Allen-Bradley 1797-IE8 Flex Ex Analog Input Module
$123.00
$320.00
Description
Allen-Bradley 1797-IE8 Flex Ex Analog Input Module
The Allen-Bradley 1797-IE8, also cataloged as the 1797-IE8 Flex Ex Analog Input Module, operates as a dedicated hardware component for 0-20 mA and 4-20 mA signal acquisition within the Allen-Bradley Flex I/O 1797 system.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1797-IE8 |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.56 lbs |
| Power Consumption | 7.5 W module field-side power consumption |
| Product Type | FLEX Ex I/O Analog Input Module |
| Product Line | Flex I/O 1797 |
| Number of Inputs | 8 non-isolated analog inputs |
| Input Type | Single-ended non-isolated |
| Input Signal Range | 0-20 mA, 4-20 mA |
| Resolution | 16 bits |
| Accuracy | 0.1% of output signal range at 20 deg C (68 deg F) |
| Step Response | 4 ms |
| Power Dissipation | 5.2 W |
| Thermal Dissipation | 17.75 BTU/hour |
| Data Format | Configurable |
| Functional Data Range | >15 V @ 22 mA, >21.5 V @ 0 mA |
| Terminal Base Compatibility | 1797-TB3 or 1797-TB3S |
| Keyswitch Position | 3 |
| Indicators | 8 red fault indicators, 1 green power indicator |
| Conductor Wire Size | 4 mm2 (12 gauge) stranded, maximum 1.2 mm insulation |
EtherNet/IP Deterministic Networks and I/O Density Scaling
The 1797-IE8 module is designed for integration within the Allen-Bradley Flex Ex I/O 1797 architecture, providing eight analog input channels with configurable data formatting and high-resolution signal conversion. The module supports intrinsic safety input classifications including Ex ia IIB/IIC T4 and AEx ia IIC T4 Class I, II, III Division 1 Group A-G T4.
The module uses I/O density scaling principles to provide multiple analog acquisition channels in a compact hazardous-area interface. The eight channel fault indicators provide channel-level diagnostic visibility, while the terminal base interface maintains field wiring separation between the module electronics and external instrumentation circuits.
The module supports Ex ib IIB/IIC T4 and AEx ib IIC T4 Class I, Division 1 Group A-D T4 module classifications for hazardous environment installations. Proper grounding, segregation, and intrinsic safety wiring practices are required according to the applicable installation standards.
Frequently Asked Questions
Q: Does the 1797-IE8 provide isolated analog input channels?
A: No. The module provides eight single-ended non-isolated analog input channels for 0-20 mA and 4-20 mA signals.
Q: Which terminal bases are compatible with the 1797-IE8 module?
A: The module is designed for use with 1797-TB3 or 1797-TB3S terminal bases.
Q: What diagnostic indicators are available on the module?
A: The module provides eight red fault indicators for channel status and one green power indicator for module power status.
Field Installation Guidelines
Install the 1797-IE8 module on the specified Flex Ex terminal base and verify correct keyswitch position alignment before applying power.
Use shielded instrumentation wiring where required by the installation environment. Connect cable shields according to site grounding practices to reduce electrical noise coupling into analog input circuits.
Maintain separation between intrinsically safe field wiring and non-intrinsically safe circuits. Verify conductor size compatibility with the terminal base requirements and ensure that insulation dimensions comply with terminal connection limitations.
Confirm that field devices connected to the analog inputs match the specified Ex ia or Ex ib intrinsic safety classifications before commissioning the circuit.
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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