiles
BASE + (OFFSET * PROFILE_NUMBER)
The profile number is as follows:
Profile 1 = 0
Profile 2 = 1
Profile 3 = 2
Profile 4 = 3
Profile 5 = 4
Profile 6 = 5
Profile 7 = 6
Profile 8 = 7
Contacts
BASE + (OFFSET * ((PROFILE_NUMBER * 6) +
CONTACT_NUMBER))
The contact number is as follows:
Contact 1 = 0
Contact 2 = 1
Contact 3 = 2
Contact 4 = 3
Network
BASE
System
BASE
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