
FLEX I/O Isolated Output HART Analog Module
11
Publication 1794-IN120D-EN-P - September 2015
Input Map
4
Current
O4
A-8
Current
O4 Ret
A-9
5
Current
O5
A-10
Current
O5 Ret
A-11
6
Current
O6
A-12
Current
O6 Ret
A-13
7
Current
O7
A-14
Current
O7 Ret
A-15
-V DC
common
For catalog numbers 1794-TB3 and 1794-TB3S, terminals B-16…33 are internally
connected in the terminal base unit.
+V DC power
For catalog numbers 1794-TB3 and 1794-TB3S, terminals C-34…51 are internally
connected in the terminal base unit.
Word
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
F7
F6
F5
F4
F3
F2
F1
F0
Diagnostic Status
1
Reserved
2
C7
C6
C5
C4
C3
C2
C1
C0
Reserved
3
X7
X6
X5
X4
X3
X2
X1
X0
Reserved
Fn =
Cn =
Xn =
Channel n Wire Fault Alarm for open or short circuit
(1)
Channel n HART Current Fault
HART Device Transmitter present
(1)
This alarm is disabled in Analog 0…20 mA formats (Formats 0, 1, 3) or if “Wire Fault Detection” is not enabled in
configuration.
0 = False; 1 = True
0 = False; 1 = True
0 = False; 1 = True
Note: Reserved data may not be shown in certain controller software
Wire Connections
Channel
Signal
Type
Label
Markings
Catalog Numbers
1794-TB3 or 1794-TB3S Terminal