10
4 Wiring
CAUTION
•
Check the wiring again before operating the inverter. Improper wiring may cause unexpected inverter operation or
device operation.
There is a risk of accident or injury.
4.1 Wiring Length and Cable Size
Table 4.1 Maximum Wiring Length
Item Specifications
Maximum wiring length between option card and encoder
20 m
Maximum wiring length between option card (terminals FPA and FPB) and user controller
5 m
Wiring for the encoder option card and encoder
The encoder connection cable must use cable made by HEIDENHAIN 17 pin (4 x 0.14) +4(2 x 0.14) + (4 x 0.5) mm
2
.
Connect 0.5 mm
2
with PO and terminal CM of the option card.
Table 4.2 Terminal Wiring of OPC-LM1-PS1
Terminal
name
Wiring color
Encoder side symbol
Note
blown / green
5V Up
PO
blue
5V sensor
Connect when the wiring length is 10 m or more.
white / green
0V Un
CM
white
0V sensor
Connect when the wiring length is 10 m or more.
PA+
green / black
A+
PA-
yellow / black
A-
PB+
blue / black
B+
PB-
red / black
B-
CK+ purple CLOCK
CK- yellow CLOCK
DT+ gray
DATA
DT- pink
DATA
Wiring of the option card and the encoder
•
The wiring of the option card and encoder must use the shield wire. Moreover, the cable length is 20 m or less.
•
Connect shield of the wire to terminal CM of this option card.
•
Separate the wiring of the option card and the wiring of other power lines to prevent the malfunction by the noise.
Never put them in the same duct.
4.2 Plug
Applicable terminal plugs
The terminal block for encoder connection is removable type.
The plug (electric wire connection side) is provided as an accessory of the option card.
Table 4.3 Applicable Plug Model
Terminal Block
Terminal Plugs Type
Manufacturer
TERM1 MC1.5/16-STF-3.81
Phoenix
Contact
Plug specifications
Table 4.4 Plug Specifications
Item Specifications
Tightening torque
0.22 to 0.25 N
・
m
Screw size
M2
Bared wire length
7 mm
Maximum wire size
AWG16
(Note) Insert the wire into the upper side of the metal bracket on the terminal block, and tighten the screw.
