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1794-ID2

Revisions: Ser A Ser B

Description:   The Allen-Bradley 1794-ID2 Channel Incremental Encoder Module has 4 Inputs per Counter, a 6V DC On-state Voltage min., and a 26.4V DC On-state Voltage max.. It also operates with a 15mA @ 24V DC On-state Current max. and a 3V DC Off-state Voltage max..

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Warranty: 1 year DO Supply Warranty Included
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Repairs: We offer repair service for the 1794-ID2.
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About 1794-ID2

The 1794-ID2 by Allen Bradley is an Input/output module deployed for applications that require high-speed pulse counting. It includes 2 basic inputs which also act as pulse transmitter interfaces with 4 inputs per counter (also known as optocoupled inputs). There are a variety of processes that are aided by this module, including high-speed calculations, positioning, and quantity counting. Additionally, it contains independent –ve and +ve inputs which are basically complementary and non-complementary signals.

Event triggering in the 1794-ID2 generally takes place with 1 or 2 pulse trains, each of them being individually programmable; it has an operating voltage ranging between 12 to 24 Volts DC and supports an open style enclosure with dimensions of 46 x 94 x 53 millimeters. There are 13 indicators for process identification (1 green/red and 12 yellow); this module’s interfacing capabilities work with an I/O adapter to support communication with external devices. Basic errors with this module include transmission errors, removal from the terminal base, and incorrect module insertion.

The 1794-ID2 comes with easy screw mounting and supports DIN rail mounting as well. Installation and maintenance are quite easy with proper instructions to re-assemble parts after every maintenance. Remove field-side power before inserting this module as the electric arc generated can cause damage to property or personnel. Bidirectional block transfers help communicate with the PLC processor using both read and write instructions with the DeviceNet Manager software.

Technical specifications:

Part Number:1794-ID2
Product Type:Channel Incremental Encoder Module
Inputs per Counter:4
On-state Voltage min.:6V DC
On-state Voltage max.:26.4V DC
On-state Current min.:3mA @ 6V DC
On-state Current max.:15mA @ 24V DC
Off-state Voltage max.:3V DC
Counting Frequency :100kHz max.
Isolation Voltage:500V AC
Flexbus Current:5mA @ 5V DC
Power Dissipation:17.1 BTU/hr. @ 26.4V DC max.

Please refer to the manual for more information about the 1794-ID2 such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.

Revision Part # Also Known as Availability
1794-ID2 Ser A
1794-ID2/A, Series A, Rev A Request Quote
1794-ID2 Ser B
1794-ID2/B, Series B, Rev B Request Quote

Common misspellings: 1794ID2
l794-ID2
179A-ID2
1794-ID2X