Catalogs > Automation Systems Catalog > I/O > In-Cabinet Distributed I/O > 1794 FLEX I/O
1794 FLEX I/O
| Introduction |  |
Product Design | |
Typical Configurations | |
Specifications | |
I/O Communication Adapters | |
Digital I/O Modules | |
| Analog, Thermocouple, and RTD I/O Modules | |
Specialty I/O Modules | |
HART Smart Instrumentation | |
Terminal Bases and Accessories | |
Power Supplies | |
Encompass Partner Products | |
|
Conformal coated versions of standard modules have the letter K in the last position of the catalog number, before the series designation.
Terminal Bases
Each FLEX I/O module requires a terminal base unit that snaps onto the DIN rail to the right of the I/O adapter. The terminal bases provide terminal connection points for I/O wiring and plug together to form the backplane. They are available with screw or spring terminations.
| Cat. No.♠ | Termination Type | Connections | Used in Applications |
| 1794-TB2 | Cage-clamp | 16 I/O; 18 common; 2 +V | Up to 132V AC/156V DC |
| 1794-TB3 1794-TB3K |
Cage-clamp | 16 I/O; 18 common; 18 +V | Up to 132V AC/156V DC |
| 1794-TB3S | Spring-clamp | ||
| 1794-TB3SK | |||
| 1794-TB32 | Cage-clamp | 32 I/O; 8 common; 8 +V | Up to 31.2V DC |
| 1794-TB32S | Spring-clamp | ||
| 1794-TB3G 1794-TB3TK |
Cage-clamp | 36 I/O; 2 common; 2 +V; 10 chassis ground | Up to 31.2V DC |
| 1794-TB3GS | Spring-clamp | ||
| 1794-TB3GSK | |||
| 1794-TB3T 1794-TB3TK |
Cage-clamp | 16 I/O; 10 common; 4 +V; 8 chassis ground; 2 sets of CJC to be used with temperature modules | Up to 132V AC/156V DC |
| 1794-TB3TS | Spring-clamp | ||
| 1794-TB3TSK | |||
| 1794-TBN | Screw-clamp | 16 I/O; 2 common; 2 +V | 264V AC/DC |
| 1794-TBNK | |||
| 1794-TBNF | |||
| 1794-TBKD | Cage-clamp with 16 knife disconnects | 16 I/O; 18 common; 2 +V | Up to 132V AC/156V DC |
| ♠ Catalog numbers ending with (K) = Conformal Coated. | |||
D-shell Terminal Bases
| Cat. No. | Termination Type | Description | Current Capacity, Max. |
| 1794-TB37DS | D-shell | 37 Pin D-Shell Termination (digital and analog modules) | 5 A per pin 10 A per module |
| 1794-TB62DS | D-shell | 62-pin D-Shell Termination (32-point I/O modules) | V2 - 8 A V1 - 8 A 5 A per pin 10 A per module |
1794 FLEX Distribution Boards
|
The distribution boards mount on the terminal base and provide multiple input/output ports. By using the distribution boards, you can use individual wiring for each of the channels.
| Cat. No. | Description | Connectors |
| 1794-TB37EXD4VM8 | FLEX I/O 37-pin Distribution Board for Analog Voltage Modules | 4 M8 |
| 1794-TB37EXD4CM8 | FLEX I/O 37-pin Distribution Board for Analog Current Modules | 4 M8 |
| 1794-TB62EXD4X15 | FLEX I/O 62-pin Distribution Board for 32-bit Modules | 4 D-15 |
1794 FLEX Extender Cables
Use the optional 1794-CE1 (0.3 m, 1ft) or 1794-CE3 (0.9 m, 3ft) extender cable to arrange your system in two rows or split your system into horizontal and vertical orientation. The cable can be used between any module or adapter.
| Cat. No. | Description |
| 1794-CE1 | FLEX I/O 1 ft Extender Cable (0.3 m) |
| 1794-CE3 | FLEX I/O 3 ft Extender Cable (0.9 m) |
|
Accessory Products
| Cat. No. | Description | |
| 1794-NM1 | FLEX I/O Panel Mounting Kit | Use this kit to mount your FLEX I/O system on a panel without a DIN rail. |
| 1794-LBL | FLEX I/O Label Kit | Use this kit to tailor the label on you FLEX I/O terminal base unit. Kit includes a diecut drawing and label sheet with five labels. |
| 1492-EA5 | DIN rail locks | Use DIN rail locks for FLEX I/O modules in a high-vibration installation, particularly when mounting the modules vertically. |
| 1794-N2 | FLEX Dummy Filler Module - Slot Cover | Use this module to fill a vacant slot, if desired. |
| 1794-CJC2 | Cold Junction Compensation Kit (2 Pieces) | Use these as replacements for CJCs supplied with 1794-IT8 and 1794-IRT8. |