Allen-Bradley 1734SC-IF4U POINT I/O Universal Analog Input Module
$123.00
$320.00
Description
Allen-Bradley 1734SC-IF4U POINT I/O Universal Analog Input Module
Configured for multi-signal analog acquisition in POINT I/O distributed control networks, the Allen-Bradley 1734SC-IF4U (1734SC-IF4U Universal Analog Input Module) provides direct electrical processing of voltage, current, thermocouple, RTD, and resistance inputs. The module supports channel-level configuration, integrated cold junction compensation, selectable filtering, and field-to-backplane isolation for mixed analog measurement applications.
Suffix Breakdown & Model Matrix
The supplied documentation identifies 1734SC-IF4U as a fixed catalog number. No official suffix breakdown or ordering matrix is specified in the provided data.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1734SC-IF4U |
| Brand | Allen-Bradley |
| Manufacturer | Spectrum Controls for Rockwell Automation POINT I/O |
| Product Type | Universal Analog Input Module |
| Product Family | POINT I/O |
| Channels | 4 analog inputs |
| Input Types | Voltage, Current, Thermocouple, RTD, Resistance |
| Voltage Input Ranges | +/-50 mV, +/-100 mV, 0-5 V, 1-5 V, 0-10 V, +/-10 V |
| Current Input Ranges | 0-20 mA, 4-20 mA |
| Thermocouple Types | J, K, T, E |
| RTD Types | PT385/3916, Ni618/672, NiFe518, Cu426 |
| Resolution | 18 bits (filter dependent) |
| Accuracy | +/-20 uV (50 mV range); +/-0.6 deg C Type J TC; +/-0.5 deg C 1 kOhm RTD |
| Filtering | 4 selectable frequencies per channel |
| Update Time | 37 ms to 512 ms |
| Isolation Voltage | 50 VDC field-to-backplane; 10 VDC channel-to-channel |
| Input Impedance | 253 Ohm (current); 5-10 MOhm (voltage/temperature inputs) |
| Overvoltage Protection | +24 VDC continuous |
| Overcurrent Protection | 32 mA continuous |
| Backplane Current | 20 mA @ 24 VDC; 15 mA @ 5 VDC |
| Power Consumption | Not specified |
| Thermal Dissipation | 1.0 W max |
| Operating Temp | -20 deg C to +55 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Humidity | 5-95% non-condensing |
| Weight | 0.17 lb |
I/O Density Scaling and Distributed Analog Acquisition
The 1734SC-IF4U consolidates multiple analog signal types into a single POINT I/O module. Voltage, current, thermocouple, RTD, and resistance measurements can be configured independently at the channel level, reducing the number of dedicated analog modules required within a distributed I/O assembly. This approach increases I/O density while maintaining compatibility with POINTBus backplane communication architectures.
Frequently Asked Questions
Q: Can different input signal types be used on the same module simultaneously?
A: Yes. The module supports independent channel configuration, allowing different supported measurement types to be assigned according to application requirements.
Q: Does the module provide thermocouple compensation functions?
A: Yes. Cold junction compensation is integrated for thermocouple measurement applications.
Q: Is channel-to-channel isolation provided?
A: The module provides 50 VDC field-to-backplane isolation and 10 VDC channel-to-channel isolation as specified in the technical data.
Field Installation Guidelines
-
Install the module inside a suitable industrial enclosure that provides environmental protection and electrical safety.
-
Separate low-level thermocouple and RTD wiring from motor, relay, and high-current conductors to minimize electrical noise.
-
Ground cable shields according to plant grounding practices and maintain consistent shield termination methods throughout the installation.
-
Verify input type configuration before energizing field circuits to prevent measurement errors.
-
Route temperature sensor wiring away from variable frequency drive output cables and other high-frequency noise sources.
-
Maintain terminal connections according to manufacturer torque recommendations for the selected terminal base.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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