ABB FMBT-21 User Manual page 30

30 Modbus/TCP – Start-up
No. Name/Value Description
23 Address mode Defines the mapping between parameters and holding registers
in the 0 65535 Modbus register range.
0 = Mode 0
Used when access to parameter indexes greater than 99 is not
needed. Allows 5-digit addressing
masters.
16-bit access:
Register address
(16-bit values, groups 1...199, indexes 1...99)
32-bit access:
Register address = 20000 + 200 * parameter group + 2 * parameter
index (32-bit values, groups 1...199, indexes 1...99)
1 = Mode 1 16-bit access:
Register address = 256 * parameter group + parameter index
(16-bit values, groups 1...255, indexes 1...255)
Example: 13057 (0x3301) is group 51 index 1
No access to 32-bit parameter values.
2 = Mode 2 32-bit access:
Register address = 512 * parameter group + 2
* parameter index
(32-bit values, groups 1...127, indexes 1...255).
Example: 26114 (0x6602) is group 51 index 1 Used when 32-bit
parameter values are needed and there is no need to access groups
128 or higher.
3 = Mode 3 32-bit access:
Register address = 256 * parameter group + 2
* parameter index
(32-bit values, groups 1...255, indexes 1...127).
Example: 13058 (0x3302) is group 51 index 1 Used when 32-bit
parameter values are needed and there is no need to access
parameter index 128 or higher.
24 ... Reserved These parameters are not used by the adapter module when the
26 module is configured for Modbus/TCP.
27 FBA A/B par re- Validates any changed adapter module configuration parameter
fresh settings. After refreshing, the value reverts automatically to 0 =
Done.
Note: This parameter cannot be changed while the drive is running.
0 = Done Refreshing done
1 = Refresh Refreshing
1)
used by legacy Modbus
1)
2)
= 100 * parameter group + parameter index
Default
0 = Mode 0
N/A
0 = Done