I/O Connector Pin Definition; Isolated Digital Input - Advantech PCIE-1756H User Manual

3.3.1

I/O Connector Pin Definition

Table 3.4: I/O Connector Signal Descriptions
Pin Name
IDI<00 ~ 15>
IDI<16 ~ 31>
IDO<00 ~ 15>
IDO<16 ~ 31>
ECOM0
ECOM1
PCOM0
PCOM1
IGND
CH_FRZ_IN
CH_FRZ_COM
3.3.2

Isolated Digital Input

Each of isolated digital input channels accepts bi-directional 10 ~ 30 V
inputs. Meaning that you can apply positive or negative voltage to an isolated input
pin (V ). Every 16 input channels share one common pin. Figure 3.3 shows how to
IN
connect an external input source to one of the card's isolated input channels.
PCIE-1756H User Manual
Reference Direction
ECOM0 Input
ECOM1 Input
PCOM0 Output
PCOM1 Output
- Input
- Input
- Output
- Output
- -
CH_FRZ_COM Input
- Input
Figure 3.3 Isolated Digital Input Connection
18
Description
Isolated digital input of group 0
Isolated digital input of group 1
Isolated digital output of group 0
Isolated digital output of group 1
Common pin for IDI00~IDI15
Common pin for IDI16~IDI31
Common pin of IDO00~IDO15 for
inductive loads
Common pin of IDO16~IDO31 for
inductive loads
Isolated ground
Channel-Freeze function input pin
Common pin for Channel-Freeze
function input
voltage
DC