WEIHONG NK200 - Port Specification of Terminal Board

Specialized Concentrated Focused
Wiring「13」
2.3 Port Specification of Terminal Board
As shown in Fig. 1-3, the rear of the chassis is equipped with two groups of input ports and one group of
output ports, all used to connect corresponding ports of the machine tool. See the detailed port
specification of terminal board as blow:
Table 2 Ports specification
Name
Port No.
Definition
Description
Input Ports
Origin
signal
X0(GX01)
X machine origin
Binary input, low level effective; connected to
home switch of X-axis
Y0(GX04)
Y machine origin
Binary input, low level effective; connected to
home switch of Y-axis
Z0(GX09)
Z machine origin
Binary input, low level effective; connected to
home switch of Z-axis
COM
Common port
Common port of digital signal
Limit signal
XLIM+(GX02)
X positive limit
Binary input, low level effective; connected to
positive limit switch of X-axis
XLIM-(GX03)
X negative limit
Binary input, low level effective; connected to
negative limit switch of X-axis
YLIM+(GX05)
Y positive limit
Binary input, low level effective; connected to
positive limit switch of Y-axis
YLIM-(GX06)
Y negative limit
Binary input, low level effective; connected to
negative limit switch of Y-axis
ZLIM+(GX10)
Z positive limit
Binary input, low level effective; connected to
positive limit switch of Z-axis
ZLIM-(GX11)
Z negative limit
Binary input, low level effective; connected to
negative limit switch of Z-axis
COM
Common port
Common port of digital signal
Spare
input
GX12-GX16
Spare input ports
Used for custom reserved inputs
Output Ports
Signal
lamp
RED(GY03)
Red alarm lamp
Red light on when machining ends or during
E-stop
GREEN
(GY01)
Green work lamp
Light on during normal working state of
machine tool
YELLOW
(GY02)
Yellow work lamp
Yellow light on during idle state after machining
ends or during waiting state
Commonly
used
output
OIL(GY04)
Lubrication on
Controlling auto lubrication with relay contact
output, LED on during lubrication and off when
lubrication stops
SCOOL
Spindle cooling
Relay contact output; two terminals equaling to