Technical data

Publication 1794-2.1 - January 2000
FLEX I/O and FLEX Integra Product Data
Counter Module’s Table of Contents 133
Counter Module’s Table of Contents
Use the following table to determine which counter module will
meet your application needs.
The following table illustrates the recommended terminal base
unit(s) for each counter module.
Ask these three questions when deciding on which counter module
would best fit your application:
1. What is the application?
2. What is the desired counter mode?
3. What field devices, signal levels, and signal type are being
connected to the counter module?
Counter Module Purpose See Page
1794-IJ2 24V dc 2 input frequency module 135
1794-VHSC 24V dc 2 channel very high speed
counter module (use with
1794-ACN15 or -ACNR15 only)
139
1794-ID2 24V dc 2 input pulse counter
module
142
1794-IP4 12/24V dc 4 input pulse counter
module
145
FLEX I/O Product Catalog Number Recommended
Terminal Base
Compatible
Terminal Base(s)
Counter
Frequency Input Module 1794-IJ2
Very High Speed Counter
Module (use with
1794-ACN15 or -ACNR15
only)
1794-VHSC
2- Channel Pulse Counter
Input Module
1794-ID2
4-Channel Pulse Counter
Input Module
1794-IP4
Catalog Number Network Compatibility
1794-IJ2 ControlNet, DeviceNet, RIO, and referenced partners
1794-VHSC 1794-ACN15 or -ACNR15
1794-ID2 ControlNet, DeviceNet, RIO, and referenced partners
1794-IP4 ControlNet, DeviceNet, RIO, and referenced partners
TB3G TB3GS
TB3G TB3GS
For use with 1794-ACN(R)15 only.
TB3 TB3S TBN TBNF
Auxiliary terminal strips are
required when using the TBN
or TBNF for the ID2
TB3 TB3S TBN TBNF
Auxiliary terminal strips are
required when using the TBN
or TBNF for the IP4