Distributed I/O Wiring Solution — Allen-Bradley 1734-TOP | POINT I/O Series
Where This Product Is Used
The Allen-Bradley 1734-TOP POINT I/O Terminal Base is deployed wherever engineers need a compact, modular, and field-wiring-ready I/O infrastructure. Typical installation environments include:
- Machine Tool & OEM Automation — Provides a clean, DIN-rail-mounted wiring interface for servo drives, proximity sensors, and actuator feedback loops on CNC and robotic cells.
- Packaging & Material Handling Lines — Supports high-density I/O distribution across conveyor systems, pick-and-place units, and vision-trigger circuits.
- Process & Batch Control Panels — Used in chemical, pharmaceutical, and food & beverage plants where IEC-compliant terminal wiring and module hot-swap capability are mandatory.
- Water/Wastewater & Utilities — Installed in remote pump stations and lift stations where POINT I/O nodes communicate over DeviceNet or EtherNet/IP back to a central ControlLogix or CompactLogix rack.
- Automotive Assembly — Integrated into body-shop and paint-shop control panels requiring fast I/O scan times and deterministic network response.
Technical Specifications
| Parameter | Value |
|---|---|
| Catalog Number | 1734-TOP |
| Series | Allen-Bradley POINT I/O |
| Module Type | Terminal Base Unit (Top-connect wiring) |
| Wiring Style | Top-connect, removable screw-terminal block |
| Compatible Modules | All 1734-series POINT I/O modules |
| Mounting | DIN rail (EN 50022, 35 mm) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -40 °C to +85 °C |
| Relative Humidity | 5–95% non-condensing |
| Enclosure Rating | Open type (IP20) |
| Weight | Approx. 200 g |
| Agency Certifications | UL, CE, cUL |
Why Engineers Specify This Model
- Top-connect wiring keeps field cables routed above the module row, reducing panel depth and simplifying cable management in tight enclosures.
- Removable terminal block allows pre-wiring before module insertion — critical for staged commissioning and fast module replacement without rewiring.
- Universal compatibility across the entire 1734 POINT I/O module family means a single terminal base SKU covers digital, analog, and specialty I/O modules.
- Compact footprint (11.5 mm module pitch) maximises I/O density per DIN-rail segment, reducing panel real estate costs.
- Rockwell Automation ecosystem alignment — native integration with Studio 5000 Logix Designer, FactoryTalk View, and iTRAK/MagneMotion architectures.
Complete System Bill of Materials
A fully operational POINT I/O node typically requires the following components alongside the 1734-TOP terminal base:
- 1734-AENT / 1734-AENTR — EtherNet/IP Adapter (single or dual-port)
- 1734-EP24DC — 24 VDC Bus Expansion Power Supply
- 1734-IV8 / 1734-OV8E — 8-point 24 VDC Digital Input / Output modules
- 1734-IE4C / 1734-OE4C — 4-channel Analog Current Input / Output modules
- 1734-TOP (this item) — Terminal Base, one per I/O module
- 1734-RTB — Right End Cap / Bus Terminator
- DIN Rail EN 50022 35 mm — Standard mounting rail
Compliance & Industry Standards
- UL Listed (UL 508, Industrial Control Equipment)
- CE Marked — EMC Directive 2014/30/EU & Low Voltage Directive 2014/35/EU
- cUL (Canadian UL equivalent)
- RoHS Compliant
- IEC 61131-2 (Programmable Controllers — Equipment Requirements)
- ATEX / IECEx: consult factory for hazardous-location variants
Quality Assurance & Sourcing
Konmask.com sources the 1734-TOP exclusively through verified industrial distribution channels. Every unit shipped undergoes the following quality checks:
- Visual inspection of housing, terminal block, and backplane connector for mechanical damage
- Label and catalog-number verification against Rockwell Automation part records
- Date-code and traceability documentation available on request
- Packaging integrity check — original Rockwell Automation anti-static packaging preferred; repackaged units are clearly disclosed
We do not knowingly stock counterfeit or grey-market components. If you require a Certificate of Conformance (CoC) or country-of-origin documentation, please contact us before ordering.
How to Source This Part
- Add to cart directly from this page for in-stock units.
- Request a quote for volume orders (10+ units) — email support@konmask.com with your required quantity and delivery timeline.
- Provide your BOM — if you need the full POINT I/O node (adapter + power supply + I/O modules + terminal bases), send your bill of materials and we will consolidate sourcing and provide a single-line quotation.
- Lead time — in-stock orders ship within 1–3 business days. Out-of-stock items: contact us for ETA.
- Export orders — we support international shipping with commercial invoice and packing list documentation for customs clearance.
Application-Specific FAQ
Q: Can the 1734-TOP be used with both digital and analog POINT I/O modules?
A: Yes. The 1734-TOP terminal base is compatible with all modules in the 1734 POINT I/O family, including digital input/output, analog input/output, and specialty modules such as thermocouple and RTD inputs.
Q: What is the difference between 1734-TOP and 1734-TBS?
A: The 1734-TOP uses a top-connect wiring style (cables enter from the top), while the 1734-TBS uses a side-connect style. Selection depends on your panel layout and cable routing preference. Top-connect is preferred when DIN rail depth is constrained.
Q: Is the terminal block removable without powering down the system?
A: The removable terminal block supports pre-wiring and replacement, but always follow Rockwell Automation’s safety guidelines and your site’s lockout/tagout (LOTO) procedures before disconnecting field wiring on live systems.
Q: How many 1734-TOP bases can I install on a single POINT I/O adapter?
A: The maximum number of I/O modules (and therefore terminal bases) per adapter node depends on the adapter model and network type. The 1734-AENT supports up to 63 I/O modules per node. Refer to publication 1734-UM011 for node capacity planning.
Q: Do you offer technical support for system integration?
A: Yes. Contact our engineering team at support@konmask.com or call +0086 19859288691 for pre-sales application support and BOM review.
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Contact: support@konmask.com | +0086 19859288691
