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7.2 I/O Assembly Instances: Selection and Setup
7.2.1 Basic Speed Control Instance
(1) Output (from master to inverter): o31=20
Instance byte
bit 7
20
0
-
1
(Fixed at 00)
2
Speed Reference (lower byte) (r/min)
3
Speed Reference (upper byte) (r/min)
Run Forward:
1 = Run forward command
Fault Reset:
1 = Reset the alarm condition
Speed Reference: Speed command (in r/min)
(2) Input (from inverter to master): o32=70
Instance
byte
bit 7
70
0
-
1
(Fixed at 00)
2
Speed Actual (lower byte) (r/min)
3
Speed Actual (upper byte) (r/min)
Faulted:
Running Forward:
Speed Actual:
bit 6
bit 5
-
-
bit 6
bit 5
-
-
1 = The inverter has (and remains) tripped
1 = The motor is running forward.
Actual rotation speed (in r/min)
bit 4
bit 3
-
-
Fault
Reset
bit 4
bit 3
-
-
Running
Forward
17
bit 2
bit 1
bit 0
-
Run
Forward
bit 2
bit 1
bit 0
-
Faulted
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