Allen-Bradley 1492 1771-N Series I/O to 1756 ControlLogix I/O Installation Instructions

Allen-Bradley 1492 1771-N Series I/O to 1756 ControlLogix I/O Installation Instructions

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1771-N Series I/O to 1756 ControlLogix I/O
(Cat 1492-CONACAB020N* and 1492-CONACAB050N*)
I. Description of the Existing 1771-N Series I/O Wiring System
The remote termination panels are designed for mounting on standard
DIN 1 or DIN 3 mounting rails.
1771-NIS 4 - 20mA
±5V (±20mA)
4 - 20mA
±5V (±20mA)
4 - 20mA
±5V (±20mA)
4 - 20mA
±5V (±20mA)
4 - 20mA
±5V (±20mA)
4 - 20mA
±5V (±20mA)
4 - 20mA
±5V (±20mA)
4 - 20mA
±5V (±20mA)
±10V ±10V ±10V ±10V ±10V ±10V ±10V ±10V
±10V out ±10V out ±10V out ±10V out ±10V out ±10V out ±10V out ±10V out
0 - 25mA out 0 - 25mA out 0 - 25mA out 0 - 25mA out 0 - 25mA out 0 - 25mA out 0 - 25mA out 0 - 25mA out
±5V (±20mA) ±5V (±20mA) ±5V (±20mA) ±5V (±20mA) RTD RTD RTD RTD
RTD RTD RTD RTD RTD RTD RTD RTD
±5V (±20mA) ±5V (±20mA) ±5V (±20mA) ±5V (±20mA) ±100mV / TC ±100mV / TC ±100mV / TC ±100mV / TC
±100mV / TC ±100mV / TC ±100mV / TC ±100mV / TC ±100mV / TC ±100mV / TC ±100mV / TC ±100mV / TC
-5 / +55mV / TC -5 / +55mV / TC -5 / +55mV / TC -5 / +55mV / TC -5 / +55mV / TC -5 / +55mV / TC -5 / +55mV / TC -5 / +55mV / TC
Module Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8
1771-NIV
1771-NIV1
1771-NIVR
1771-NIVT
1771-NR
1771-NT1
1771-NT2
1771-NOC
1771-NOV
1771-RTP1
1771-RTP3
has cold junction compensation for thermocouples
incorporates resistors and fuses; used primarily for 4 - 20mA
inputs when using ±5V inputs (Uses 5mm x 20mm fast acting
1/4A fuses such as Bussmann GMA-1/4, 250V / 250mA)
1771-RTP4 a general use block with straight-thru wiring that can be used
for all applications except thermocouples
1771-RT41 a 4-channel block with cold junction compensation for
thermocouples
1771-RT44 a general use 4-channel block with straight-thru wiring that
can be used for all applications except thermocouples
RTP4 and RT44 can be used with thermocouples if a method of odd
junction compensation is provided at the interface of thermocouple and
copper wires within the system
Catalog
Number Description
PN-107134
DIR 10000165561 (Version 02)
Publication 1492-IN104C-EN-E
Printed in U.S.A.
The 1771-N Series High Resolution Isolated Analog I/O modules were designed to be used with 1771 Remote Termination
Panels (RTPs) and connected by a 6ft or 15ft cable, as follows.
Catalog Number: 1771-NC6 (6 ft) or 1771-NC15 (15 ft) cables.
Variations of remote termination panels are used, depending on the type of module used. These are:
(1)
(2)
II. Description of the Conversion Solution
Cable Catalog Numbers:
1492-CONACAB020N1
1492-CONACAB020N2
1492-CONACAB020N3
1492-CONACAB020N4
1492-CONACAB020N5
1492-CONACAB020N7
Cable Catalog Numbers:
1492-CONACAB020N5
1492-CONACAB020N6
Cable Catalog Number:
1492-CONACAB020N8
1492-CONACAB020N88
1492-CONACAB020N38
1492-CONACAB020N78
1492-CONACAB020N48
1492-CONACAB020N18
PN-107134
DIR 10000165561 (Version 02)
Publication 1492-IN104C-EN-E
This conversion from the 1771-N Series I/O to a 1756 ControlLogix I/O is accomplished simply by replacing the (2) existIng
cables A & B with (1 or 2) of the following new 1492 cables. Each of these cables has a connector on one end that attaches
directly to the existing 1771 RTP. On the other end of the new cable is (1) 1756 Removable Terminal Block (RTB) for connection
to the new 1756 ControlLogix I/O Module. The I/O signals are routed from the existing 1771 RTP through the 1492 cables to the
appropriate terminals on the 1756 I/O module, per the Wiring Diagrams in this Installation Manual. This allows the conversion
to be completed without the removal of any field wires from the existing 1771-RTP.
Cable Catalog Numbers:
1492-CONACAB020N68
1492-CONACAB020N34
1492-CONACAB020N44
1492-CONACAB020N54
1492-CONACAB020N74
(3)
III. Compatibility for I/O Modules
PN-107134
DIR 10000165561 (Version 02)
Publication 1492-IN104C-EN-E
Foot Notes:
 To understand any issues concerning I/O module compatibility refer to the Installation Manuals for the specific I/O modules involved.
‚This conversion solution requires replacement of the exisiting (1) 1771-RTP1 interface module with (2) 1771-RT41 interface modules.
Each 1771-RTP1 module has a cold junction compensation thermocouple attached to the interface module.
ƒThese catalog numbers are for a 2.0M cable length. A 5.0M cable is also available. Change the 3 numerals in the middle of the catalog
number from "020" to "050" (Example: 1492-CONACAB020N1 becomes 1492-CONACAB050N1).
 
‚
4 These cables have a maximum operating voltage of 30VDC , 2A maximum per pin, 12A maximum per cable.
… Wiring diagram for these are identical.
…
ƒ4
                                                     ! " # $   % & '                    ! " # $   % &                    (   ! " # $ ' ) '  % &  ' * (     +  + , - ( -    ' * (     +  + , - ( -          .              ! " # $   % &        .            . (   ! " # $ ' ) '  % &  ' * (     +  + , - ( -  (  ' * (     +  + , - ( -  (        /              ! " # $   % & *       /           (   ! " # $ ' ) '  % &  ' * (     +  + , - ( -  0  ' * (     +  + , - ( -  0  -       /            / 1 2 # 3 4 ! $   % &         /           ( / 1 2 # 3 4 ! $ ' ) '  % &  ' * (     +  + , - ( -    ' * (     +  + , - ( -    (       /           (   ! " # $ +  '  % & )/ 1 2 # 3 4 ! $ ,  '  % &  ' * (     +  + , - ( -  0  ' * (     +  + , - ( -    0       /           ( / 1 2 # 3 4 ! $ +  '  % & )  ! " # $ ,  '  % &  ' * (     +  + , - ( -    ' * (     +  + , - ( -  0  '      5        5 6    5 6 7 $   % &        5        5   ( 5 6 7 $ ' ) '  % &  ' * (     +  + , - ( -  '  ' * (     +  + , - ( -  '        6         5 6    6 % ! 8 1 9 1  : 2 ! $   % &        6         6   ( 6 % ! 8 1 9 1  : 2 ! $ ' ) '  % &  ' * (     +  + , - ( -    ' * (     +  + , - ( -           /            / 1 2 # 3 4 ! $   % &  *       /          /  ( / 1 2 # 3 4 ! $ ' ) '  % &  ' * (     +  + , - ( -    ' * (     +  + , - ( -   ( -       /             / 1 2 # 3 4 ! $   % & (        /            ( / 1 2 # 3 4 ! $ ' ) '  % &  ' * (     +  + , - ( -    ' * (     +  + , - ( -   ( (      6 (        5 6    6 % ! 8 1 9 1  : 2 ! $   % &        6 (        6   ( ( 6 % ! 8 1 9 1  : 2 ! $ ' ) '  % &  ' * (     +  + , - ( -    ' * (     +  + , - ( -   ( 0      5 6    5 6 7 $ '  % &   ' * (     +  + , - ( -  ' '          / 1 2 # 3 4 ! $ '  % &  ' * (     +  + , - ( -   '       5    5 6 7 $ '  % &   ' * (     +  + , - ( -  '          / 1 2 # 3 4 ! $ '  % &  ' * (     +  + , - ( -         5 6    5 6 7 $ '  % &   ' * (     +  + , - ( -  ' '            ! " # $ '  % &  ' * (     +  + , - ( -  0 '       5    5 6 7 $ '  % &   ' * (     +  + , - ( -  '            ! " # $ '  % &  ' * (     +  + , - ( -  0       5 6    6 % ! 8 1 9 1  : 2 ! $ '  % &   ' * (     +  + , - ( -   '          / 1 2 # 3 4 ! $ '  % &  ' * (     +  + , - ( -   '       6    6 % ! 8 1 9 1  : 2 ! $ '  % &   ' * (     +  + , - ( -            / 1 2 # 3 4 ! $ '  % &  ' * (     +  + , - ( -         5 6    6 % ! 8 1 9 1  : 2 ! $ '  % &   ' * (     +  + , - ( -   '            ! " # $ '  % &  ' * (     +  + , - ( -  0 '       6    6 % ! 8 1 9 1  : 2 ! $ '  % &   ' * (     +  + , - ( -              ! " # $ '  % &  ' * (     +  + , - ( -  0  0 
( ( ( ( *0 -
 ' * (     +  + , - ( -  0  ' * (     +  + , - ( -  0  ; < = < > ?@ <  ? =  AB  ?  C
( '( 
 ' * (     +  + , - ( -    ' * (     +  + , - ( -   
. # 3 " D 3 D      E F 4 %5 ! G 1 2  H 1 " ) 
I J K@  L M = < N O  >
       / 5 
 ' * (     +  + , - ( -   
 ' * (     +  + , - ( -  '  ' * (     +  + , - ( -   
     @  L M = < N O  >   > P  = L <  >           ? Q  A   =
 ' * (     +  + , - ( -   
  > P  = R  S  > P  = T =  A S  ' * (     +  + , - ( -    ' * (     +  + , - ( -  
       / 6 
 1 8 U F " 3 H 1 "      E F 4 %5 ! G 1 2  H 1 " )         / 6        / 6        / 6 
       / 5        / 5        / 5 
‚
‚
…
‚
(4)
PN-107134
DIR 10000165561 (Version 02)
Publication 1492-IN104C-EN-E
[Reference Doc: DIR 10002306650]
B1
B2
B3
B4
B5
A4
A5
B8
B9
A6
A7
B12
B13
A8
A9
B16
B17
A10
A11
3
2
W2
SH
W3
I8
I7
I6
I5
I4
I3
I1
I2
R8
R7
R6
R5
R4
R3
R2
R1
V W X Y Z [ \ ] ^
CURRENT
LOAD
A1
A2
A3
B12
B13
A12
A13
B14
B15
A14
A15
B16
B17
A16
A17
B18
B19
A18
A19
CR
W1
CL
O8
O7
O6
O5
O4
O3
O1
O2
S8
S7
S6
S5
S4
S3
S2
S1
15
4
18
7
21
10
24
13
6
4
15
4
18
7
21
10
24
13
3
14
12
11
_ ` a b cd e f g h
i j h h kl j a k m hd e f g h n _ ` a b c
d e f g h n o h p
d e f g h n l j a k m hi j a q
_ ` a b cd e f g h
i j h h kl j a k m hd e f g h n _ ` a b c
d e f g h n o h p
d e f g h n l j a k m hi j a q
OUT_0/I
OUT_1/I
OUT_2/I
OUT_3/I
RTN_0
RTN_2
1492-CONACAB020N88
22
20
19
30
28
27
OUT_4/I
OUT_5/I
OUT_6/I
OUT_7/I
RTN_4
RTN_6
Cable”A”
Cable”B”
25
24
31
26
33
32
1
8
7
10
9
16
15
2
23N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
34
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
18
17 35
36
N.C.
N.C.
N.C.
N.C.
21 RTN_5
29 RTN_7
13 RTN_3
5 RTN_1
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: 1771-NOC (1) To 1756-OF8I (1) (Current)
Using Existing 1771-RTP3 or RTP4 Interface Module
Interface Module Installation and Application Considerations
 Cables are available in lengths of 2.0M or 5.0M (020=2.0M, 050=5.0M)
‚ Terminals starting with A are the lower row of terminals, B terminals are the upper row.
ƒ Follow your PLC Analog User Manual for proper shield grounding instructions.
„ Terminals w1, w2, w3, are spares used for field wire convenience. NOTE: This is only true for module RTP3 and RTP4. The Bul. 1492
cable does not connect to these terminals.
„

Interface Module
1771-RTP3 or 1771-RTP4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
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