MA203 - 16 Channel Digital Input Module


The MA203 selectively stores and buffers up to 32k time-value pairs (31 bit time tag) when selected inputs change. Extensive interrupt support allows interrupts on input change of state or level transition, specific bit patterns, data storage or FIFO status conditions. Clock rates up to 5 MHz. For use with C&H's VX405C carrier and AM104 conditioning Modules.




Number of Channels


Sample Rate

up to 5 MHz

Input Debounce

0 to 128 ms (software selectable)

Input Priority

Software Selected

Input Masking

Any bit pattern programmable

Internal Sampling Strobe

To 5 MHz

Part Numbers


Part Number




C&H's M-module Instrument Drivers are designed for maximum platform independence and portability. Most users will only require the VXIpnp driver. Users working in an operating system other than Windows or who are working with a non-supported M-module carrier should download the ANSI-C Driver. For more details on our driver architecture, please download this white paper.

Our Standard instrument driver for Windows supporting the M-module on any C&H supplied M-module Carrier (includes CHWIN and ANSI-C driver). Features: Windows DLL, Interactive Soft Front Panel Application, Online Help, CVI Function Panels, LabView VI's, source code provided.

Platform support module for Windows that provides the platform independent interface between the M-module Driver and the M-module Carrier. Supports the following M-Module carriers: VX405C, AMi3000, AMi3002, AMi2001, EM405D & EM405-8.

Platform independent instrument driver source code written in ANSI-C for ease of portability.

Previous version of the instrument driver written in a non-platform independent architecture. Not all carriers are supported.

Windows application that provides register-level interactive control of any M-module resident on a C&H supplied M-module carrier. (requires CHWIN)

File MA203 Data Sheet79.46 KB
File MA203 Manual339.83 KB