YASKAWA A1000

8.4 Option Card Installation
424 YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
Take the following steps to prevent erroneous operation caused by noise interference:
• Use shielded wire for the PG encoder signal lines.
• Use separate conduit or cable tray dividers to separate op
tion control wiring, main circuit input power wiring, and
motor output power cables.
Interface Circuit
Figure 8.11
Figure 8.13 Interface Circuit (PG-X3)
Terminal Functions
Table 8.8 Option Terminal Functions
Setting the PG Encoder Power Supply Voltage
For the PG-X3 Option, set the voltage for the PG encoder power supply using jumper CN3 located on the option.
NOTICE: The positioning of jumper CN3 selects the PG encoder power supply voltage (5.5 V or 12 V). Select the voltage level for the
PG encoder connected to the option and motor. If the wrong voltage is selected, the PG encoder may not operate properly or may
become damaged as a result.
Table 8.9 Setting the PG Encoder Power Supply Voltage (IP) with Jumper CN3
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
• Inputs for the A channel, B channel
, and Z pulses from the PG encoder
• Signal level matches RS-422
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)
O
pen connection connectors for use when cable shields should not be
grounded
FE Ground Used as the shield ground termination point.
TB2
IP PG encoder power supply
• Output voltage: 12.0 V ± 5% or 5.5 V ± 5%
• Max. output current: 200 mA
<1>
IG PG encoder power supply common
SG Monitor signal common
• Output signal for monitoring A channel, B channel, and Z pulses from the
PG encoder
• Signal level matches RS-422
a+ A+ pulse monitor signal
a– A- pulse monitor signal
b+ B+ pulse monitor signal
b– B- pulse monitor signal
z+ Z+ pulse monitor signal
z– Z- pulse monitor signal
Voltage Level 5.5 V ± 5% (default) 12.0 V ± 5%
Jumper CN3
26LS32 level
26LS31level
PGX3
PG Encoder
A,B,Z
A+,B+,Z+
600 Ω
a,b,z
a+,b+,z+
SG
Monitor Signals
A,B,Z
A,B,Z
26LS31 level
A+ B+A− B− Z+ SD FEZ−
IP IG
a+ z+
z−a− b−
b+
SG
TB1
TB2
IP IG
a+ z+
z−a− b−
b+
SG
A+ B+A− B− Z+ SD FEZ−
TB1
TB2
CN3
5.5 V 12 V
CN3
5.5 V 12 V