ControlLogix System

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I/O Modules

Introduction Environmentals and Certifications Digital I/O Modules Analog I/O Modules Specialty I/O Modules Accessories—I/O Modules
Digital I/O Modules

The 1756 digital I/O modules support these features.


In addition, you can select these types of digital I/O modules.

Digital I/O Type Description
Diagnostic These modules provide diagnostic features to the point level. These modules have a D at the end of the catalog number.
Electronic fusing These modules have internal electronic fusing to prevent too much current from flowing through the module. These modules have an E at the end of the catalog number.
Individually isolated These modules have individually isolated inputs or outputs.
These modules have an I at the end of the catalog number.

Digital AC Input Modules

Specifications [PDF]

Cat. No. Inputs/Outputs Voltage Category Operating Voltage Range Removable Terminal Block
1756-IA8D 8 diagnostic inputs (4 points/group) 120V AC 79…132V AC 1756-TBNH
1756-TBSH
1756-IA16 16 inputs (8 points/group) 120V AC 74…132V AC 1756-TBNH
1756-TBSH
1756-IA16K Conformal coated 16 inputs (8 points/group) 120V AC 74…132V AC 1756-TBNH
1756-TBSH
1756-IA16I 16 individually isolated inputs 120V AC 74…132V AC 1756-TBCH
1756-TBS6H
1756-IA16IK Conformal coated 16 individually isolated inputs 120V AC 74…132V AC 1756-TBCH
1756-TBS6H
1756-IA32 32 diagnostic inputs (4 points/group) 120V AC 74…132V AC 1756-TBCH
1756-TBS6H
1756-IM16I 16 individually isolated inputs 240V AC 159…265V AC 1756-TBCH
1756-TBS6H
1756-IM16IK Conformal coated 16 individually isolated inputs 240V AC 159…265V AC 1756-TBCH
1756-TBS6H
1756-IN16 16 inputs (8 points/group) 24V AC 10…30V AC 1756-TBNH
1756-TBSH
  

Digital AC Output Modules

Specifications [PDF]

Cat. No. Inputs/Outputs Voltage Category Operating Voltage Range Removable Terminal Block
1756-OA8 8 outputs (4 points/group) 120/240V AC 79…265V AC 1756-TBNH
1756-TBSH
1756-OA8D 8 diagnostic, electronically fused outputs (4 points/group) 120V AC 74…132V AC 1756-TBNH
1756-TBSH
1756-OA8E 8 electronically fused outputs (4 points/group) 120V AC 74…132V AC 1756-TBNH
1756-TBSH
1756-OA16 16 mechanically fused/group outputs (8 points/group) 120/240V AC 74…265V AC 1756-TBNH
1756-TBSH
1756-OA16K Conformal coated 16 mechanically fused/group outputs (8 points/group) 120/240V AC 74…265V AC 1756-TBNH
1756-TBSH
1756-OA16I 16 individually isolated outputs 120/240V AC 74…265V AC 1756-TBCH
1756-TBS6H
1756-OA16IK Conformal coated 16 individually isolated outputs 120/240V AC 74…265V AC 1756-TBCH
1756-TBS6H
1756-ON8 8 outputs (4 points/group) 24V AC 10…30V AC, current >50 mA
16…30V AC, current <50 mA
1756-TBNH
1756-TBSH
  

Digital DC Input Modules

Specifications [PDF]

Cat. No. Inputs/Outputs Voltage Category Operating Voltage Range Removable Terminal Block
1756-IB16 16 inputs (8 points/group) 12/24V DC sink 10...31.2V DC 1756-TBNH
1756-TBSH
1756-IB16K Conformal coated 16 inputs (8 points/group) 12/24V DC sink 10...31.2V DC 1756-TBNH
1756-TBSH
1756-IB16D 16 diagnostic inputs (4 points/group) 12/24V DC sink 10...30V DC 1756-TBCH
1756-TBS6H
1756-IB16DK Conformal coated 16 diagnostic inputs (4 points/group) 12/24V DC sink 10...30V DC 1756-TBCH
1756-TBS6H
1756-IB16I 16 individually isolated inputs 12/24V DC sink/source 10...30V DC 1756-TBCH
1756-TBS6H
1756-IB16IF 16 individually isolated fast inputs 24V DC sink/source 10...30V DC 1756-TBCH
1756-TBS6H
1756-IB16IFK Conformal coated 16 individually isolated fast inputs 24V DC sink/source 10...30V DC 1756-TBCH
1756-TBS6H
1756-IB16ISOE 16 individually isolated, sequence of events inputs 24/48V DC sink/source 10...55V DC 1756-TBCH
1756-TBS6H
1756-IB32 32 inputs (16 points/group) 12/24V DC sink 10...31.2V DC 1756-TBCH
1756-TBS6H
1756-IB32K Conformal coated 32 inputs (16 points/group) 12/24V DC sink 10...31.2V DC 1756-TBCH
1756-TBS6H
1756-IC16 16 inputs (8 points/group) 48V DC sink 30...55V DC at 60 °C
30...60V DC at 55 °C
1756-TBNH
1756-TBSH
1756-IG16 16 inputs (8 points/group) 5V DC TTL source (Low=True) 4.5...5.5V DC 1756-TBNH
1756-TBSH
1756-IH16I 16 individually isolated inputs 125V DC sink/source 90...146V DC 1756-TBCH
1756-TBS6H
1756-IH16ISOE 16 individually isolated, sequence of events inputs 125V DC sink/source 90...140V DC 1756-TBCH
1756-TBS6H
1756-IV16 16 inputs (8 points/group) 12/24V DC source 10...30V DC 1756-TBNH
1756-TBSH
1756-IV32 32 inputs (16 points/group) 12/24V DC source 10...30V DC 1756-TBCH
1756-TBS6H
  

Digital DC Output Modules

Specifications [PDF]

Cat. No. Inputs/Outputs Voltage Category Operating Voltage Range Removable Terminal Block
1756-OB8 8 outputs 12/24V DC source 10...30V DC 1756-TBNH
1756-TBSH
1756-OB8EI 8 electronically fused, individually isolated outputs 12/24V DC source 10...30V DC 1756-TBCH
1756-TBS6H
1756-OB16D 16 diagnostic outputs (8 points/group) 24V DC source 19.2...30V DC 1756-TBCH
1756-TBS6H
1756-OB16DK Conformal coated 16 diagnostic outputs (8 points/group) 24V DC source 19.2...30V DC 1756-TBCH
1756-TBS6H
1756-OB16E 16 electronically fused outputs (8 points/group) 12/24V DC source 10...31.2V DC 1756-TBNH
1756-TBSH
1756-OB16EK Conformal coated 16 electronically fused outputs (8 points/group) 12/24V DC source 10...31.2V DC 1756-TBNH
1756-TBSH
1756-OB16I 16 individually isolated outputs 12/24V DC sink/source 10...30V DC 1756-TBCH
1756-TBS6H
1756-OB16IS 16 individually isolated outputs
8 scheduled outputs
12/24V DC sink/source 10...30V DC 1756-TBCH
1756-TBS6H
1756-OB16IEF 16 individually isolated, electronically-fused fast outputs 12/24V DC sink/source 10...30V DC 1756-TBCH
1756-TBS6H
1756-OB16IEFK Conformal coated 16 individually isolated, electronically-fused fast outputs 12/24V DC sink/source 10...30V DC 1756-TBCH
1756-TBS6H
1756-OB32 32 outputs (16 points/group) 12/24V DC source 10...31.2V DC 1756-TBCH
1756-TBS6H
1756-OB32K Conformal coated 32 outputs (16 points/group) 12/24V DC source 10...31.2V DC 1756-TBCH
1756-TBS6H
1756-OC8 8 outputs (4 points/group) 48V DC source 30...60V DC 1756-TBNH
1756-TBSH
1756-OG16 16 outputs (8 points/group) 5V DC TTL Source (Low=True) 4.5...5.5V DC 1756-TBNH
1756-TBSH
1756-OH8I 8 individually isolated outputs 120V DC 90…146V DC 1756-TBCH
1756-TBS6H
1756-OV16E 16 electronically fused outputs (8 points/group) 12/24V DC sink 10...30V DC 1756-TBNH
1756-TBSH
1756-OV32E 32 electronically fused outputs (16 points/group) 12/24V DC sink 10...30V DC 1756-TBCH
1756-TBS6H
  

Contact Output Modules

Specifications [PDF]

Cat. No. Inputs/Outputs Operating Voltage Range Removable Terminal Block
1756-OW16I 16 N.O. individually isolated outputs 5...150V DC
10...265V AC
1756-TBCH
1756-TBS6H
1756-OW16IK Conformal coated 16 N.O. individually isolated outputs 5...150V DC
10...265V AC
1756-TBCH
1756-TBS6H
1756-OX8I 8 N.O.
8 N.C. individually isolated outputs

(2 points/group)
5...150V DC
10...265V AC
1756-TBCH
1756-TBS6H