Allen-Bradley ControlLogix 1756-IA16I User manual

Publication 1756-5.9 - September 1999
Installation Instructions
ControlLogix
AC (79-132V) Isolated Input Module
(Catalog Number 1756-IA16I)
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To: See page:
Prevent Electrostatic Discharge 2
See Removal and Insertion Under Power (RIUP) 2
Understand Compliance to European Union Directive 3
Note the Power Requirements 4
Identify the Module Components 4
Install the Module 5
Key the Removable Terminal Block/Interface Module 6
Wire the Removable Terminal Block 7
Assemble the Removable Terminal Block and the Housing 9
Install the Removable Terminal Block onto the Module 10
Check the Indicators 11
Remove the Removable Terminal Block from the Module 12
Remove the Module 12
See Specifications 13
Understand CSA Hazardous Location Approval 14
Allen-Bradley PLCs

2ControlLogix AC (79-132V) Isolated Input Module
Publication 1756-5.9 - September 1999
Prevent Electrostatic Discharge
Removal and Insertion Under Power (RIUP)
ATTENTION
!
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ControlLogix AC (79-132V) Isolated Input Module 3
Publication 1756-5.9 - September 1999
Understand Compliance to European Union Directive
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Allen-Bradley PLCs

4ControlLogix AC (79-132V) Isolated Input Module
Publication 1756-5.9 - September 1999
Note the Power Requirements
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Identify the Module Components
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Removable Terminal Block and Housing
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AC INPUT
20939-M
Side view Front view
1756-IA16I module RTB door
label
Jumper
bar
The jumper bar part number is 97739201. Contact your Rockwell Automation
sales representative to order additional jumper bars, if necessary.

ControlLogix AC (79-132V) Isolated Input Module 5
Publication 1756-5.9 - September 1999
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Install the Module
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20861–M 20862–M
21
Align circuit board with top and
bottom chassis guides. Slide module into chassis until module tabs ‘click’.
Printed
Circuit
Board
Locking tab
Allen-Bradley PLCs

6ControlLogix AC (79-132V) Isolated Input Module
Publication 1756-5.9 - September 1999
Key the Removable Terminal Block/Interface Module
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20850–M
U-shaped
Keying Band
20851–M
12
0
34567
Wedge-shaped
Keying Tab
Begin keying in
section #6 or #7.
Module side of RTB

ControlLogix AC (79-132V) Isolated Input Module 7
Publication 1756-5.9 - September 1999
Wire the Removable Terminal Block
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For the Spring Clamp RTB
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For the Cage Clamp RTB
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20860–M
20859–M
Allen-Bradley PLCs

8ControlLogix AC (79-132V) Isolated Input Module
Publication 1756-5.9 - September 1999
Wiring example
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Non-isolated
wiring
Isolated
wiring
30243-M
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
NOTES: All terminals with the same name are connected together on the module.
For example, L2 can be connected to either terminal marked L2-15.
When you use the second L2-15 terminal to daisy chain to other RTBs, always
connect the daisy chain to the terminal directly connected to the supply wire, as
shown in the example above.
Daisy chan to other RTBs
L2-0
1756-IA16I
L2-0
L2-1
L2-2
L2-3
L2-8
L2-4
L2-5
L2-6
L2-7
Not used
L2-9
L2-10
L2-11
L2-12
L2-13
L2-14
L2-15
L2-15
IN-0
IN-1
IN-2
IN-3
IN-8
IN-4
IN-5
IN-6
IN-7
Not used
IN-9
IN-10
IN-11
IN-12
IN-13
IN-14
IN-15
Not used
L2-2
L2-4
L2
L1
L1-0
L1-2
L1-4
Jumper bar (Cut to length)

ControlLogix AC (79-132V) Isolated Input Module 9
Publication 1756-5.9 - September 1999
Assemble the Removable Terminal Block and the Housing
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20858–M
Groove
1756-TBCH RTB shown for reference
Groove
Side edge of RTB
Side edge of RTB
Strain relief area
Allen-Bradley PLCs

10 ControlLogix AC (79-132V) Isolated Input Module
Publication 1756-5.9 - September 1999
Install the Removable Terminal Block onto the Module
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20853–M 20854–M
Top
guide
Left-side guides
Bottom guide
Locking
tab
Align the top, bottom and left
side guides of the RTB with
the guides on the module.
Press quickly and evenly to seat
the RTB on the module until the
latches snap into place. Slide
the locking tab down to lock the
RTB onto the module.