23
I/O Board wiring labels
I/O Boards 1 through 4
I/O Board 1-4
Terminal Blocks
I/O Board P/N
Identification Labels
Channel 1
I/O Board Part Number
Notes:
Identify P/N 191912 I/O Board and connect
wires to the terminal blocks directly below the
I/O slot that the board is in.
Use the wiring label located on the front panel
that has a matching I/O part number.
Either channel can support any of the sensor
types listed.
To program the analog input, go to the Inputs
menu, enter the menu for the I/O slot# and
channel# (for example S21). Scroll to
Transmitter and select the type of transmitter
from the list.
Channel 2
P/N 191912 4-20 mA INPUT (2)
TBxA - INPUTS 1-2
TBxB - NOT USED
1
2
+24V
+24V
+24V
+24V
+24V
+24V
COM(–)
COM(–)
24V(–)
24V(–)
XMTR–
XMTR– XMTR+
XMTR+
XMTR–
XMTR+
XMTR–
XMTR– XMTR+
XMTR+
XMTR–
XMTR+
TB Ch
4 Wire
3 Wire
2 Wire
Pwrd
2 Wire
Loop
1
3
5
7
9
10
11
12
13-18
2
4
6
8
Shields
I/O Board Part Number
P/N 191912 4-20 mA INPUT (2)
TBxA - INPUTS 1-2
TBxB - NOT USED
1
2
+24V
+24V
+24V
+24V
+24V
+24V
COM(–)
COM(–)
24V(–)
24V(–)
XMTR–
XMTR– XMTR+
XMTR+
XMTR–
XMTR+
XMTR–
XMTR– XMTR+
XMTR+
XMTR–
XMTR+
TB Ch
4 Wire
3 Wire
2 Wire
Pwrd
2 Wire
Loop
1
3
5
7
9
10
11
12
13-18
2
4
6
8
BLK
RED
LITTLE DIPPER 2
Channel 1
Channel 2
Shields
2 WIRE
LOOP POWERED
TRANSMITTER
+
–
UNPOWERED
4-20mA SOURCE
•
SIMULATOR
•
POWERED 4-20mA
OUTPUT
POWERED 2 WIRE
+
–
3 WIRE
TRANSMITTER
24V POWER
UNPOWERED
+ SIGNAL
– COMMON
4 WIRE TRANSMITTER
- SIGNAL
+ SIGNAL
+24V POWER
–24V POWER
UNPOWERED
BRN
ORN
1
2
3
4
5
6
7
8
9
10
11
12
1
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
1
13
14
15
16
17
18
Figure 10 Part Number 191912 Dual Analog (4-20mA) Sensor Input Board Wiring
