Measurement Computing

(508) 946-5100

1

info@mccdaq.com

mccdaq.com

USB-CTR Series

Measurement Computing

(508) 946-5100

1

info@mccdaq.com

mccdaq.com

USB-CTR Series

High-Speed Counter/Timer Devices with Digital I/O

USB-CTR Series devices support multiple counter input modes and synchronous operation

Counter I/O and Gating

USB-CTR Series devices support an aggre-

gate throughput rate of 8 MB/s.

USB-CTR Series devices can be configured

for any resolution up to 64-bits, eliminat-

ing the need to cascade counters. The

following data streaming rates for these

common resolution setting are supported:

• 16-bit: 4 MS/s

• 32-bit: 2 MS/s

• 64-bit: 1 MS/s

Each counter channel has a connection

point for counter input, counter output,

and counter gate.

Counter Inputs

Counter inputs can be read asynchro-

nously under program control, or syn-

chronously with digital inputs as part of

a digital scan group.

In both cases, counters can be configured

to function in one of the following ways:

• counter resets to 0 after each read

• counter counts up or down and

then rolls over at a user-set limit

• counter counts until the user-set

limit has been reached

Counter inputs can concurrently moni-

tor time periods, frequencies, pulses, and

other event-driven incremental occur-

rences directly from pulse-generators,

limit switches, proximity switches, and

magnetic pick-ups.

Counter Gates

Counter gates use input signals to clear

a counter, change counter direction, or

start/stop counting. Gate options are

software-selectable.

Counter Outputs

Counter outputs can be used to control or

transmit signals to external devices, and

also to counter inputs, counter gates, or

digital inputs on a USB-CTR Series device.

USB-CTR Series Selection Chart

Model

Counter I/O

and Gates

Aggregate

Scan Rate

PWM

Timers

Signal

I/O

USB Cable

and SW CD

USB-CTR04

4

8 MB/s

4

Screw Terminal

✔

USB-CTR08

8

8 MB/s

4

Screw Terminal

✔

USB-CTR04-OEM

4

8 MB/s

4

Header

–

USB-CTR08-OEM

8

8 MB/s

4

Header

–

Features

• High-speed pulse counter for

general counting applications

• Up to 8 counter channels

• 48 MHz maximum input

frequency

• Software-selectable resolution

up to 64-bits

• Aggregate scan rate of 8 MB/s

• Supports Totalize, Period, Pulse-

width, and Timing counter

input modes

• Four independent pulse-width

modulation (PWM) timers

• Eight bit-configurable digital

I/O channels

• Synchronous high-speed reads

of digital and counter inputs

Supported Operating Systems

• Windows®

11/10/8/7/Vista®

XP 32/64-bit

• Linux®

Overview

USB-CTR Series devices provide high-speed counter/timer operations synchronized

with digital I/O functions. Both the eight-channel USB-CTR08 and the four-channel

USB-CTR04 feature high frequency and scan rates, debounce filtering, support for

multiple counting modes, and software-selectable resolution up to 64 bits. Both

devices also provide eight individually-configurable digital I/O channels.