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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 1771-DS
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Product Model1771-DS
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Product ParametersLATCHING INPUT MODULE
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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Estimated Shipping Size2.8x15.2x25.8cm
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ManufacturerAllen-Bradley
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Weight0.5 kg
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Inputs8
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Module Location1771 I/O chassis
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Pulse Capture Time0.1, 0.5, 1.0, 2.5, or 5.0 ms
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Input Voltage Range10 to 27V DC for a logic 1 /0 to 4V DC for a logic 0
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Reverse Voltage Protection240V DC max
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Maximum Off-State Current1mA @ 4V DC
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Nominal Input Current20mA @ 27V DC typica
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Opto-Electrical Isolation1500V
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Backplane Current375mA typical
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Operating Temperature0 to 60°C (32 to 140°F)
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Storage Temperature40 to 85°C (40 to 185°C)
Description
1771DS
LATCHING INPUT MODULE
8 INPUT
LOGIC 1 - 10-27 V DC
LOGIC 0 - 0-5 V DC
OPEN STYLE
RACK MOUNTABLE
LATCHING INPUT MODULE
8 INPUT
LOGIC 1 - 10-27 V DC
LOGIC 0 - 0-5 V DC
OPEN STYLE
RACK MOUNTABLE
Revisions
Revision Part #
Also known as
Information
Overview
Manuals
Technical notes
Product Applications
Installation and Wiring
Features:
- PLC 5 Specialized I/O Module
- Specialized I/O Module
- 2558992-1 Board<
The 1771-DS Allen-Bradley Input Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1771-DS Input Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
This module’s input has two ways to operate. Unless paired, this module operates independently, and when this module is paired, it either responds to a certain pulse or it responds to the gate signal. The pulse that this module can capture is the minimum pulse width. With a pulse capture time of 0.1ms, 0.5ms, 1.0ms, 2.5ms, or 5.0ms, you can select the pulses by measuring the duration of some typical pulses. It is recommended that the usable capture time you select is the shortest in terms of using the paired input. And in each pulse, the 1771-DS requires time to recover and this depends on the time that you selected. In this module, there are two ways to reset the latched inputs. If you choose “master,” it resets all inputs and if you choose “individual,” it resets the individual inputs.
- High-Speed Signal Capture:Captures inputs too fast for PLC-5 scan rate
- Production Machinery:Pick-and-place machines and packaging equipment
- Material Handling:Latching inputs for position or product presence
- Industrial Automation Control:10-27V DC input module for diverse industrial setups
- Specialized Machinery:Textile, assembly, and custom machine tool manufacturing
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Keying Positions: To prevent incorrect installation, use keying bands on the backplane connector between pins 2 and 4, and between pins 18 and 20.
Module Location: Can be placed in any I/O module slot of the 1771 chassis, except for the far-left slot, which is reserved for the processor or adapter.
Wiring Arm: Connect field wiring to the field wiring arm (1771-WH or similar, based on the specific system setup) before plugging the module into the slot.
Field Devices: Typical devices include sensors with isolated pulse/gate outputs, proximity switches, or limit switches.
FAQs
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What is the 1771-DS Module?
+The 1771-DS is a Latching Input Module designed by Allen-Bradley for the PLC-5 system. It is an 8-input, rack-mountable module that operates within a 1771 I/O chassis, commonly used to capture fast pulses -
What are the input voltage levels?
+Logic 1 is 10-27V DC, and Logic 0 is 0-5V DC. -
What sensors are compatible?
+It is designed for optical sensors with isolated pulse or gate outputs. The off-state leakage current of the sensors must not exceed 1mA @ 4V DC -
What is the modern replacement?
+When upgrading from PLC-5 to ControlLogix (1756), users often replace it with high-speed modules like the 1756-IB16IF (Fast DC Input) or the 1756-IB16ISOE (Sequence of Events) to maintain fast response times.
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