Specifications

Publication 1794-SG002D-EN-P - May 2012
Select FLEX I/O Modules 63
1794-ID2 2 Input Pulse Counter Module
The 1794-ID2 module is a 2-channel counter used in applications where pulse
counting is required. Typical input devices include quadrature incremental
encoders with or without reference and/or gate function and pulse transmitters.
You can use one or two pulse trains.
2 Input Pulse Counter Module
Specification 1794-ID2
Input pulse width Each signal condition must be stable for at least 2 ms to be
recognized
Input groups 2 groups of A, B, Z, G inputs
Counting frequency, max 100 kHz
Cable type Input: Belden 8761
Wire category 2
(1)
(1) Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring
and Grounding Guidelines, publication 1770-4.1.
Conductor length, max 304.8 m (1000 ft)
Input signal range 3 mA @ 6V DC
9 mA @ 12V DC
15 mA @ 24V DC
Dimensions (WxHxD), approx 46 x 94 x 53 mm (1.8 x 3.7 x 3.1 in.)
94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) installed