5 Wiring
11
5.2
Wiring Precautions
Make sure of the followings when wiring.
• Separate the control signal wires (terminal blocks TA1 and TA2) of the PG-B2 card from the main
circuit wires and other power cables.
• Use a shielded wire to connect the encoder (PG). Connect the wires as shown in
Fig. 5
to prevent
noise interference. The wire distance must be 328 ft. (100 m) or less. Provide an exclusive cable.
(Refer to the table below.)
Also, use type of KPEV-S, 0.5 mm
2
.
Wire specification: Polyethylene insulated wire for instrumentation manufactured by NIHON
ELECTRIC WIRE & CABLE.
KPEV-S 0.5 mm
2
(1.25 mm
2
) 3-pair wire
Terminal TA1 specification: MKDS1 series manufactured by Phoenix Contact GmbH & Co.
• Cable length for pulse monitor output must be 98.4 ft. (30 m) or less.
Wire specification: Polyethylene insulated wire for instrumentation manufactured by NIHON
ELECTRIC WIRE & CABLE.
KPEV-S 0.5 mm
2
2-pair wire
Terminal TA2 specification: MKDS1 series manufactured by Phoenix Contact GmbH & Co.
• To prevent noise, use shielded wire and separate from heavy current circuits (200 VAC or greater)
or relay drive circuits. (Wire length to the PG connector must be 328 ft. (100 m) or less.)
• If the PG signal is affected by noise, disconnect the grounding lead wire (E) from the grounding
terminal (G5: 12 (G), G7 or F7: E (G)) of the control board of the Inverter.
• The recommended tightening torque is 0.22 to 0.25 N
x
m.
Fig. 5 Shielded Wire Termination
Cable length
YASKAWA Code No.
32.8 ft. (10 m)
72616-W5010
98.4 ft. (30 m)
72616-W5030
164 ft. (50 m)
72616-W5050
328 ft. (100 m)
72616-W5100
NOTE
Outer Jacket
Shielded Sheath
Connect to terminal block
TA3 on PG-B2 card
Do not connect
or ground sheild at
this end
Insulate these parts
with insulting tape
PG-B2 Connection
Encoder (PG) End
