Danfoss VLT MCD 200, Installation Instructions Manual, Page: 10 / 16

AP ASCII Protocol MCD Modbus Module Instructions
MG.17.F5.02 - VLT
® is a registered Danfoss trademark
10
10.2. Status Retrieval
Soft starter status can be retrieved using the following format:
ACK
NAK
177HA3
16.
12
Send
Address
Send
Request
Receive
Status
Invalid LRC Possible error responses
= Master = Slave (MCD)
Request ASCII Receive Status (ssss)
Trip code C18 See the trip code table.
Starter status C22 Bit Description
0 to 3 1 = Ready
2 = Starting
3 = Running
4 = Stopping (including braking)
5 = Restart delay (including Temperature check)
6 = Tripped
7 = Program mode
4 1 = Positive phase rotation (only valid if bit 6 = 1)
5 1 = Current exceeds FLC
6 0 = Uninitialised
1 = Initialised
7 0 = Communications are OK
1 = Communications device fault
10.3. Data Retrieval
Data can be retrieved from the soft starter using the following format:
ACK
NAK
177HA313.10
Send
Address
Send
Request
Receive
Data
Invalid LRC Possible error responses
= Master = Slave (MCD)
Request ASCII Receive Data (dddd)
Motor current D10 Requests motor current. The data is four byte decimal ASCII. Minimum value
0000 A, maximum value 9999 A.
Motor
temperature D12 Requests the calculated value of the motor thermal model as a % of motor
thermal capacity. The data is four byte decimal ASCII. Minimum value is
0000%. Trip point is 0105%.