Switches And Jumpers On The Terminal Board - YASKAWA L1000A Technical Manual

When connecting control wires to the terminals, use shielded twisted-pair wires (treating wire ends as shown in
Figure 3.23 and connect the shield to the ground terminal (E [G]) of the drive.
Figure 3.22
A – Drive side
B – Insulation
C – Control device side
NOTICE: Do not exceed 50 meters (164 ft.) for the control line between the drive and the operator when using an analog signal from a
remote source to supply the frequency reference. Failure to comply could result in poor system performance.

◆ Switches and Jumpers on the Terminal Board

The terminal board is equipped with several switches used to adapt the drive I/Os to the external control signals.
Figure 3.24 shows the location of these switches. Refer to
Figure 3.23
Figure 3.24 Locations of Jumpers and Switches on the Terminal Board
YASKAWA ELECTRIC SIEP C710616 38F YASKAWA AC Drive - L1000A Technical Manual
E
A
D – Shield sheath (insulate with tape or heat-shrink tubing)
E – Shield
Figure 3.23 Preparing the Ends of Shielded Cables
Jumper S3
Terminal H1/H2
Sink/Source Sel.
DIP Switch S2
RS-422/485 Termination
Resistor
Off On
B
C
D
Control I/O Configuration on page 84
3.8 Control Circuit Wiring
for setting instructions.
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