OM-WEB Series User's Guide
Specifications
41
Table 25. Screw terminal pinout
Pin Signal Name
Pin Description
Pin
Signal Name
Pin Description
1
IA+ (Note 20)
CH0/CH1 current excitation source
27
ID
– (Note 20)
CH6/CH7 current excitation
return
2
NC
No connect
28
AGND
Analog ground
3
C0H
CH0 sensor input (+)
29
C7L
CH7 sensor input (
–)
4
C0L
CH0 sensor input (
–)
30
C7H
CH7 sensor input (+)
5
4W01 (Note 20)
CH0/CH1 4-wire, 2 sensor
common
31
IC67 (Note 20)
CH6/CH7 2 sensor common
6
IC01 (Note 20)
CH0/CH1
2-sensor common
32
4W67 (Note 20)
CH6/CH7
4-wire, 2-sensor common
7
C1H
CH1 sensor input (+)
33
C6L
CH6 sensor input (
–)
8
C1L
CH1 sensor input (
–)
34
C6H
CH6 sensor input (+)
9
AGND
Analog ground
35
NC
No connect
10
IA
– (Note 20)
CH0/CH1 current excitation return
36
ID+ (Note 20)
CH6/CH7 current excitation
source
11
IB+ (Note 20)
CH2/CH3 current excitation source
37
IC
– (Note 20)
CH4/CH5 current excitation
return
12
NC
No connect - see Note 20
38
AGND
Analog ground
13
C2H
CH2 sensor input (+)
39
C5L
CH5 sensor input (-)
14
C2L
CH2 sensor input (
–)
40
C5H
CH5 sensor input (+)
15
4W23 (Note 20)
CH2/CH3 4-wire, 2-sensor
common
41
IC45 (Note 20)
CH4/CH5 2 sensor common
16
IC23 (Note 20)
CH2/CH3
2-sensor common
42
4W45 (Note 20)
CH4/CH5
4-wire, 2-sensor common
17
C3H
CH3 sensor input (+)
43
C4L
CH4 sensor input (
–)
18
C3L
CH3 sensor input (
–)
44
C4H
CH4 sensor input (+)
19
AGND
Analog ground
45
NC
No connect
20
IB
– (Note 20)
CH2/CH3 current excitation return
46
IC+ (Note 20)
CH4/CH5 current excitation
source
21
+5V
+5V output
47
NC
No connect
22
PU/D
Pull-up/down for digital outputs
48
GND
Digital ground
23
DIO0
Digital Input/Output
49
DIO7
Digital Input/Output
24
DIO1
Digital Input/Output
50
DIO6
Digital Input/Output
25
DIO2
Digital Input/Output
51
DIO5
Digital Input/Output
26
DIO3
Digital Input/Output
52
DIO4
Digital Input/Output
Note 20:
OM-WEB-TEMP only. These pins are labeled RSVD (reserved for future use) on the OM-WEB-
TC.
Note 21:
Do not make connections to pins marked "NC".