Mitsubishi Electric M70V Series Connection Manual page 78

(6) Transfer speed changeover switch (DS)
Not used
Not used
(7) Station No. changeover switch (CS)
4
3
5
2
6
1
7
Selection of station No.
0
8
F
9
E
A
D
C B
(8) Remote I/O unit I/F #1 (RIO1)
(9) Remote I/O unit I/F #2 (RIO2)
1 3
1
I/O TXRX
2
I/O TXRX*
3
0V
<Cable side connector type>
Connector: 1-178288-3
Contact: 1-175218-2 x3
Recommended manufacturer: Tyco Electronics
(10) 24VDC input (DCIN)
1 3
1
I +24V
2
0V
3
FG
<Cable side connector type>
Connector: 2-178288-3
Contact: 1-175218-5 x3
Recommended manufacturer: Tyco Electronics
(11) LED
Name
POWER Internal output
Green (UP) voltage(5VDC) check
ALM RIO communication
Red (DOWN) status check
Function At fault
(1) Failure of 24VDC input
Not lit (2) Fuse is disconnected
(3) Failure of internal voltage output in I/O unit
(1) Partial disconnection between control unit and remote I/O unit
Lit
(2) Miswiring of connected remote I/O unit
M70V Series Connection Manual
2.6 Remote I/O Unit
Conditions
53