YASKAWA A1000

8.4 Option Card Installation
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 421
Peripheral Devices & Options
8
Take the following steps to prevent erroneous operation caused by noise interference:
• Use shielded wire for the PG encoder signal lines.
• Limit the length of all motor output power cables to less than 100 m. Limit the len
gth of open-collector output lines to
less than 50 m.
• Use separate conduit or cable tray dividers to separate option control
wiring, main circuit input power wiring, and
motor output power cables.
Interface Circuit
• Complementary Output
Figure 8.8
Figure 8.9 Complementary Outputs for the Interface Circuit
• Open-Collector Outputs
Figure 8.9
Figure 8.10 Open-Collector Outputs for the Interface Circuit
Terminal Functions
Table 8.3 Option Terminal Functions
Terminal Block Terminal Function Description
TB1
<1> A separate UL Listed class 2 power supply is necessary when the PG requires more than 200 mA to operate.
A+ A+ pulse signal input
• Pulse signal inputs from the PG.
• Signal inputs from complementary and open-collector outputs
• Signal level
H level: 8 to 12 V
L level: 2.0 V or less
A– A– pulse signal input
B+ B+ pulse signal input
B– B– pulse signal input
Z+ Z+ pulse signal input
Z– Z– pulse signal input
SD NC pin (open) For use when cables s
hields should not be grounded
FE Ground Used for grounding shielded lines
TB2
IP PG power supply
• Output voltage: 12.0 V ± 5%
• Max output current: 200 mA
<1>
IG PG power supply common
AO A pulse monitor signal
• Outputs the monitor signal for the A, B, and Z pulses from the PG speed
control card
• For open collector outputs from the option
• Max voltage: 24 V
• Max current: 30 mA
BO B pulse monitor signal
ZO Z pulse monitor signal
IG Monitor signal common
PG-B3
PG Encoder
470 Ω
330 Ω
330 Ω
A-,B-,Z-
A+,B+,Z+
IG
AO,BO,ZO
0V
A,B,Z
Vcc
IP
IG
0V
12 V
Monitor Signals
PG
B3
470 Ω
330 Ω
330 Ω
A+,B+,Z+
IG
AO,BO,ZO
IP
IG
12 V
PG Encoder
A,B,Z
Vcc
0V
A,B,Z
Monitor Signals
AO
IG IG
ZO
IG
BO
IGIP
A-A+ FESDZ-Z+B-B+
TB1
TB2