Mitsubishi M80 series User Manual

M800S/M80/E80 Series Connection and Setup Manual
10 Connection of Remote I/O Unit
317
IB-1501269-J
(c) Connecting with the thermocouple input signal
- Connect the shield to FG pin of AI connector. Ground the thermocouple tip side, too.
- Do not connect or disconnect the cables between units while the power is ON.
- Keep the lead length of cold junction compensation resistor as short as possible (2 cm or shorter as a guide).
AI
3
5
1
FCU8-DX409
4
6
(Pt100)
FG
(Pt100)
AI
CJ+
CJ-
V+
V-
CJ+
CJ-
CH1
7
9
12
8
10
(Pt100)
FG
V+
V-
CJ+
CJ-
CH2
15
17
13
16
18
(Pt100)
FG
V+
V-
CJ+
CJ-
CH3
19
21
24
20
22
(Pt100)
FG
V+
V-
CJ+
CJ-
CH4
0V
FG
1
2
3
DCIN
0V
FG
+24V
FG
FG
FG
FG
24VDC(+)
Thermocouple
Cold junction compensation resistor
Set the lead length 2cm or
shorter including the length to
insert to AI connector. (As a guide)
Shield
Cold junction
compensation
resistor
2cm or shorter
Cold junction compensation resistor
Shield
Thermocouple
Cold junction compensation resistor
Shield
Thermocouple
Cold junction compensation resistor
Shield
Thermocouple
Stabilized power supply

Mitsubishi M80 series Specifications

General

Type	CNC Control Unit
Power Supply	24V DC
Interpolation	Linear, circular, helical
Fieldbus	CC-Link
Operating Temperature	0 to 45°C
Interface	USB, RS-232
Processor	RISC processor
Ethernet	Yes (100BASE-TX/10BASE-T)