Specifications

Head Station STL-BT1 (CC-Link) CC-Link
Quick Start Guide for the MELSEC STlite Series 3 - 7
3.2.6 Pin Configuration of the CC-Link Interface
3.2.7 Wiring
Maximum overall cable distance
Fig. 3-8: 9-pin D-SUB female connector for
connection to CC-Link
Pin of the
D-SUB connector
Signal Description
Tab. 3-3: Pin configuration of the CC-Link
interface of the STL-BT1
1—
Not used
2—
3 DA Data A
4 DG Data ground
5—
Not used6—
7—
8 DB Data B
9—Not used
Housing SLD Shield
Fig. 3-9: Definition of cable length
Transmission speed Station to station cable length Maximum overall cable distance
156 kbit/s
 20 cm
1200 m
625 kbit/s 900 m
2.5 Mbit/s 400 m
5 Mbit/s 160 m
10 Mbit/s 100 m
Tab. 3-4: The maximum overall cable distance depends on the transmission speed
9
6
5
1
Master station
Remote station Remote station
Remote station Remote station
Station to station cable
length
Maximum overall cable distance