E6581737
- 16 -
3.4.5.2.
Instance 21/71 - DeviceNet Standard (4 bytes, parameter
c203
= 1)
Byte
Bit 7
Bit 6
Bit 5
Bit 4 Bit
3 Bit
2 Bit
1 Bit
0
0
-
Net Ref *
Net Ctrl *
-
-
Fault reset
Run
reverse
Run
forward
1 -
2
Drive Reference Speed min
-1
(Low byte)
3
Drive Reference Speed min
-1
(High byte)
Fig. 3 Output Instance 21 Layout
Byte
Bit 7
Bit 6
Bit 5
Bit 4 Bit
3 Bit
2 Bit
1 Bit
0
0
At
reference **
Ref from
Net **
Ctrl from
Net **
Ready
Running
Reverse
Running
Forward
Warning
Faulted/
tripped
1
Drive Status ***
2
Drive Actual Speed min
-1
(Low byte)
3
Drive Actual Speed min
-1
(High byte)
Fig. 4 Input Instance 71 Layout
* Bit 5 and 6 of the instance 21 byte 0 are defined as follows.
Bit 5 (Net Ctrl) ................. When “1” is set, bits 0 (Run forward) and 1 (Run reverse) of byte 0 are enabled. When
“0” is set, Run/Stop is according to setup of the VF-MB1/S15 parameter
cmod
.
Bit 6 (Net Ref) ................. When “1” is set, Drive Reference Speed is according to the value of bytes 2 and 3.
When “0” is set, Drive Reference Speed is according to setup of the VF-MB1/S15
parameter
fmod
.
** Bit 5, 6, and 7 of the instance 71 byte 0 are defined as follows.
Bit 5 (Ctrl from Net)......... When RUN/STOP command from DeviceNet is enabled, “1” is set.
Bit 6 (Ref from Net)......... When frequency command from DeviceNet is enabled, “1” is set.
Bit 7 (At reference) ......... When output frequency becomes the same as frequency command, “1” is set.
*** Drive Status is same as the Control Supervisor class State attribute (refer to section 3.7.2).
1 (00000001): Startup
2 (00000010): Not Ready
3 (00000011): Ready
4 (00000100): Enabled
5 (00000101): Stopping
6 (00000110): Fault Stop
7 (00000111): Faulted