Terminal Blocks and Wiring Systems

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Wiring Systems

Introduction Standards Compliance and Certifications Selecting a Wiring System Catalog Number Explanation 1746 Digital I/O Module Selection 1746 Analog I/O Module Selection 1756 Digital I/O Module Selection
1756 Analog I/O Module Selection MicroLogix 1200 Embedded 40 I/O Controllers to IFM and Cable Selection Tables MicroLogix 1500 Base Unit I/O to IFM and Cable Selection Tables 1769 Digital I/O Module Selection 1769 Analog I/O Module Selection 1794 Digital Flex I/O Module Selection 1794 Analog Flex I/O Module Selection
1771 Digital I/O Module Selection 1771 Analog I/O Module Selection PowerFlex 700H and 700S Drive IFM and Cable Selection Table IFM-Ready I/O Cable Selection Build-to-Order Length Cable Selection Specifications
1794 Digital Flex I/O Module Selection

Bulletin 1794 IFM and Cable Selection Table

Pre-Wired Cable and IFMs for Bulletin 1794 Digital 8-Point and 16-Point I/O Modules ‡ 

Description of 20-Pin IFM and Flex Distributed I/O Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ¬  Flex Digital I/0 Module — Uses D-Shell Base 179-TB37DS
IB16 IB8 IB10XOB6 IV16 OB16 OB16P OB8 OB8EP OV16 OV16P OW8
Feed-through
Standard 264V AC/DC Max. 1492-IFM20F 1492-RIFM20F 1492-RTB20µ A94 A94 A94 A94 A94 A94 A94 A94 A94 A94 A94
Narrow standard 132V AC/DC Max. 1492-IFM20FN 1492-RIFM20FN 1492-RTB10µ A94 A94 A94 A94 A94 A94 A94 A94 A94 A94 A94
Extra terminals (2 per I/O) 264V AC/DC Max. 1492-IFM20F-2 1492-RIFM20F-2 1492-RTB20µ A94 A94 A94 A94 A94 A94 A94 A94 A94 A94 A94
3-wire sensor type input devices 132V AC/DC Max. 1492-IFM20F-3 A94 A94 A94
 
Description of 20-Pin IFM and Flex Distributed I/O Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ¬  Flex Digital I/0 Module — Uses D-Shell Base 179-TB37DS
IB16 IB8 IB10XOB6 IV16 OB16 OB16P OB8 OB8EP OV16 OV16P OW8
LED Indicating
Standard with 24V AC/DC LEDs 1492-IFM20D24 A94 A94 A94 A94 A94 A94
Narrow standard with 24V AC/DC LEDs 1492-IFM20D24N A94 A94 A94 A94 A94 A94
Standard with 120V AC/DC LEDs 1492-IFM20D120
Narrow standard with 120V AC LEDs 1492-IFM20D120N
24V AC/DC LEDs and extra terminals for outputs 1492-IFM20D24-2 A94 A94 A94 A94 A94 A94
24V AC/DC LEDs and extra terminals for inputs 1492-IFM20D24A-2 A94 A94 A94
120V AC LEDs and extra terminals for outputs 1492-IFM20D120-2
120V AC LEDs and extra terminals for inputs 1492-IFM20D120A-2
3-wire sensor with 24V AC/DC LEDs 1492-IFM20D24-3
8 Individually isolated with 24/48V AC/DC LEDs and 4 terminals/output 1492-IFM20DS24-4 A94
8 Individually isolated with 120V AC LEDs and 4 terminals/output 1492-IFM20DS120-4 A94
240V AC LEDs and extra terminals for outputs 1492-IFM20D240-2
240V AC LEDs and extra terminals for inputs 1492-IFM20D240A-2
 
Description of 20-Pin IFM and Flex Distributed I/O Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ¬  Flex Digital I/0 Module — Uses D-Shell Base 179-TB37DS
IB16 IB8 IB10XOB6 IV16 OB16 OB16P OB8 OB8EP OV16 OV16P OW8
Fusible
120V AC/DC with extra terminals for outputs 1492-IFM20F-F-2 1492-RIFM20F-F-2 1492-RTB20µ A94 A94 A94 A94 A94 A94
Extra terminals with 24V AC/DC blown fuse LED indicators 1492-IFM20F-F24-2 1492-RIFM20F-F24-2 1492-RTB20µ A94 A94 A94 A94 A94 A94
Extra terminals with 120V AC/DC blown fuse LED indicators 1492-IFM20F-F120-2 1492-RIFM20F-F120-2 1492-RTB20µ
Extra terminals with 240V AC/DC blown fuse LED indicators 1492-IFM20F-F240-2
Extra terminals with 24V AC/DC blown fuse LED indicators for inputs 1492-IFM20F-F24A-2 1492-RIFM20F-F24A-2 1492-RTB20µ A94 A94
Extra terminals with 120V AC/DC blown fuse LED indicators for inputs 1492-IFM20F-F120A-2 1492-RIFM20F-F120A-2 1492-RTB20µ
8 Individually isolated 120V AC/DC with extra terminals for outputs 1492-IFM20F-FS-2 A94
8 Individually isolated with extra terminals and 24V AC/DC blown fuse LED indicators 1492-IFM20F-FS24-2 A94
Two 4-point isolated groups with four terminals/input and 24V AC/DC blown fuse LED indicators 1492-IFM20F-FS24A-4
8 Individually isolated with extra terminals/output and 120V AC/DC blown fuse LED indicators 1492-IFM20F-FS120-2 A94
8 Individually isolated with 4 terminals/output and 120V AC/DC blown fuse LED indicators 1492-IFM20F-FS120-4
Two 4-point isolated groups with four terminals/input and 120V AC/DC blown fuse indicators 1492-IFM20F-FS120A-4
8 Individually isolated with 4 terminals/output and 240V AC/DC blown fuse LED indicators 1492-IFM20F-FS240-4
 
Description of 20-Pin IFM and Flex Distributed I/O Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ¬  Flex Digital I/0 Module — Uses D-Shell Base 179-TB37DS
IB16 IB8 IB10XOB6 IV16 OB16 OB16P OB8 OB8EP OV16 OV16P OW8
Relay Master (LED Indicating) § Ø 
20-pin master with eight 24V DC relays 1492-XIM2024-8R A94 A94 A94
20-pin master with eight 120V AC relays 1492-XIM20120-8R
20-pin master with sixteen 120V AC relays 1492-XIM20120-16R
20-pin master with sixteen 120V AC relays with fusing 1492-XIM20120-16RF
20-pin master with sixteen 24V DC relays 1492-XIM2024-16R A94 A94
20-pin master with sixteen 24V DC relays with fusing 1492-XIM2024-16RF A94 A94
 
Description of 20-Pin IFM and Flex Distributed I/O Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ¬  Flex Digital I/0 Module — Uses D-Shell Base 179-TB37DS
IB16 IB8 IB10XOB6 IV16 OB16 OB16P OB8 OB8EP OV16 OV16P OW8
Relay Expander (LED Indicating) § Ø 
Expander with eight 24V DC relays 1492-XIM24-8R 1492-RXIM24-8R 1492-RTB12µ T  T 
Expander with eight 120V AC relays 1492-XIM120-8R
 
Description of 20-Pin IFM and Flex Distributed I/O Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ¬  Flex Digital I/0 Module — Uses D-Shell Base 179-TB37DS
IB16 IB8 IB10XOB6 IV16 OB16 OB16P OB8 OB8EP OV16 OV16P OW8
Fusible Expander
8-channel expander with 24V DC blown fuse indicators 1492-XIMF-F24-2 T  T 
8-channel expander with 120V AC blown fuse indicators 1492-XIMF-F120-2
                             
Feed-through Expander
Description of 20-Pin IFM and Flex Distributed I/O Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ¬  Flex Digital I/0 Module — Uses D-Shell Base 179-TB37DS
IB16 IB8 IB10XOB6 IV16 OB16 OB16P OB8 OB8EP OV16 OV16P OW8
Expander with eight feed-through channels 132V AC/DC max 1492-XIMF-2 T  T 
  
¬ Order plugs separately (two plugs per catalog number). Plugs are available in screw style and push in style terminal types. To order, replace the µ in the catalog number with the code for the desired terminal style. The code for screw style is N and the code for push in style is P.
T Can have up to one relay expansion module depending upon relay master used (total 16 points or less). Extender cable is provided.
‡ Cables are available in standard lengths of 0.5 m 1.0 m, 2.5 m, and 5.0 m. To order, insert the code for the desired cable length into the catalog number 005 = 0.5 m (010 = 1.0 m, 025 = 2.5 m, and 050 = 5.0 m), and insert the letter in the box. Example: Catalog Number 1492 CAB010A94 is for a 1.0 m cable, and the suffix A94
§ This IFM is not recommended for use with PLC I/O modules that have an off-state leakage current exceeding 0.5 mA. Use a 1492-IFM20D120N or 1492-IFM20D120A-2 for inputs. Use 1492-IFM20D120-2 for outputs.
§ The voltage rating is relay control/coil voltage. Refer to Specifications.
Ø The LED indicates the PLC output status.

Bulletin 1794 IFM and Cable Selection (continued)

Pre-Wired Cable and IFMs for Bulletin 1794 Digital 16-Point Isolated and 32-Point I/O Modules ‡ 

Description of 40-Pin IFM Cat. No. for Wiring System Module with Fixed Terminal Block Cat. No. for Wiring System Module with Removable Terminal Block Socket Assembly (order plugs separately) Cat. No. for Compatible Screw Style (N) and Push-in Style (P) RTB Plugs ª  Flex Digital I/O Module — Uses D-Shell Base 1794-TB62DS
IB16D IB16XOB16P IB32 OB32P
Feed-through
Standard 132V AC/DC Max. 1492-IFM40F 1492-RIFM40F 1492-RTB20µ B94 B94 B94 B94
Extra terminals (2 per I/O) 132V AC/DC Max. 1492-IFM40F-2 1492-RIFM40F-2 1492-RTB20µ B94 B94 B94 B94
3-wire sensor type input devices 60V AC/DC Max. 1492-IFM40F-3
 
LED Indicating
Standard with 24V AC/DC LEDs 1492-IFM40D24 1492-RIFM40D24 1492-RTB20µ B94 B94
24V AC/DC LEDs and extra terminals for outputs 1492-IFM40D24-2 B94
24V AC/DC LEDs and extra terminals for inputs 1492-IFM40D24A-2 1492-RIFM40D24A-2 1492-RTB20µ
120V AC LEDs and extra terminals for outputs 1492-IFM40D120-2
120V AC LEDs and extra terminals for inputs 1492-IFM40D120A-2
3-wire sensor with 24V AC/DC LEDs 1492-IFM40D24-3
16 individually isolated with 24/48V AC/DC LEDs and four terminals/output 1492-IFM40DS24-4
16 individually isolated with 24V AC/DC LEDs and four terminals/input 1492-IFM40DS24A-4
16 individually isolated with 120V AC LEDs and four terminals/output 1492-IFM40DS120-4
16 individually isolated with 120V AC LEDs and four terminals/input 1492-IFM40DS120A-4
16 individually isolated with 240V AC LEDs and four terminals/input 1492-IFM40DS240A-4
 
Fusible
120V AC/DC with extra terminals for 32-point outputs 1492-IFM40F-F-2 B94
Extra terminals with 24V AC/DC blown fuse indicators for 32-point outputs 1492-IFM40F-F24-2 1492-RIFM40F-F24-2 1492-RTB20µ B94
Extra terminals with 120V AC/DC blown fuse indicators for outputs 1492-IFM40F-F120-2
16 individually isolated with extra terminals for 120V AC/DC outputs 1492-IFM40F-FS-2
16 individually isolated with extra terminals and 24V AC/DC blown fuse indicators 1492-IFM40F-FS24-2
16 individually isolated with 24V AC/DC blown fuse indicators and four terminals/output 1492-IFM40F-FS24-4
16 individually isolated 240V AC/DC with four terminals/output 1492-IFM40F-FS-4
16 individually isolated with extra terminals and 120V AC/DC blown fuse LED indicators 1492-IFM40F-FS120-2 1492-RIFM40F-FS120-2 1492-RTB20µ
16 individually isolated with 120V AC/DC blown fuse indicators and four terminals/output 1492-IFM40F-FS120-4 1492-RIFM40F-FS120-4 1492-RTB17µ
16 individually isolated with 240V AC/DC blown fuse indicators and four terminals/output 1492-IFM40F-FS240-4
16 individually isolated with 24V AC/DC blown fuse indicators and four terminals/input 1492-IFM40F-FS24A-4
16 individually isolated with 120V AC/DC with four terminals/input 1492-IFM40F-FSA-4
16 individually isolated with 120V AC/DC blown fuse indicators and four terminals/input 1492-IFM40F-FS120A-4 1492-RIFM40F-FS120A-4 1492-RTB17µ
16 individually isolated with 240V AC/DC blown fuse indicators and four terminals/input 1492-IFM40F-FS240A-4
 
Relay Master (LED Indicating) Ø z 
40-pin master with eight 24V DC relays 1492-XIM4024-8R B94
40-pin master with sixteen 24V DC relays 1492-XIM4024-16R 1492-RXIM4024-16R 1492-RTB14µ B94
40-pin master with sixteen 24V DC relays with fusing 1492-XIM4024-16RF B94
 
Relay Expander (LED Indicating) Ø z 
Expander with eight 24V DC relays 1492-XIM24-8R 1492-RXIM24-8R 1492-RTB12µ ¬ 
Expander with eight 120V AC relays 1492-XIM120-8R
 
Fusible Expander
8-channel expander with 24V DC blown fuse indicators 1492-XIMF-F24-2 ¬ 
8-channel expander with 120V AC blown fuse indicators 1492-XIMF-F120-2
Expander with sixteen 24V DC relays with fusing 1492-XIM24-16RF T 
 
Feed-through Expander
Expander with eight feed-through channels 132V AC/DC max 1492-XIMF-2 ¬ 
  
¬ Two or three expanders are connected to a master to provide a total of 32 outputs max (depends on PLX module). And extender cable is included with each expander to connect it to the master.
T One 1492-XIM24-16RF is to be used with one 1492-XIM4024-16R and 1492-XIM4024-16RF master (32 pt. only).
‡ Cables are available in standard length of 0.5, 1.0, and 5.0 m. To order, insert the code for the desired cable length into the catalog number 005 = 0.5 m (010 = 1.0 m, 025 = 2.5 m, and 050 = 5.0 m), and insert the letter in the box. Example: Catalog Number 1402-CABLE050A is for a 5.0 m cable, and the letter A.
Ø The voltage rating is relay control/coil voltage. Refer to the Specifications tab.
z The LED indicates the PLC output status.
ª Order plugs separately (two plugs per catalog number). Plugs are available in screw style and push in style terminal types. To order, replace the µ in the catalog number with the code for the desired terminal style. The code for screw style is N and the code for push in style is P.

Bulletin 1794 Cables

These pre-wired cables have a 37- or 62-pin D-shell connector on one end to mate with the Flex base (Cat. No. 1492-TB37DS or -TB62DS) and a 20- or 40–pin AMP connector at the other end to mate with the IFM/XIM module. You must first select the IFM/XIM from one of the preceding selection tables.

Pre-Wired Cables for Bulletin 1794 Flex Digital I/O Modules using Flex Base 1794-TB37DS or - TB62DS

Cable Cat. No. Standard Cable Lengths Build-to-Order Available No. of Conductors Uses Flex Base Mating 1794 I/O Modules Cat. No.
1492-CAB¬ A94 0.5, 1.0, 2.5, 5.0 m Yes 20 1794-TB37DS 1794-IB16, -IB8, -IV16, -OB16, -OB16P, -OB8, -OB8EP, -OV16, OV16P, -OW8, -IB10XOB8
1492-CAB¬ B94 0.5, 1.0, 2.5, 5.0 m Yes 40 1794-TB62DS 1794-IB16D, -IB32, OB32P, -IB16XOB16P
  
¬ Cables are available in standard lengths of 0.5 m, 1.0 m, 2.5 m, and 5.0 m. To order, insert the code for the desired cable length into the cat. no. (005 = 0.5 m, 010 = 1.0 m, 025 = 2.5 m, and 050 = 5.0 m). Example: Cat. No. 1492-CAB050A94 is for a 0.5 m cable that could be used to connect a Cat. No. 1492-IFM40F IFM to a Cat. No. 1794-IB16 I/O module.

The I/O module-ready cables have a 37- or 62-pin D-shell connector on one end to mate with the Cat. No. 1794-TB37DS or 1794-TB62DS Flex I/O base and 20 or 40 individually colored #22 AWG conductors (flying leads) at the other end. These cables provide the convenience of pre-wired connectors at the I/O module end, while allowing the flexibility to field-wire to standard

terminal blocks of your choice.


I/O Module-Ready Cables for 1794 Digital I/O Modules

Description Standard Cable Lengths Build-to-Order Available No. of Conductors Mating I/O Module Cat. No.
1492-CAB¬ G94 1.0, 2.5, 5.0 m Yes 20 1794-IB16, -IB8, -IV16, -OB16, -OB16P, -OB8, -OB8EP, -OV16, OV16P, -OW8, -IB10XOB8
1492-CAB¬ H94 1.0, 2.5, 5.0 m Yes 40 1794-IB16D, -IB32, OB32P, -IB16XOB16P
  
¬ Cables are available in standard lengths of 1.0, 2.5, and 5.0 m. To order, insert the code for the desired cable length into the cat. no. (010 = 1.0 m, 025 = 2.5 m, and 050 = 5.0 m). Example: Cat. No. 1492-CAB050G94 is for a 5.0 m cable.