YASKAWA AC Drive-A1000 Technical Manual page 66

3.9 Control Circuit Wiring
When setting the frequency by analog reference from an external potentiometer, use shielded twisted-pair wires (preparing
wire ends as shown in Figure
A – Drive side
B – Connect shield to ground terminal
C – Insulation
NOTICE: The signal lines between the drive and the operator station or peripheral equipment should not exceed 50 meters when using an
analog signal from a remote source to supply the frequency reference. Failure to comply could result in poor system performance.
66
Figure 3.18 Terminal Board Wiring
3.19) and connect the shield to the ground terminal of the drive.
A
of drive.
Figure 3.19 Preparing the Ends of Shielded Cables
F C
D
B
E
D – Control device side
E – Shield sheath (insulate with tape)
F – Shield
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual