MP940 Functions
4.3.1
Overview
4-22
4.3 LIO Function
This section explains the local I/O (LIO) function.
4.3.1 Overview
The LIO Module provides 8 digital inputs (DI), 8 digital outputs (DO), and one analog out-
put (AO) channel. The I/O timing has a regular cycle for each of the MP940 levels: System
(S), high-speed (High), and low-speed (Low).
One digital input point can be set for interrupt enable/disable operations.
Connector Number of circuits
Discrete inputs 8 pts.
Discrete outputs 8 pts.
Analog input 1 channel
Analog output 1 channel
BAT
RDY
RUN
ALM
BAT
PRT1
654321
NO
→
PRT2
RUN
INIT
TEST
FLASH
PP
COPY
PORT1
PORT2
POWER
+24V
GND
FG
LED
I/O
TX
R
X
1
2
M
E
C
H
A
T
R
O
L
I
N
K
MP940
C
P
U
AO
8
1
8
System bus
interface
Output
port
Input
port
Interrupt
port
Output
port
Insulation
DO
Insulation
DI
I/O
board
CPU
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