Hitachi SJ-DN2, Инструкция по эксплуатации

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CHAPTER6 DEVICENET COMMUNICATION FUNCTION
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6.3 Details of Polled I/O communication
6.3.1 Basic I/O instance
This I/O instance is standard I/O instance, which is defined by AC drive profile in DeviceNet.
Master to SJ-DN2: Instance20 (P046: 20)
Byte Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
0 - - - - -
Fault
Reset
- Run Fwd
1 -
2 Speed Reference (Low Byte)
3 Speed Reference (High Byte)
Data Contents
Run Fwd The inverter is running forward. 0:Stop 1:Run
Fault Reset
When the bit is set to “1”, the trip states can be cancelled
0:- 1:Fault reset
Speed Reference
It indicates speed command of the inverter.
[P049:Except for 0]
Rotational speed setting: Speed Reference(min
-1
) / 2
SS
SS: Speed scale
Range of setting:0-24000(min
-1
) (Resolution: 1min
-1
) Magnification: 1 time
e.g.) When the order of speed setting is 1800 min
-1
, (Speed scale:0)
Speed Reference=1800/2
0
=1800=0708(Hex)
[P049:0]
Operational frequency setting (Resolution: 0.01Hz).
Range of setting:0.00 to 400.00(Hz) Magnification: 100 time
SJ-DN2 to Master: Instance70 (P047: 70)
Byte Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
0 - - - - -
Running
1
- Faulted
1 -
2 Speed Actual (Low Byte)
3 Speed Actual (High Byte)
Data Contents
Faulted
It indicates the inverter is in a fault detecting state.
0:Normal 1:During detecting fault state
Running 1
It indicates inverter’s running state.
0:Stop/During Reverse run 1:During Forward Run
Speed Actual
It indicates inverter speed.
[P049:Except for 0]
Rotational speed monitor: Speed Actual(min
-1
) / 2
SS
SS: Speed scale
Range of monitor:0-24000(min
-1
) (Resolution: 1min
-1
) Magnification: 1 time
e.g.) When Speed Actual is 03E8(Hex) (Speed scale:0)
Speed Actual=03E8(Hex)/2
0
=1000/2
0
=1000(min
-1
)
[P049:0]
Current frequency display (Resolution: 0.01Hz).
Range of monitor:0.00 to 400.00(Hz) Magnification: 100 time