Control
Instance
Originator (PLC) --> Target (Drive)
CTW
REF
20
CTW
REF
21
CTW
REF
100
CTW
REF
101
Byte #
1
2
3
Word #
1
2
Fixed contents
Illustration 4.3 Process Data
4.4 ODVA Control Profile
4.4.1 Control Word under Instances 20/70
and 21/71
Set parameter 8-10 Control Word Profile to ODVA and select
the instance in parameter 10-10 Process Data Type Selection.
Illustration 4.4 The Control Word in Instances 20 and 21
NOTICE
The bits 00 and 02 in instance 20 are identical with bits
00 and 02 in the more extensive instance 21.
Bit
Instance 20
Bit = 0
Bit = 1
00
Stop
Run Fwd
01
–
–
02
No function Fault reset
03
–
–
04
–
–
05
–
–
06
–
–
07–15
–
–
Table 4.2 Bits in Instances 20 and 21
MG92F102
Programming Guide
PCD 2
PCD 3
write
write
4
5
6
7
8
3
4
Instance 21
Bit = 0
Bit = 1
Stop
Run Fwd
Stop
Run Rev
No function Fault reset
–
–
–
–
–
Net Ctrl
–
Net Ref
–
–
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Instance
Target (Drive) --> Originator (PLC)
STW
70
STW
71
STW
150
STW
151
Byte #
1
2
Word #
1
User de ned contents
Explanation of the bits:
Bit 0, Run Fwd
Bit 0 = 0: The frequency converter has a stop command.
Bit 0 = 1: Leads to a start command, and the frequency
converter runs the motor clockwise.
Bit 1, Run Rev
Bit 1 = 0: Leads to a stop of the motor.
Bit 1 = 1: Leads to a start reverse of the motor, and the
frequency converter runs the motor counterclockwise.
Bit 2, Fault Reset
Bit 2 = 0: There is no reset of a trip.
Bit 2 = 1: A trip is reset.
Bit 3, No function
Bit 3: No function.
Bit 4, No function
Bit 4: No function.
Bit 5, Net Control
Bit 5 = 0: The frequency converter is controlled via the
standard inputs.
Bit 5 = 1: The DeviceNet controls the frequency converter.
NOTICE
Changes affect parameter 8-50 Coasting Select to
parameter 8-56 Preset Reference Select.
Bit 6, Net Reference
Bit 6 = 0: Reference is from the standard inputs.
Bit 6 = 1: Reference is from DeviceNet.
MAV
MAV
MAV
PCD 2
PCD 3
MAV
read
read
3
4
5
6
7
8
2
3
4
4
4
11
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