Modbus RTU Card
Installation Guide
Register
Description
40002
Reserved
40003
Reserved
40004
Reserved
40005
Reserved
40006
Reserved
40007
Reserved
40008
Reserved
40009–40xxx
Parameter management (single
or multiple read/ write)
5.5.2 Status Reporting Registers (Read Only)
For models MCD6-0063B and smaller (soft starter model ID 1~4), the current and frequency reported via communications regis-
ters are 10 times greater than the actual value.
Table 3: Description of Read Registers
Register
Description
30003
Reserved
30004
Reserved
30005
Reserved
30006
Reserved
30007
Reserved
30008
Reserved
30600
Version
30601
Model number
30602
Changed parameter number
10 | Danfoss A/S © 2022.11
Bits
Details
10000000 = Reserved
8–14
Reserved
15
Must = 1
0–15
Manage soft starter programmable parameters. See the VLT® Soft Start-
er MCD 600 Operating Guide for a complete parameter list.
N O T I C E
Bits
Details
0–5
Binary protocol version
6–8
Parameter list major version
9–15
Product type code: 15 = MCD 600
0–7
Reserved
8–15
Soft starter model ID
0–7
0 = No parameters have changed
1–255 = Index number of the last parameter changed
8–15
Total number of parameters available in the soft starter
Modbus Registers
AQ277154312778en-000201 / 175R1180
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