Danfoss VLT MCA 121 EtherNet/IP, Operating Instructions Manual

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5.3 ODVA Control Profile
5.3.1 Control Word under Instances 20/70
and 21/71
Set 8-10 Control Word Profile to ODVA.
The control word in Instances 20 and 21 is defined as
follows:
→
NOTE
Bits 00 and 02 in Instance 20 are identical with bits 00 and
02 in the more extensive Instance 21.
Bit
Instance 20 Instance 21
Bit = 0 Bit =1 Bit = 0 Bit =1
00 Stop Run Fwd Stop Run Fwd
01 - - Stop Run Rev
02 No function Fault reset No function Fault reset
03 - - - -
04 - - - -
05 - - - Net Ctrl
06 - - - Net Ref
07-15 - - - -
Explanation of the Bits:
Bit 0, Run Fwd:
Bit 0 = "0" means that the frequency converter has a stop
command. Bit 0 = "1" leads to a start command and the
frequency converter will start to run the motor clockwise.
Bit 1, Run Rev:
Bit 1 = "0" leads to a stop of the motor. Bit 1 = "1" leads to
a start of the motor.
Bit 2, Fault Reset:
Bit 2 = "0" means that there is no trip reset. Bit 2 = "1"
means that a trip is reset.
Bit 3, No function:
Bit 3 has no function.
Bit 4, No function:
Bit 4 has no function.
Bit 5, Net Control:
Bit 5 = "0" means that the frequency converter is
controlled from the standard inputs. Bit 5 = "1" means that
EIP controls the frequency converter.
NOTE
Please note that changes will affect parameters 8-50 to
8-56.
Bit 6, Net Reference:
Bit 6 = "0" Reference is from the standard inputs. Bit 6 =
"1" Reference is from EIP.
NOTE
Please note that changes will affect 3-15 Reference Resource
1 to 3-17 Reference Resource 3 . For the Speed reference, see
section Bus speed reference value under Instances 20/70 and
21/71 .
5.3.2 Status Word under Instances 20/70
and 21/71
The status word in Instances 70 and 71 is defined as
follows:
→
NOTE
Bits 00 and 02 in Instance 70 are identical with bits 00 and
02 in the more extensive Instance 71.
Bit
Instance 70 Instance 71
Bit = 0 Bit =1 Bit = 0 Bit =1
00 No Fault Fault No Fault Fault
01 - - - Warning
02 - Running 1
Fwd - Running 1 Fwd
03 - - - Running 2 Rev.
04 - - - Ready
05 - - - Ctrl from Net
06 - - - Ref. from Net
07 - - - At ref.
08-15 - - State Attribute
How to Control MCA 121 EtherNet/IP
24 MG.90.J3.02 - VLT
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is a registered Danfoss trademark
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