Saia-Burgess Controls AG
Manual for PCD2.W745 and PCD3.W745
│
Document 26-796 E
NG06 │ 2018-10-12
Hardware
1-5
1
Terminals and meaning of LED’s
1.3
Terminals and meaning of LEDs
The I/O connector block is numbered from 0 to 16, beginning on the right hand side.
E
rr
or
S
en
so
r
E
rr
or
R
un
R
th
3+
S
en
s3
+
+
S
en
s3
-
G
N
D
R
th
2+
S
en
s2
+
+
S
en
s2
-
G
N
D
R
th
1
+
S
en
s1
+
+
S
en
s1
-
G
N
D
R
th
0+
S
en
s0
+
+
S
en
s0
-
G
N
D
Input 3
Input 2
Input 1
Input 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
16
G
N
D
Label description
Name
Description
RthX+
Constant current output for RTD measurement
SensX+
Positive line of the differential voltage input (Sense +)
SensX-
Negative line of the differential voltage input (Sense –)
GND
Sensor Ground, galvanic separated from Saia PCD
®
Ground
X: Input Number 0…3
Meaning of the LEDs:
Run:
The Run LED blinks when the data acquisition is running
Error:
The Error LED indicates that the module
has no valid configuration.
Sensor Error:
Indicates that at least one of the inputs detects:
●
no connection
●
line break
●
short circuit
This module includes components that are sensitive to electrostatic discharges.