Page 1
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 Ch Analog I/O module(s) and consists of the following:
(1) 1771 I/O Module (8ch) to (1) 1756 I/O Module (6ch)
(1) Conversion Module: 1492-CM1771-LA004
(1) Cable: 1492-CONACAB005F or 1492-CONACAB005K or 1492-CONACAB005L (Table 2)
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)
(1) 1771 I/O Module (8ch) to (2) 1756 I/O Modules (6ch) - (4ch) on each 1756 I/O Module
(1) Conversion Module(s): 1492-CM1771-LA004
(1) Cable: 1492-CONACAB005T1 or 1492-CONACAB005T2 (Table 2)
(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 (Table 2)
(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
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.
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
Printed in U.S.A.
Page 2
I. Description (Cont’d)
Conversion Compatibility
and Product I.D. Label
25-Pin Connector for cable 1492-CONACAB005_
1492-CM1771-LA004 Conversion Module
Conversion Compatibility
and Product I.D. Label
37-Pin Connector for cable
1492-CONACAB005
T_
Cable
1492-CONACAB
Conversion
Compatibility and
Product I.D. Label
25-Pin Connector
for cable
1492-C005005XT
005T_
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DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
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Page 3
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.
Table 1: Bulletin 1771 to 1756 Chassis Conversion
1771 Chassis 1756 Chassis Conversion Mounting Assembly
Max
Cat. No.
1771-A1B 4 9.01 12.61
1771-A2B 8 14.01 17.61
1771-A3B1
1771-A4B 16 24.01
Slots
for
I/O
12 19.01
Chassis Width
without
Power
Supply
with
Power
Supply
Cat. No.
1756-A4
1756-A7
1756-A7
1756-A10
1756-A10
1756-A13
1756-A13
1756-A17
Max
Slots
Chassis
for
I/O
12 23.15
12 23.15
16 29.06
Width
3 10.35
6 14.49
6 14.49
9 19.02
9 19.02
Max Slots
Cat. No.
1492-MUA1B-A4-A7 4 9.01
1492-MUA2B-A7-A10 8 14.01
1492-MUA3-A10-A13 12 19.01
1492-MUA4-A13-A17 16 24.01
for
Conversion
Modules
Chassis
Width
Foot Notes:
1771-A3B is not listed as it is used for 19 inch wide instrumentation panels.
Notice that the 1756 Chassis Width sometimes exceeds the 1771 Chassis Width, with or without the Power Supply. The
Cover-Plate 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.
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III. Compatibility
1771
1492
Analog I/O Module
Analog I/O Module
1756
I/O Conversion Module
1492
Cable
1771-IL 1756-IF6I (6 ch Current) 1492-CM1771-LA004 1492-CONACAB005K
1771-IL 1756-IF6I (6 ch Voltage) 1492-CM1771-LA004 1492-CONACAB005L
1771-IL 1756-IF6I (6 ch Current) (Qty 2) 1492-CM1771-LA004 1492-CONACAB005T1
1771-IL 1756-IF6I (6 ch Voltage) (Qty 2) 1492-CM1771-LA004 1492-CONACAB005T2
1771-IR 1756-IR6I 1492-CM1771-LA004 1492-CONACAB005F
1771-OQ (Qty 2) (Digital) 1756-OB16I 1492-CM1771-LA004 1492-C005005XT
oot Notes:
To understand any issues concerning I/O module compatibility, refer to the Installation Manuals for the specific
1771 and 1756 I/O modules involved.
The 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 or 1492-CONACAB010K or 1492-CONACAB010L
1.0M = 1492-CONACAB010T1 or 1492-CONACAB010T2
The 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
IV. Conversion Module Specifications
(Operating specifications are when installed in the Conversion System base / cover-plate assembly)
Specification Value
Dimensions
Approximate Shipping Weight
Storage Temperature Operating Temperature 0 to 60 C (32 to 40° F)
Operating Humidity 5 to 95% at 60° C (non-condensing)
Shock
Non-operating
Operating
Operating Vibration 2g at 10 to 500Hz (Agrees with 1756 I/O module specification)
Maximum Operating Voltage 30 Vdc
Max. Module Operating Current
Per Point:
Per Module:
Agency Certifications
Pollution Degree 2
Environmental Rating IP20
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)
250.6 g (0.55 lbs) (includes carton)
40 to +85 C (-40 to 185° F)
50g
30g
2 Amps
12 Amps
NOTICE
UL Classified: Under UL File Number E113724
CSA
CE: compliant for all applicable directives
Refer to the Wiring Diagram(s) for
current limits for a specific configuration.
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
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Page 5
V. Wiring Diagrams
Conversion: 1771-IL to 1756 -IF6I (Voltage)
WARNING
2-Wire Transmitter
+
TransmitterPower Supply
-
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
+
-
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
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
1492-CONACAB005L 1756-IF6I
Orange/Red
White/Red
Black/Red
Blue/White
Green/White
Red/White
Black/White
Blue/Black
Orange/Black
Green/Black
Red/Black
White/Black
Blue
Orange
Green
Red
White
Black
Cable
1
5
2
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
SH
1771-WF Swing Arm
From 1771-IL
Conversion Module Installation and Application Considerations
This Bul. 1492 cable consists of a cable wired to one 1756-IF6I RTB. Recommended cable lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M).
See table 2 for other lengths.
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.
The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features
and configuration details. [Reference Doc: 41171-029 (Version 00)]
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
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V. Wiring Diagrams (Cont’d)
Conversion: 1771-IL to 1756-IF6I (Current)
WARNING
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
1492-CONACAB005K 1756-IF6I
4-Wire Transmitter
+
TransmitterPower Supply
-
2-Wire
Transmitter
+
-
+
-
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
18
Orange/Red
White/Red
Black/Red
Blue/White
Green/White
Red/White
Black/White
Blue/Black
Orange/Black
Green/Black
Red/Black
White/Black
Blue
Orange
Green
Red
White
Black
Cable
3
IN-0/I
5
RET-0
4
IN-1/I
6
RET-1
9
IN-2/I
11
RET-2
10
IN-3/I
12
RET-3
1
IN-0/V
2
IN-1/V
7
IN-2/V
8
IN-3/V
17
IN-4/I
19
RET-4
18
IN-5/I
20
RET-5
15
IN-4/V
16
IN-5/V
SH
1771-WF Swing Arm
From 1771-IL
Conversion Module Installation and Application Considerations
This Bul. 1492 cable consists of a cable wired to one 1756-IF6I RTB. Recommended cable lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M).
See table 2 for other lengths.
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.
The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features
and configuration details. [Reference Doc: 41171-030 (Version 00)]
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
(6)
Page 7
V. Wiring Diagrams (Cont’d)
Conversion: 1771-IL (1) to 1756-IF6I (2) (Voltage)
+
-
WARNING
4-Wire Transmitter
+
TransmitterPower Supply
-
2-Wire
Transmitter
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
1492-CONACAB005T2 1756-IF6I
+
-
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
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
Orange/Red
White/Red
Black/Red
Blue/White
Green/White
Red/White
Black/White
Blue/Black
Orange/Black
Green/Black
Red/Black
White/Black
Blue
Orange
Green
Red
White
Black
Cable
1
5
2
6
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
SH
1756-IF6I
1
IN-0
5
RET-0
1771-WF Swing Arm
From 1771-IL
2
4
7
11
8
12
9
10
15
19
16
20
3
4
13
14
17
18
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
This Bul. 1492 cable consists of a cable wired to two 1756-IF6I RTB. Recommended cable lengths of 0.5M or
1.0M (005=0.5M, 010=1.0M). See table 2 for other lengths.
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.
The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features
and configuration details.
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 (Version 00)]
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
(7)
Page 8
V. Wiring Diagrams (Cont’d)
Conversion: 1771-IL (1) to 1756-IF6I (2) (Current)
WARNING
+
-
4-Wire Transmitter
+
-
2-Wire
Transmitter
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
TransmitterPower Supply
+
-
Channel0
Channel0
Channel1
Channel1
Channel2
Channel2
Channel3
Channel3
Channel4
Channel4
Channel5
Channel5
Channel6
Channel6
Channel7
Channel7
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
SH
Orange/Red
White/Red
Black/Red
Blue/White
Green/White
Red/White
Black/White
Blue/Black
Orange/Black
Green/Black
Red/Black
White/Black
Blue
Orange
Green
Red
White
Black
1492-CONACAB005T1 1756-IF6I
Cable
3
IN-0/I
5
RET-0
4
IN-1/I
6
RET-1
9
IN-2/I
11
RET-2
10
IN-3/I
12
RET-3
1
IN-0/V
2
IN-1/V
7
IN-2/V
8
IN-3/V
17
IN-4/I
19
RET-4
18
IN-5/I
20
RET-5
15
IN-4/V
16
IN-5/V
1771-WF Swing Arm
From 1771-IL
1756-IF6I
3
IN-0/I
5
RET-0
4
IN-1/I
6
RET-1
9
IN-2/I
11
RET-2
10
IN-3/I
12
RET-3
1
IN-0/V
2
IN-1/V
7
IN-2/V
8
IN-3/V
17
IN-4/I
19
RET-4
18
IN-5/I
20
RET-5
15
IN-4/V
16
IN-5/V
Conversion Module Installation and Application Considerations
This Bul. 1492 cable consists of a cable wired to two 1756-IF6I RTB. Recommended cable lengths of 0.5M or
1.0M (005=0.5M, 010=1.0M). See table 2 for other lengths.
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.
The 1771-IL input configuration was software configured, as is the 1756-IF6I. Please ensure the correct configuration in the 1756-IF6I.
Refer to your 1771-IL and 1756-IF6I Installation and User Manuals for additional information concerning comparisons of module wiring, features
and configuration details.
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 (Version 00)]
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
(8)
Page 9
V. Wiring Diagrams (Cont’d)
Conversion: 1771-IR to 1756-IR6I
2-Wire RTD
3-Wire RTD
WARNING
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
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
1492-CM1771-LA004
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1492-CONACAB005F 1756-IR6I
18
Orange/Red
17
White/Red
16
Black/Red
15
Blue/White
14
Green/White
13
Red/White
12
Black/White
11
Blue/Black
10
Orange/Black
Green/Black
9
Red/Black
8
White/Black
7
Blue
6
Orange
5
4
Green
Red
3
White
2
1
Black
Cable
11
19
17
15
20
18
16
12
10
6
4
2
9
7
8
5
3
1
RTN-0/C
IN-0/B
IN-0/A
R
TN-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
1771-WF Swing Arm
From 1771-IR
Conversion Module Installation and Application Considerations
This Bul. 1492 cable consists of a cable wired to one 1756-IR6I RTB. Recommended cable lengths of 0.5M or 1.0M (005=0.5M, 010=1.0M).
See table 2 for other lengths.
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.
The 1771-IR input configuration was software configured, as is the 1756-IR6I. Please ensure the correct configuration in the 1756-IR6I.
Refer to your 1771-IR and 1756-IR6I Installation and User Manuals for additional information concerning comparisons of module wiring, features
and configuration details. [Reference Doc: 41170-950 (Version 02)]
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
(9)
Page 10
V. Wiring Diagrams (Cont’d)
Conversion: 1771-OQ (2) to 1756-OB16I (1)
WARNING
+
-
+
-
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.
Not Used
LOAD
LOAD
1771-WF Swing Arm
From 1771-OQ
LOAD
LOAD
OUTPUT-0
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT-4
OUTPUT 5
OUTPUT 6
OUTPUT 7
Not Used
Not Used
OUTPUT-8
OUTPUT 9
OUTPUT 10
OUTPUT 11
OUTPUT-12
OUTPUT 13
OUTPUT 14
OUTPUT 15
Not Used
DC-1
DC-1
DC-2
DC-2
DC-3
DC-3
DC-4
DC-4
DC-1
DC-1
DC-2
DC-2
DC-3
DC-3
DC-4
DC-4
Conversion Module
1492-CM1771-LA004
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Conversion Module
1492-CM1771-LA004
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
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Orange/Red
White/Red
Black/Red
Blue/White
Green/White
Red/White
Black/White
Blue/Black
Orange/Black
Green/Black
Red/Black
White/Black
Blue
Orange
Green
Red
White
Black
Cable “B”
Orange/Red
White/Red
Black/Red
Blue/White
Green/White
Red/White
Black/White
Blue/Black
Orange/Black
Green/Black
Red/Black
White/Black
Blue
Orange
Green
Red
White
Black
Cable
1492-C005005XT 1756-OB16I
Cable “A”
10
12
11
13
14
15
16
2
1
4
3
5
6
7
8
9
18
17
20
19
21
22
23
24
26
25
28
27
29
30
31
32
33
34
35
36
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
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
1771-WF Swing Arm
From 1771-OQ
Conversion Module Installation and Application Considerations
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
The 1771-OQ module output resistive current limits versus 1756-OB16I limits are as follows:
1771-OQ 1756-OB16I w/ 1492-C005005XT
a) Current/Point 2.25A 2A
b) Current/Module 9A 8A
c) Surge Current/Point 4A for 10ms 4A for 10ms
The 1771-OQ is rated 10V to 32V DC. The 1756-OB16I is rated 10V to 30V DC.
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. [Reference Doc: 41171-033 (Version 00)]
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
(10)
Page 11
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
(11)
Page 12
PN-114290
DIR 10000060101 (Version 01)
Publication 1492-IN048B-EN-E
Printed in U.S.A.
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