The Allen-Bradley 1734-4IOL
The Allen-Bradley 1734-8CFG delivers true versatility through its self-configuring I/O points. Each of the eight channels automatically adapts to function as either an input or an output based on the connected device. This eliminates the need for fixed I/O planning and simplifies system design.
Furthermore, this 1734-8CFG module belongs to the Bulletin 1734 POINT I/O Digital Module series. Its compact form factor fits neatly onto DIN rails alongside other POINT I/O components. The module supports both input and output voltages from 10 to 28.8V DC, making it compatible with a wide range of field devices.
The Allen-Bradley 1734-8CFG operates with clear electrical parameters. For inputs, the on-state current ranges from 2 to 5 mA, with a minimum input voltage of 11V DC. Outputs deliver a voltage between 10 and 28.8V DC, ensuring reliable activation of connected actuators and indicators.
Power consumption is efficient for this module. It draws 100 mA at 5V DC from the POINTBus backplane. At maximum output load, power dissipation reaches 2.6 W, while thermal dissipation measures 8.9 BTU/hour. These ratings keep the 1734-8CFG cool even in densely packed cabinets.
Additionally, each I/O point features independently adjustable input debounce filters. You can set filter times in millisecond intervals, with a default value of 1000 ms. This flexibility helps eliminate false triggers from noisy industrial environments. The module also includes reverse polarity protection to safeguard against wiring errors.
The 1734-8CFG requires specific mounting bases for proper operation. Compatible bases include 1734-TOPS, 1734-TOP, 1734-TBS, and 1734-TB wiring base units. Before installation, ensure the mounting base is correctly keyed to position 1. This keying mechanism prevents incorrect module insertion.
You can install this module either before or after mounting the terminal base assembly. This flexibility simplifies cabinet assembly and maintenance procedures. Furthermore, the 1734-8CFG supports POINTBus features like auto-baud detection, auto-address assignment, and power removal/insertion under power (hot-swapping).
The 1734-8CFG operates reliably across a wide temperature range. Its operating limits span from -20°C to 55°C, suitable for most industrial environments. The open-style enclosure allows natural convection cooling but requires installation in a clean, dry cabinet.
All connected I/O circuits must derive power from a PELV or SELV-compliant source. This safety requirement ensures protection against electric shock. The module mounts onto standard 35 mm DIN rails and weighs approximately 0.25 kg. Its compact dimensions save valuable panel space.
Installing the 1734-8CFG follows a straightforward process. Begin by mounting a compatible terminal base (1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS) onto the DIN rail. Next, verify the key switch position is set to value 1. Then snap the module firmly into the base until it locks in place.
After mechanical installation, wire each I/O point according to your application needs. Each channel accepts either an input device (like a push button or sensor) or an output device (like a small relay or indicator light). The module automatically detects the connected device type and configures itself accordingly. Finally, use RSLogix 5000 or Studio 5000 to configure filter times and monitor status.
Your shipment for the Allen-Bradley 1734-8CFG includes the following items:
One POINT I/O DC Configurable Module (1734-8CFG)
One removable wiring label for terminal identification
One quick-start installation sheet
Note: Terminal base (1734-TB/TBS/TOP/TOPS) and cables are sold separately.
We ship all orders via FedEx, UPS, or DHL with tracking numbers provided. Standard delivery takes 3–7 business days depending on your region. Expedited shipping options are available upon request.
1. How does the 1734-8CFG know whether to act as an input or output?
Each channel automatically senses the connected device type. When you wire a sensor, it functions as an input. When you wire an actuator, it becomes an output.
2. Can I mix inputs and outputs on the same module?
Yes. Each of the eight points on the Allen-Bradley 1734-8CFG operates independently. You can have some channels as inputs and others as outputs simultaneously.
3. What mounting bases are compatible with this module?
The 1734-8CFG works with 1734-TB, 1734-TBS, 1734-TOP, and 1734-TOPS bases. Ensure the key switch is set to position 1 before installation.
4. Does this module support hot-swapping?
Yes. The POINT I/O system allows removal and insertion under power. You can replace the 1734-8CFG without shutting down the entire system.
5. What is the default input filter time?
The default filter time is 1000 milliseconds. You can adjust each channel independently using RSLogix 5000 or Studio 5000 software.
| Brand Name | |
| Model No. | 1734-8CFG |
| Product Type | DC Configurable I/O Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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