20
GETTING TO KNOW YOUR E
cho-40F
©E
cho-40F
User Manual
2.3.3 Isolated DIO
There is a 16-bit DIO (8-bit DI, 8-bit DO) connector
in the rear side. Each DIO channel is equipped
with a photocoupler for isolated protection. A power
buffer device TPD2007F integrated in 8-DO circuit
for motors, solenoids, and lamp driver applications.
for more details.
Pin No.
Definition
Pin No.
Definition
1
INPUT 0
11
OUTPUT 0
2
INPUT 1
12
OUTPUT 1
3
INPUT 2
13
OUTPUT 2
4
INPUT 3
14
OUTPUT 3
5
INPUT 4
15
OUTPUT 4
6
INPUT 5
16
OUTPUT 5
7
INPUT 6
17
OUTPUT 6
8
INPUT 7
18
OUTPUT 7
9
DI_COM
19
DIO_GND
10
DIO_GND
20
External 24~78VDC Input
COM1
COM3
COM2
COM4
V+ V
IGN
On | Off
DC-IN 6~36V
LAN3
LAN4
LAN5
LAN6
PoE+
Isolated
DIO
20
11
3
4
5
6
10
1
D I
PIN 1 ~ 8
DO
PIN 11 ~ 18
USB 2.0
GPI SINK Mode
Isolated GPI input circuit in SINK mode (NPN) is illustrated as follow :
