Impulse SCMD-MIDC User Manual

SCMD-MIAC/MIDC

Miniature Digital Input Modules

Description

SCMD digital input modules provide highly reliable and safe interfaces to

harsh industrial measurement and control applications. With SCMD modules

installed near individual field signals, a reliable isolation barrier is provided

between the field wiring computer system. Other benefits include reduction of

field wiring costs and establishment of a cost effective and manageable method

for system expansion and repair.

The SCMD-MIAC digital input modules are used for sensing ON/OFF AC or

DC voltage levels in the ranges of 18-36, 90-140 and 180-280VAC or VDC

respectively. They are protected from damage due to high-voltage transients

on the input signal.

The SCMD-MIDC digital input modules provide DC voltage sensing at the lower

ranges of 3.3 to 32VDC and 10 to 60VDC.

High voltage, low voltage, fast switching, and low noise options are available,

designated by suffixes A, E, F, and N respectively.

Five backpanels are available for mounting SCMD-M digital input modules. See

Accessories section.

Isolated Digital I/O Products

▲

Features

 Plug into Backpanels for Miniature or

Full-Sized Modules

 AC Inputs for 24V, 120V, 240V

 DC Inputs for 3.3 to 32V, 10 to 60V

 UL Listed, CSA Certified, CE Compliant

 4kV Optical Isolation

 Open-Collector Output

 Industry-Standard Pinout and Footprint

 Operating Temperature -30 to +80

Ordering Information

SCMD

°C

Digital Input Modules - Model No. Suffixes Identifying Optional Features

Suffix Feature

A High voltage versions (280VAC for AC modules).

E Low voltage 10VAC input for AC modules.

F Fast-switching version of DC modules.

N Enhanced noise immunity version of DC modules.

Model Input Range Supply Voltage

SCMD-MIAC5 90 to 140VAC/DC 5V

SCMD-MIAC5A 180 to 280VAC/DC 5V

SCMD-MIAC5E 10 to 60VAC/DC 5V

SCMD-MIAC24 90 to 140VAC/DC 24V

SCMD-MIAC24A 180 to 280VAC/DC 24V

SCMD-MIDC5 3.3 to 32VDC 5V

SCMD-MIDC5F 3.3 to 32VDC 5V

SCMD-MIDC5N 10 to 60VDC 5V

SCMD-MIDC24 3.3 to 32VDC 24V

120

Figure 2: SCMD-MIAC/MIDC Circuit DiagramsFigure 1: SCMD-MIAC/MIDC Physical Dimensions

For information call 800-444-7644