Specifications

CHAPTER 3 INSTALLATION
3.3 Noise Countermeasures
11
3.3 Noise Countermeasures
3.3.1 Connection of Frame Ground (FG)
The frame should basically be grounded at one earth point.
The GND of the base I/O unit and device GND connected to the stabilized power supply should be
connected to the FG.
0
0 0
CF31CF32
CF34
CF33
SV2
SV1
HR3 □□
RIO1RIO2
DCIN
CF10
ENC
CR31
SKIP
FG cable
R220 cable
(24VDC cable)
Short bar
FG cable
AC input
HR292/293
FG cable
AC input
FG cable
NC power supply
PD25A
FG cable
ACIN
ON/OFF SW
ON/OFF
POWER
DCOUT
0V
Stabilized power supply
(Prepare separately)
Main grounding plate
for distribution panel
24VDC (+)
DCIN
(BOARD)
CF25
POS
ON/OFF
CF24
DCIN
(PD25A)
CF01
CF13
DCOUT
ＰＥ
（ＦＧ）
J2
CF11CF12
CON1
CON1
CF21
CF22
K/B MOUSE
HANDLE
RIO3
FG
NC keyboard
FCU6-KB004/014
Display unit
FCU6-DUN31/DUC32
Base I/O unit
FCU6-DX2
/DX3 /DX4
Control unit
FCU6-MU0