YASKAWA AO-A3 User & Installation Manual page 28

5 Installation Procedure
u
Option Connection Diagram
Refer to Table 5 on page
To ensure accurate control, use stable power supply for the voltage reference source.
<1> Connect the provided ground wire during installation on 1000-series drives. Installation on GA700, CR700, and
CH700 drives does not require the ground wire.
NOTICE: Do not adjust the potentiometers on the option. The potentiometers are factory set and may
change the voltage output characteristics and cause output signal inaccuracy if misadjusted.
u
Wire Gauges, Tightening Torques and Ferrule-Type Terminals
Wire Gauges and Tightening Torques
n
Wire gauge and torque specifications are listed in
Tightening
Terminal Screw
signal Size
Nm (inlb)
V1, V2, 0.22 to 0.25
M2
AC, FE (1.95 to 2.21)
28
29 for a detailed description of the option board terminal functions.
Drive
R/L1
S/L2
CN5
T/L3
FE <1>
Twisted-pair shielded line
Main circuit terminal
Figure 17 Option Connection Diagram
Table 3 Wire Gauges and Tightening Torques
Bare Cable
Torque
Recomm.
Gauge mm
0.75
(18 AWG)
YASKAWA ELECTRIC TOBP C730600 79C YASKAWA AC Drive Option AO-A3 Installation Manual
TB1
AO-A3
FE
Control circuit terminal
Table 3.
Applicable
2 Gauges mm 2 Gauge mm
Stranded wire:
0.25 to 1.0
(24 to 17 AWG)
Solid wire:
0.25 to 1.5
(24 to 16 AWG)
Monitor
V1
AC
−
V2
AC
−
<1>
AO
Ferrule-Type Terminals
Recomm. Applicable
2 Gauges mm
0.5 0.25 to 0.5
(20 AWG) (24 to 20 AWG)
＋
FM
＋
AM
Wire
Type
2
Shielded
twisted
pair, etc.