Sm-Rel1; Introduction; Specifications - PEP Modular Computers Modular Computers RS485 User Manual

Chapter 4 Digital Modules

4.3 SM-REL1

4.3.1 Introduction

The SM-REL1 provides power switching up to 250V AC or 220V DC with
surge protection and the ability to switch inductive loads being built-in
features of this versatile module. A freely programmable LED on the front
panel provides the user interface together with 6 relay status LEDs and an
external 24V supply signal LED.

4.3.2 Specifications

Isolation
Output
Input
Front Panel
Power Cons.
Temperature Range Standard (0 C to +70 C)
Module Weight
ID Byte
March 12, 1996
System
Between Channels
Between Contacts
Surge Voltage
6 Normally Open Relay Contacts
Max. Switching Voltage
Max. Switching Current
Max. Switching Load (Resistive)
Switch ON Current Rate
Sustained Current
Switch OFF Current Rate
Max. Switching Frequency
Contact Resistance
Settling Time
Power ON/OFF Protection
Expected Life
Ext. VCC
6 Yellow LEDs
1 Green LED
1 Yellow LED
23mW (min.), 160mW (max.)
61g
$20, read by the SPI Interface
©1996 PEP Modular Computers GmbH
SMART I/O User's Manual
: 2.5 kV Optoisolated
: 1.5 kV
: 1.0 kV
: 1.5 kV
: 250V AC / 220V DC
: 2A
: 60W / 125 VA
: 8A/3ms
: 3A
: 2A/2ms
: 100 Hz
: 50m
: 4ms
: Glitch-free Power ON
: 2 Million Cycles
: 24V DC 20% @ 100mA
: Relay CLOSED
: Ext. VCC Ready
: User
4
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