Owner's manual

App-4
IM MW100-17E
Register Assignments (Modbus Slave)
The supported Modbus register types differ depending on the MW100 firmware version.
Measurement channel data, MATH channel data
Firmware version Type
INT16 INT32 FLOAT BIT
R3.04 Yes Yes Yes Yes
R3.03 No Yes Yes Yes
R3.02 No Yes Yes No
Communication input channel data
Firmware version Type
INT16 INT32 FLOAT BIT
R3.04 Yes Yes Yes Yes
R3.03 No No Yes Yes
R3.02 No No Yes No
The following are the Modbus slave register assignments.
Coils
Firmware version R3.03 or later
Coil
*
Data Data type
00001 Data on communication input channel C001 Bit
00002 Data on communication input channel C002 Bit
: : :
00300 Data on communication input channel C300 Bit
Input Relays
Firmware version R3.03 or later
Input relay
*
Data Data type
10001 Data on measurement channel 001 Bit
10002 Data on measurement channel 002 Bit
: : :
10060 Data on measurement channel 060 Bit
13001 Data on MATH channel A001 Bit
13002 Data on MATH channel A002 Bit
: : :
13300 Data on MATH channel A300 Bit
18001 Measuring Bit
18002 Computing Bit
18003 Recording Bit
18004 Alarm occurring Bit
18005 Waiting to confirm alarm status Bit
Appendix 2 Modbus Protocol