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5.1.3. Instance 21: CIP extended speed control output
Instance 21 mapping
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 - NetRef * NetCtrl * - - Fault reset
Run
Rev
Run
Fwd
1 -
2
Drive Reference Speed min
-1
(Low byte)
3
Drive Reference Speed min
-1
(High byte)
* 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 parameter cmod.
Bit 6 (Net Ref)................. When “1” is set, bytes 2 and 3 are enabled. When “0” is set, Drive Reference
Speed is according to setup of the parameter fmod.
5.1.4. Instance 71: CIP extended speed control input
Instance 71 mapping
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
Running2
(Rev)
Running1
(Fwd)
Warning Faulted
1 Drive Status ***)
2
Drive Reference Speed min
-1
(Low byte)
3
Drive Reference Speed min
-1
(High byte)
** 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 EtherNet/IP is enabled, “1” is set.
Bit 6 (Ref from Net)..............When frequency command from EtherNet/IP 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
4.6.2).
■Examples of Instance 21/71
(1) Stop
Instance Byte 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Hex.
1, 0 0 0 00000000000 0 0 0 0x0000
Output Instance 21
3, 2 - - ----------- - - - -
1, 0 0 0 0000110001 0 0 0 0 0x0310
Input Instance 71
3, 2 0 0 00000000000 0 0 0 0x0000
(2) Forward running 1800 min
-1
Instance Byte 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Hex.
1, 0 0 0 0000000110 0 0 0 1 0x0061
Output Instance 21
3, 2 0 0 0 0 0 11100001 0 0 0 0x0708
1, 0 0 0 0 0 0 1 0011110 1 0 0 0x04F4
Input Instance 71
3, 2 0 0 0 0 0 11100001 0 0 0 0x0708
(3) Fault reset *
Instance Byte 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Hex.
1, 0 0 0 00000000000 1 0 0 0x0004
Output Instance 21
3, 2 - - ----------- - - - -
* Fault reset works only 1 time when 0 -> 1.