Allen-Bradley 1492 Analog and Digital I/O Conversion Module Installation Instructions

Analog and Digital I/O Conversion Module
(Cat 1492-CM1771-LA004)
I. Description
This I/O Conversion Module provides for the conversion of (1) 1771, 8 Ch Analog I/O module to be converted to (1) or (2) 1756,
6 or 8 Ch Analog I/O module(s) and consists of the following:
(1) Conversion Module: 1492-CM1771-LA004
(1) Cable: 1492-CONACAB005F8 or 1492-CONACAB010F8
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)
(1) Conversion Module: 1492-CM1771-LA004
(1) Cable: 1492-CONACAB005K8 or 1492-CONACAB005L8
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)
(1) Conversion Module: 1492-CM1771-LA004
(1) Cable: 1492-CONACAB005F or 1492-CONACAB005K or 1492-CONACAB005L
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)
(1) Conversion Module(s): 1492-CM1771-LA004
(1) Cable: 1492-CONACAB005T1 or 1492-CONACAB005T2
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)
This I/O Conversion Module also provides for the conversion of (2) 1771 Digital I/O modules that also use the 1771-WF swing
arm. In this case, this I/O conversion modules provide for the conversion of (2) 1771, 8 pt. Digital I/O modules to be converted
to (1) 1756, 16 pt. Digital I/O module and consists of the following:
(2) 1771 Module (8pt) to (1) 1756 Module (16pt)
(2) Conversion Modules: 1492-CM1771-LA004
(1) Cable: 1492-C005005XT
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)
These conversions are accomplished without the removal of any field wires from the existing 1771 Swing Arms. The existing
1771 Swing Arms fit directly onto the edge connector of the 1492 Conversion Modules. On one end of the 1492 Cable are (2)
connectors for the Conversion Modules and on the other end is (1) Removable Terminal Block (RTB) for the 1756 I/O module.
See the photos below.
The I/O signals are routed through the 1492 Conversion Module(s) and the 1492 Cable(s) to the appropriate terminals on the
1756 I/O module(s) per the Wiring Diagrams in Section V. As standard, the 1492 Cables are 0.5M long, but we also offer a 1.0M
cable length. Refer to the footnotes in Table 2 for further details.
WARNING
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
Printed in U.S.A.
De-energize and lockout any and all power to all I/O field devices connected to the A-B 1771 I/O
chassis, and the power to the 1771 I/O chassis itself. Ensure all power is de-energized and locked out
to any device in the control cabinet where the conversion is to be performed. Ensure work is
performed by qualified personnel.
(1)
I. Description (Cont’d)
Conversion Compatibility
and Product I.D. Label
25-Pin Connector for cable 1492-CONACAB005_
1492-CM1771-LA004 Conversion Module
Cable
1492-CONACAB005T_
Conversion Compatibility
and Product I.D. Label
25-Pin Connector for cable
1492-CONACAB005T_
Conversion
Compatibility and
Product I.D. Label
25-Pin Connector
for cable
1492-C005005XT
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(2)
II. Installation
The 1492 Conversion Modules must be installed in a 1492 Conversion Mounting Assembly (see Table 1 below). A complete
System Installation Manual ships with the 1492 Conversion Mounting Assembly.
1) Determine the quantity of each type of 1771 I/O modules used in the 1771 I/O Chassis to be converted.
2) Select the applicable 1492 Conversion Modules from Table 2, Section III.
3) Review the Max Slots for I/O and Chassis Width data from the Table 1 below.
4) Select a 1756 I/O Chassis which has enough I/O Slots.
NOTE: (2) I/O slots are required in the 1756 Chassis for conversions where (1) 1771 I/O module converts to (2) 1756 I/O modules.
5) Select the 1492 Conversion Mounting Assembly which has enough Conversion Module slots.
NOTE: (2) Conversion Module slots are required in the 1492 Conversion Mounting Assembly for conversions where (2) 1771 I/O
module convert to (1) 1756 I/O modules.
NOTE: The 1492 Conversion Mounting Assembly has the same Height & Width foot-print as the 1771 Chassis and is designed to
use the same mounting hardware. The combined Depth of the 1492 Conversion Mounting Assembly with the 1756 Chassis
mounted on top is 10.25 inches (Controller w/key) or 10.0 inches (Controller w/o key). Dimension drawings are included in the
System Installation Manual that ships with the 1492 Conversion Mounting Assembly.
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c 1771-A3B is not listed as it is used for 19 inch wide instrumentation panels.
d Notice that the 1756 Chassis Width sometimes exceeds the 1771 Chassis Width, with or without the Power Supply. The CoverPlate of the 1492 Conversion Mounting Assembly allows the 1756 Chassis to be Left justified, Right justified or Centered. A
complete System Installation Manual ships with the 1492 Conversion Mounting Assembly.
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(3)
III. Compatibility
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Specification
Dimensions
Value
11.81 in. (height) x 4.38 in. (depth) x 1.5 in. (width)
300 mm. (height) x 111.25 mm (depth) x 38.1 mm (width)
Approximate Shipping Weight
Storage Temperature
Operating Temperature
Operating Humidity
Shock
Non -operating
Operating
Operating Vibration
Maximum Operating Voltage
Max. Module Operating Current
Per Point:
Per Module:
250.6 g (0.55 lbs) (includes carton)
-40 to +85 C (-40 to 185° F)
0 to 60 C (32 to 40° F)
5 to 95% at 60° C (non-condensing)
50g
30g
2g at 10 to 500Hz (Agrees with 1756 I/O module specification)
30 Vdc
2 Amps
12 Amps
NOTICE
Refer to the Wiring Diagram(s) for
current limits for a specific configura-
Agency Certifications
UL Classified: Under UL File Number E113724
CSA
CE : compliant for all applicable directives
Pollution Degree
Environmental Rating
2
IP20
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(4)
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Foot Notes:
①To understand any issues concerning I/O module compatibility, refer to the Installation Manuals for the specific 1771
and 1756 I/O modules involved.
②The 3 numbers indicate the length of the 1492 Cable. Recommended cable lengths of 0.5M are shown. Additional
cable lengths are as follows:
1.0M = 1492-CONACAB010F/8 or 1492-CONACAB010K/8 or 1492-CONACAB010L/8
1.0M = 1492-CONACAB010T1 or 1492-CONACAB010T2
③The 6 numbers indicate the cable length of each portion of the 1492 Cable. Recommended cable lengths of 0.5M /
0.5M are shown. Additional cable lengths are as follows:
1.0M / 1.0M = 1492-C010010XT
0.5M / 1.0M = 1492-C005010XT
1.0M / 0.5M = 1492-C010005XT
④These cables have a maximum operating voltage of 30VDC, 2A maximum per pin, 12A maximum per cable.
(Operating specifications are when installed in the Conversion System base / cover-plate assembly)
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IV. Conversion Module Specifications
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V. Wiring Diagrams
Conversion: 1771-IL(1) to 1756-IF8I (1) (CURRENT)
There are several key application considerations and system specifications (bottom of drawing) when using
these components (conversion module, cable and input module). Read and understand these considerations
before installation.
WARNING
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4-Wire Transmitter
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Power Supply
Channel0
Channel0
Channel1
Channel1
Channel2
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Channel3
Channel3
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Transmitter
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Transmitter
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
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c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M)
d SHIELD GROUNDING: In some installations, the field wiring shield was grounded on the 1771 chassis. If this was
the case, the installer must remove these shield connections from the 1771 chassis and they can be connected
to the grounding stud on the 1492-CM1771-LA004 module. The pre-wired cable used between the 1492-CM1771-LA004
module and the 1756-IF8I [1492-CONACAB005K8] provides a shield ground lug to ground the shield at the 1756
ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the conversion module grounding stud.
e The 1771-IL input configuration was software configured, as is the 1756-IF8I. Please ensure the correct configuration
in the 1756-IF8I.
f Refer to your 1771-IL and 1756-IF8I Installation and User Manuals for additional information concerning comparisons
of module wiring, features and configuration details.
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(5)
Iin_CH0
RTN_CH0
Iin_CH1
RTN_CH1
Iin_CH2
RTN_CH2
Iin_CH3
RTN_CH3
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V. Wiring Diagrams
Conversion: 1771-IL (1) to 1756-IF8I (1) (VOLTAGE)
There are several key application considerations and system specifications (bottom of drawing) when using
these components (conversion module, cable and input module). Read and understand these considerations
before installation.
WARNING
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RTN_CH3
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RTN_CH6
Vout_CH7
RTN_CH7
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Conversion Module Installation and Application Considerations
c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M)
d SHIELD GROUNDING: In some installations, the field wiring shield was grounded on the 1771 chassis. If this was
the case, the installer must remove these shield connections from the 1771 chassis and they can be connected
to the grounding stud on the 1492-CM1771-LA004 module. The pre-wired cable used between the 1492-CM1771-LA004
module and the 1756-IF8I [1492-CONACAB005L8] provides a shield ground lug to ground the shield at the 1756
ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the conversion module grounding stud.
e The 1771-IL input configuration was software configured, as is the 1756-IF8I. Please ensure the correct configuration
f Refer to your 1771-IL and 1756-IF8I Installation and User Manuals for additional information concerning comparisons
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(6)
:
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=
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Vout_CH4
RTN_CH4
Vout_CH5
RTN_CH5
Vout_CH6
RTN_CH6
Vout_CH7
RTN_CH7
&
of module wiring, features and configuration details.
9
Vout_CH0
RTN_CH0
Vout_CH1
RTN_CH1
Vout_CH2
RTN_CH2
Vout_CH3
RTN_CH3
)
in the 1756-IF8I.
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N.C.
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N.C.
N.C.
N.C.
N.C.
Conversion: 1771-IL to 1756-IF6I (Current)
V. Wiring Diagrams
There are several key application considerations and system specifications (bottom of drawing) when
using these components (conversion module, cable and input module). Read and understand these
considerations before installation.
WARNING
Conversion Module
1492-CM1771-LA004
Cable
1492-CONACAB005Kc
1756-IF6I
4-Wire Transmitter
+
Power Supply
Transmitter
-
+
2-Wire
Transmitter
-
+
-
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
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1
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7
8
P
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A
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C
A
IN-0/I
RET-0
IN-1/I
RET-1
IN-2/I
RET-2
IN-3/I
RET-3
P
IN-0/V
IN-1/V
IN-2/V
IN-3/V
C
F
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3
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9
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17
19
18
20
15
16
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P
IN-4/I
RET-4
IN-5/I
RET-5
IN-4/V
IN-5/V
SH
d
1771-WF Swing Arm
From 1771-IL
Conversion Module Installation and Application Considerations
c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M)
d SHIELD GROUNDING: In some installations, the field wiring shield was grounded on the 1771 chassis. If this was the case, the installer must remove these
shield connections from the 1771 chassis and they can be connected to the grounding stud on the 1492-CM1771-LA004 module. The pre-wired cable used
between the 1492-CM1771-LA004 module and the 1756-IF6I [1492-CONACAB005K] provides a shield ground lug to ground the shield at the 1756 ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the conversion module grounding stud.
e The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
f Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features and
configuration details.
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
[Reference Doc: 41171-030]
(7)
V. Wiring Diagrams
WARNING
Conversion: 1771-IL to 1756 -IF6I (Voltage)
There are several key application considerations and system specifications (bottom of drawing) when
using these components (conversion module, cable and input module). Read and understand these
considerations before installation.
Conversion Module
1492-CM1771-LA004
+
Power Supply
2-Wire Transmitter
+
Transmitter
-
-
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
Cable
1492-CONACAB005Lc
18
17
16
15
14
13
12
11
10
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
Q
R
S
T
Z
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_
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S
a
W
_
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Q
R
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S
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V
Y
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^
X
`
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b
_
V
c
S
S
b
b
c
c
c
` S
b
c
V
T
V
U
V
V
V
T
3
4
13
14
17
18
Y
Z
[
_
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W
\ ]
_
_
_
V
S
R
W
W
V
V
b
V
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a
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[
]
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[
U
V
Z
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4
7
11
8
12
9
10
15
19
16
20
V
[
[
c
V
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Z
Z
b
Y
[
W
1
5
2
Y
Y
V
Z
W
S
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X
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V
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c
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b
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1756-IF6I
]
V
c
IN-0
RET-0
IN-1
RET-1
IN-2
RET-2
IN-3
RET-3
NO CONNECT
NO CONNECT
IN-4
RET-4
IN-5
RET-5
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
SH
d
d
1771-WF Swing Arm
From 1771-IL
Conversion Module Installation and Application Considerations
c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M)
d SHIELD GROUNDING: In some installations, the field wiring shield was grounded on the 1771 chassis. If this was the case, the installer must remove these
shield connections from the 1771 chassis and they can be connected to the grounding stud on the 1492-CM1771-LA004 module. The pre-wired cable used
between the 1492-CM1771-LA004 module and the 1756-IF6I [1492-CONACAB005L] provides a shield ground lug to ground the shield at the 1756 ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the conversion module grounding stud.
e The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
f Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features and
configuration details.
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
[Reference Doc: 41171-029 ]
(8)
Conversion: 1771-IL (1) to 1756-IF6I (2) (Current)
V. Wiring Diagrams
There are several key application considerations and system specifications (bottom of drawing) when
using these components (conversion module, cable and input module). Read and understand these
considerations before installation.
WARNING
Conversion Module
1492-CM1771-LA004
+
Power Supply
4-Wire Transmitter
+
Transmitter -
-
2-Wire
Transmitter
+
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
-
d
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Cable
1492-CONACAB005T1c
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
d
e
f
m
g
n
r
s
o
f
r
s
q
f
e
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m
n
r
s
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t
e
f
q
e
i
i
n
s
i
g
j
u
j
j
r
s
s
f
i
i
f
f
u
s
p
v
r
r
s
o
f
p
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u
u
v
1
2
7
8
v
v
f
u
g
h
i
g
IN-0/I
RET-0
IN-1/I
RET-1
IN-2/I
RET-2
IN-3/I
RET-3
v
IN-0/V
IN-1/V
IN-2/V
IN-3/V
i
l
m
r
o
p
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k
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h
i
i
n
r
p
p
n
m
r
j
o
n
j
j
l
l
n
1756-IF6I
3
5
4
6
9
11
10
12
l
l
m
m
i
i
i
j
g
i
i
m
v
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k
k
k
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f
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17
19
18
20
15
16
i
v
IN-4/I
RET-4
IN-5/I
RET-5
IN-4/V
IN-5/V
SH
d
1756-IF6I
1771-WF Swing Arm
From 1771-IL
3
5
4
6
9
11
10
12
1
2
7
8
17
19
18
20
15
16
IN-0/I
RET-0
IN-1/I
RET-1
IN-2/I
RET-2
IN-3/I
RET-3
IN-0/V
IN-1/V
IN-2/V
IN-3/V
IN-4/I
RET-4
IN-5/I
RET-5
IN-4/V
IN-5/V
Conversion Module Installation and Application Considerations
c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M)
d SHIELD GROUNDING: In some installations, the field wiring shield was grounded on the 1771 chassis. If this was the case,
the installer must remove these shield connections from the 1771 chassis and they can be connected to the grounding stud
on the 1492-CM1771-LA004 module. The pre-wired cable used between the 1492-CM1771-LA004 module and the 1756-IF6I [1492-CONACAB005T1]
provides a shield ground lug to ground the shield at the 1756 ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the
conversion module grounding stud.
e The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
f Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features and
configuration details.
g This configuration uses two (2) 1756-IF6I output modules to replace a single 1771-IL output module. This may require the use of a larger 1756 I/O chassis
and conversion mounting assembly. Ensure there is sufficient panel space to allow for this possibility.
[Reference Doc: 41171-032]
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(9)
V. Wiring Diagrams
WARNING
Conversion: 1771-IL (1) to 1756-IF6I (2) (Voltage)
There are several key application considerations and system specifications (bottom of drawing) when
using these components (conversion module, cable and input module). Read and understand these
considerations before installation.
Conversion Module
1492-CM1771-LA004
+
Power Supply
4-Wire Transmitter
+
Transmitter
-
-
2-Wire
Transmitter
+
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
-
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
d
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Cable
1492-CONACAB005T2c
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
w
x
y
€
z

‚
y
†
y
†
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w
x
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x
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z
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‰
‰
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{
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6
7
11
8
12
9
10
15
19
16
20
z
3
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13
14
17
18

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1
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2


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SH
1756-IF6I
d
1
5
2
1771-WF Swing Arm
From 1771-IL
IN-0
RET-0
IN-1
RET-1
IN-2
RET-2
IN-3
RET-3
NO CONNECT
NO CONNECT
IN-4
RET-4
IN-5
RET-5
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
4
7
11
8
12
9
10
15
19
16
20
3
4
13
14
17
18
IN-0
RET-0
IN-1
RET-1
IN-2
RET-2
IN-3
RET-3
NO CONNECT
NO CONNECT
IN-4
RET-4
IN-5
RET-5
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
Conversion Module Installation and Application Considerations
c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M).
d SHIELD GROUNDING: In some installations, the field wiring shield was grounded on the 1771 chassis. If this was the case,
the installer must remove these shield connections from the 1771 chassis and they can be connected to the grounding stud
on the 1492-CM1771-LA004 module. The pre-wired cable used between the 1492-CM1771-LA004 module and the 1756-IF6I [1492-CONACAB005T2]
provides a shield ground lug to ground the shield at the 1756 ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the
conversion module grounding stud.
e The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
f Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features and
configuration details.
g This configuration uses two (2) 1756-IF6I output modules to replace a single 1771-IL output module. This may require the use of a larger 1756 I/O chassis
and conversion mounting assembly. Ensure there is sufficient panel space to allow for this possibility.
[Reference Doc: 41171-031]
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(10)
V. Wiring Diagrams
WARNING
There are several key application considerations and system sp
cations (bottom of drawing) when using
these components (conversion module, cable and output module). Read and understand these considerations
before installation.

Š
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Cable
‹
±
2-Wire RTD
3-Wire RTD
Channel1 - C
Channel1 - B
Channel1 - A
Channel2 - C
Channel2 - B
Channel2 - A
Channel3 - C
Channel3 - B
Channel3 - A
Channel4 - C
Channel4 - B
Channel4 - A
Channel5 - C
Channel5 - B
Channel5 - A
Channel6 - C
Channel6 - B
Channel6 - A
d
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
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6
4
3
10
8
7
14
12
11
18
16
15
22
20
19
26
24
23
1
2
5
9
13
17
21
25
27
IN_0/RTD C
IN_0(-)/B
IN_0(+)A
IN_1/RTD C
IN_1(-)/B
IN_1(+)/A
IN_2/RTD C
IN_2(-)/B
IN_2(+)/A
IN_3/RTD C
IN_3(-)/B
IN_3(+)/A
IN_4/RTD C
IN_4(-)/B
IN_4(+)/A
IN_5/RTD C
IN_5(-)/B
IN_5(+)/A
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
28
29
30
31
32
33
34
35
36
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
Conversion Module Installation and Application Considerations
c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M)
d
shield connections from the 1771 chassis and they can be connected to the grounding stud on the 1492-CM1771-LA004 module. The pre-wired cable used
between the 1492-CM1771-LA004 module and the 1756-IRT8I [1492-CONACAB005F8] provides a shield ground lug to ground the shield at the 1756
ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the conversion module grounding stud.
e
f Refer to your 1771-IR and 1756-IRT8I Installation and User Manuals for additional information concerning comparisons of module wiring, features and
[Reference Doc: 10002306208]
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
(11)
V. Wiring Diagrams
WARNING
Conversion: 1771-IR to 1756-IR6I
There are several key application considerations and system specifications (bottom of drawing) when
using these components (conversion module, cable and input module). Read and understand these
considerations before installation.
Conversion Module
1492-CM1771-LA004
Channel1 - C
Channel1 - B
Channel1 - A
Channel2 - C
Channel2 - B
Channel2 - A
Channel3 - C
Channel3 - B
Channel3 - A
Channel4 - C
Channel4 - B
Channel4 - A
Channel5 - C
Channel5 - B
Channel5 - A
Channel6 - C
Channel6 - B
Channel6 - A
2-Wire RTD
3-Wire RTD
Cable
1492-CONACAB005Fc
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
d
É
Ê
Ë
Ò
Ì
Ó
×
Ø
×
Ø
Ë
Ø
Ø
É
Ð
Ï
×
Ø
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É
Ù
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Ð
Î
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Ð
Ï
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×
Î
Î
Î
Ê
Ð
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Ú
Ù
Ö
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Ô
Ë
Ô
Ú
Õ
Î
Û
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1756-IR6I
5
3
1
6
4
2
11
9
7
12
10
8
19
17
15
20
18
16
RTN-0/C
IN-0/B
IN-0/A
RTN-1/C
IN-1/B
IN-1/A
RTN-2/C
IN-2/B
IN-2/A
RTN-3/C
IN-3/B
IN-3/A
RTN-4/C
IN-4/B
IN-4/A
RTN-5/C
IN-5/B
IN-5/A
SH
d
1771-WF Swing Arm
From 1771-IR
Conversion Module Installation and Application Considerations
c Cables are available in lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M).
d SHIELD GROUNDING: In some installations, the field wiring shield was grounded on the 1771 chassis. If this was the case, the installer must remove these
shield connections from the 1771 chassis and they can be connected to the grounding stud on the 1492-CM1771-LA004 module. The pre-wired cable used
between the 1492-CM1771-LA004 module and the 1756-IR6I [1492-CONACAB005F] provides a shield ground lug to ground the shield at the 1756 ControlLogix chassis, this must be connected. Do NOT connect this ground lug to the conversion module grounding stud.
e The 1771-IR input configuration was software configured, as is the 1756-IR6I. Please ensure the correct configuration in the 1756-IR6I.
f Refer to your 1771-IR and 1756-IR6I Installation and User Manuals for additional information concerning comparisons of module wiring, features and
configuration details.
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
[Reference Doc: 41170-950]
(12)
V. Wiring Diagrams
Conversion: 1771-OQ (2) to 1756-OB16I (1)
There are several key application considerations and system specifications (bottom of drawing) when
using these components (conversion module, cable and input module). Read and understand these
considerations before installation.
WARNING
Conversion Module
1492-CM1771-LA004
LOAD
+
LOAD
Not Used
DC-1
OUTPUT-0
DC-1
OUTPUT 1
OUTPUT 2
DC-2
OUTPUT 3
DC-2
DC-3
OUTPUT-4
DC-3
OUTPUT 5
OUTPUT 6
DC-4
OUTPUT 7
DC-4
Not Used
Cable
1492-C005005XTc
18
17
16
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Cable “A”
ä
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Conversion Module
1492-CM1771-LA004
LOAD
+
LOAD
18
17
16
15
14
13
12
11
10
9
8
7
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5
4
3
2
1
Cable “B”
18
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2
1
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ë
33
34
35
36
á
è
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ê
ê
Þ
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î
DC-1
OUTPUT-8
DC-1
OUTPUT 9
OUTPUT 10
DC-2
OUTPUT 11
DC-2
DC-3
OUTPUT-12
DC-3
OUTPUT 13
OUTPUT 14
DC-4
OUTPUT 15
DC-4
NOT USED
NOT USED
NOT USED
NOT USED
î
Þ
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à
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á
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Þ
á
è
DC-1
OUTPUT-0
DC-1
OUTPUT 1
OUTPUT 2
DC-2
OUTPUT 3
DC-2
DC-3
OUTPUT-4
DC-3
OUTPUT 5
OUTPUT 6
DC-4
OUTPUT 7
DC-4
á
ì
Ü
é
ç
18
17
20
19
21
22
23
24
26
25
28
27
29
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31
32
á
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á
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2
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4
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î
1771-WF Swing Arm
From 1771-OQ
Not Used
DC-1
OUTPUT-8
DC-1
OUTPUT 9
OUTPUT 10
DC-2
OUTPUT 11
DC-2
DC-3
OUTPUT-12
DC-3
OUTPUT 13
OUTPUT 14
DC-4
OUTPUT 15
DC-4
Not Used
1756-OB16I
Þ
ç
í
á
è
î
1771-WF Swing Arm
From 1771-OQ
Conversion Module Installation and Application Considerations
c This Bul. 1492 cable consists of 2 separate cables (cable “A” and cable “B”) wired to one 1756-OB16I RTB. Each cable can be either
0.5M or 1.0M (005=0.5M, 010=1.0M). Ensure that cable A and cable B are connected to the correct module in the conversion
d The 1771-OQ module output resistive current limits versus 1756-OB16I limits are as follows:
a) Current/Point
b) Current/Module
c) Surge Current/Point
1771-OQ
2.25A
9A
4A for 10ms
1756-OB16I w/ 1492-C005005XT
2A
8A
4A for 10ms
e The 1771-OQ is rated 10V to 32V DC. The 1756-OB16I is rated 10V to 30V DC.
f Refer to your 1771-OQ and 1756-OB16I Installation Manual wiring schematics and diagrams for more details. Ensure 1756 output module
ratings are not exceeded.
PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
[Reference Doc: 41171-033]
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PN-114290
DIR 10000060101 (Version 04)
Publication 1492-IN048C-EN-E
PN-114290
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