Hitachi SJ-DN Instruction Manual page 16

CHAPTER6 DEVICENET COMMUNICATION FUNCTION
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-DN: Instance20 (P046: 20)
Byte Bit7
0 -
1
2
3
Data
Run Fwd
Fault Reset
Speed Reference
SJ-DN to Master: Instance70 (P047: 70)
Byte Bit7
0 -
1
2
3
Data
Faulted
Running 1
Speed Actual
Bit6 Bit5
- -
Speed Reference (Low Byte)
Speed Reference (High Byte)
The inverter is running forward.
When the bit is set to "1", the trip states can be cancelled
0:- 1:Fault reset
It indicates speed command of the inverter.
[P049:Except for 0]
Rotational speed setting: Speed Reference(min
Range of setting:0•`24000(min
e.g.) When the order of speed setting is 1800 min
Speed Reference=1800/2
[P049:0]
Operational frequency setting (Resolution: 0.01Hz).
Range of setting:0.00 to 400.00(Hz) Magnification: 100 time
Bit6 Bit5
- -
Speed Actual (High Byte)
It indicates the inverter is in a fault detecting state.
0:Normal 1:During detecting fault state
It indicates inverter's running state.
0:Stop/During Reverse run 1:During Forward Run
It indicates inverter speed.
[P049:Except for 0]
Rotational speed monitor: Speed Actual(min
Range of monitor:0•`24000(min
e.g.) When Speed Actual is 03E8(Hex) (Speed scale:0)
Speed Actual=03E8(Hex)/2
[P049:0]
Current frequency display (Resolution: 0.01Hz ).
Range of monitor:0.00 to 400.00(Hz) Magnification: 100 time
Bit4 Bit3
- -
-
Contents
0:Stop
- 1
) (Resolution: 1min
O
=1800=0708(Hex)
Bit4 Bit3
- -
-
Speed Actual (Low Byte)
Contents
-1
) (Resolution: 1min
O
=1000/2
12
Bit2 Bit1
Fault
-
Reset
1:Run
SS
-1
) / 2 SS: Speed scale
- 1
) Magnification: 1 time
-1
, (Speed scale:0)
Bit2 Bit1
Running
-
1
SS
-1
) / 2•@•@ SS: Speed scale
-1
) Magnification: 1 time
O
-1
=1000(min )
Bit0
Run Fwd
Bit0
Faulted