6. Communication Protocol
6-2
6.1.2
Communication Specifications and Cable
Access Rate
(1)
Communication Specifications
Item
Specifications
Communication standard
ANSI/TIA/EIA-422 standard
Communication protocol
MODBUS-RTU
Data
Type
Data bit
8 bit
Stop bit
1 bit
Parity
None
Synchronous method
Asynchronous
Transmission speed
9600 /19200/38400/57600 [bps]
[P0-04] can be selected.
Transmission distance
Up to 200 [m]
Current consumption
100 [
㎃
] or below
(2)
Connection of CN3 and CN4 Connector Pins
1
8
1
8
CN 3
CN 4
Pin Number
Pin Function
1
Not for use.
2
Terminating resistance connection note 1)
3
RXD+
4
TXD-
5
TXD+
6
RXD-
7
Not for use.
8
GND
NOTE 1)
In case of multi access connection, apply terminating resistance by connecting Pin 2 of the last
drive to Pin 6 (RXD-).
NOTE 2)
Connect TXD+ and TXD-, and RXD+ and RXD- in twisted pairs.
NOTE 3)
The TXD and RXD in the above table are based on the servo drive.
Summary of Contents for L7 A001
Page 1: ...VER 1 5...
Page 2: ......
Page 32: ...1 Product Components and Signals 1 20...
Page 38: ...2 Installation 2 6...
Page 54: ......
Page 188: ...7 Product Specifications 7 26 L7 A020 L7 A035 Weight 2 5 kg cooling fan included...
Page 210: ...8 Maintenance and Inspection 8 14...
Page 211: ...9 Appendix 9 1 9 Appendix...
Page 218: ...9 Appendix 9 8...
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