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1 CC-Link SYSTEM
(4) Intelligent device station communication
The intelligent device station is a station that can handle bit and word data.
Communication between a master station and an intelligent device station uses
two types of transmission methods: cyclic transmission and transient
transmission (refer to Section 8.1.4).
(a) Cyclic transmission
Signals for handshaking with the intelligent device station (positioning start,
positioning complete, etc.) are communicated using the remote input RX and
remote output RY. Numeric data (positioning start number, present feed
value, etc.) is communicated using remote registers RWw and RWr.
X
Y
W
W
Master station
Remote
register
RWw
Remote
register
RWr
Servo amplifier
Intelligent device station
Programmable
controller CPU
Automatic refresh
Automatic refresh
Automatic refresh
Automatic refresh
Remote
input
RX
Remote
output
RY
Remote
register
RWw
Remote
register
RWr
Remote
input
RX
Remote
output
RY
Link scan
Link scan
Link scan
Link scan
(b) Transient transmission
Reading (G(P).RIRD) or writing (G(P).RIWT) of buffer memory data in an
intelligent device station is available at any timing.
Master station
Programmable
controller CPU
Intelligent device station
Transient transmission
Transient
transmission
area
Transient transmission
G(P).RIWT
G(P).RIRD
Buffer memory
Содержание L26CPU-BT
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Страница 7: ...A 5 A 5 Disposal Precautions CAUTION When disposing of this product treat it as industrial waste ...
Страница 32: ...3 5 3 5 3 SPECIFICATIONS ...
Страница 51: ...4 2 4 2 4 PROCEDURE BEFORE OPERATION 4 ...
Страница 61: ...6 4 6 4 6 INSTALLATION AND CONNECTION ...
Страница 63: ...6 6 6 6 6 INSTALLATION AND CONNECTION 8 The connection method is shown below ...
Страница 70: ...6 13 6 13 6 INSTALLATION AND CONNECTION ...
Страница 72: ...6 15 6 15 6 INSTALLATION AND CONNECTION ...
Страница 139: ...8 33 8 33 8 FUNCTIONS ...
Страница 151: ...8 45 8 45 8 FUNCTIONS ...
Страница 243: ...11 6 11 6 11 EXAMPLE OF COMMUNICATION BETWEEN THE MASTER STATION AND REMOTE DEVICE STATIONS Set parameters as follows ...
Страница 246: ...11 9 11 9 11 EXAMPLE OF COMMUNICATION BETWEEN THE MASTER STATION AND REMOTE DEVICE STATIONS ...
Страница 311: ...13 2 13 2 13 COMMUNICATION BETWEEN THE MASTER STATION AND INTELLIGENT DEVICE STATIONS MEMO 13 ...
Страница 321: ...14 10 14 10 14 EXAMPLE OF COMMUNICATION WHEN MOUNTING MODULES ON THE HEAD MODULE ...
Страница 324: ...15 3 15 3 15 TROUBLESHOOTING 1 When the master station RUN LED is off 2 Common module check procedure ...
Страница 326: ...15 5 15 5 15 TROUBLESHOOTING To the next page ...
Страница 327: ...15 6 15 6 15 TROUBLESHOOTING To the next page ...
Страница 328: ...15 7 15 7 15 TROUBLESHOOTING ...
Страница 329: ...15 8 15 8 15 TROUBLESHOOTING 2 Troubleshooting by status logging ...
Страница 436: ...App 72 App 72 APPENDIXES 7 Operating procedure of the transmission speed test ...
Страница 439: ...App 75 App 75 APPENDIXES MEMO ...
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