Allen-Bradley 1794-TB32 FLEX I/O Terminal Base Unit, 32-Point Cage Clamp
Allen-Bradley 1794-TB32 is a FLEX I/O terminal base unit with cage clamp terminations for 32-point modules, providing 32 I/O connections plus 8 common and 8 +V connections.
Overview
The 1794-TB32 carries the field wiring for 32 I/O points — 8 common and 8 +V terminals included — with a 10 A current rating for applications up to 31.2 V DC and a 24 V DC voltage rating. The bus side outputs up to 640 mA to the FlexBus, accepts an input voltage range of 19.2 to 31.2 V DC, and isolates at 50 V continuous. Cage clamp terminations accept 0.2 to 2.5 mm² wire and grip conductors vibration-proof without screw torque checks.
Key Features
- 32 I/O connections, 8 common and 8 +V terminals
- Cage clamp (spring-pressure) terminations — vibration proof, no retorquing
- Rated 10 A; applications up to 31.2 V DC; voltage rating 24 V DC
- Input voltage range 19.2…31.2 V DC; Flexbus output current 640 mA
- Isolation 50 V continuous; communication rate 57.6…230 kbps
- Operating -20…70 °C; DIN rail mount; hot-swappable with any 32-point FLEX I/O module
Technical Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Product Line | FLEX I/O (1794) |
| Series | FLEX I/O 1794 |
| Part Number / Catalog No. | 1794-TB32 |
| UPC | 612598281220 |
| Product Type | Terminal Base Unit |
| Termination Type | Cage Clamp |
| Connections | 32 I/O, 8 common, 8 +V |
| Current Rating | 10 A |
| Voltage Rating | 24 V DC (applications up to 31.2 V DC) |
| Input Voltage Range | 19.2 to 31.2 V DC |
| Flexbus Output Current | 640 mA |
| Isolation Voltage | 50 V continuous |
| Communication Rate | 57.6 to 230 kbps |
| Wire Size | 0.2 to 2.5 mm² |
| Dimensions | 12 x 8 x 6 cm (4.7 x 3.1 x 2.4 in) |
| Weight | 0.75 lbs (0.34 kg) |
| Operating Temperature | -20 to 70 °C (-4 to 158 °F) |
Applications
The 1794-TB32 is the standard base for high-density 32-point FLEX I/O modules such as the 1794-IB32, OB32P and IO32 combinations. Cage clamp wiring makes it especially attractive in vibrating installations and in panels built by wire-size-automated crimping lines.
Why Buy from Us
This terminal base is available new in original factory packaging, fully tested and backed by a standard warranty of 1 year. We ship worldwide with careful protective packaging and fast dispatch. Quantity discounts and repair/exchange options are available on request.
Documents
| Resource | Title | Link |
|---|---|---|
| Publication | 1794-IN092 — FLEX I/O Terminal Base Units Installation Instructions (English) | 1794-in092_-en-p.pdf |
| Publication | 1794-PP019 — FLEX I/O Product Profile (English) | 1794-pp019_-en-p.pdf |
