Mitsubishi GOT1000 User Manual

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7.1 Power Supply Wiring
7.1.3 Terminal name
7.1.3 Terminal name
7.1.4 Power supply wiring
1 Grounding the GOT and other devices
Make sure to carry out the followings for grounding.
• Carry out the independent grounding if possible.
Provide class D (class 3) grounding. (Ground resistance must be 100Ω or less.)
• If the independent grounding is impossible, carry out the shared grounding as shown in fig.2) below.
• Set the grounding point closer to the GOT to make the grounding cable short as possible.
Provide grounding using a single grounding wire. Refer to the table below to select the proper size
grounding wire.
Tightening torque for the power terminals 0.22 to 0.25 N•m
Ground wire size
Solid wire Stranded wire Ferrules with plastic sleeve
1.5mm
2
, AWG16 1.0mm
2
, AWG16 0.5mm
2
, AWG20
(FG)
INPUT
24VDC
+
-
RS-422
RS-232
(FG)
INPUT
24VDC
+
-
RS-422
CSB
SDA
SDB
RDA
RDB
SG
RSA
RSB
CSA
Class D
grounding
DC24
+10%
-15%
+
(FG)
INPUT
24VDC
+
-
Power terminals on the GOT
GOT
Other
device
(1) Independent ground
...... Best condition
GOT
Other
device
(2) Shared grounding
...... Good condition
GOT
Other
device
(3) Common grounding
...... Not allowed
Grounding
(100 or less)
Grounding
(100 or less)
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Mitsubishi GOT1000 Specifications

General

Series	GOT1000
Power Supply	24 VDC
Type	HMI (Human Machine Interface)
Processor	RISC
Communication Interfaces	RS-232, USB
Storage Temperature	-20 to 60°C
Display Type	TFT LCD
Backlight Life	50, 000 hours
Operating Temperature	0 to 50 °C