Pepper-computer Modular Computers RS485 Bedienungsanleitung Seite 121

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SMART I/O Users ManualChapter 4 Digital Modules
©1996 PEP Modular Computers GmbHMarch 12, 1996 Page 4 - 33
4
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 System : 2.5 kV Optoisolated
Between Channels : 1.5 kV
Between Contacts : 1.0 kV
Surge Voltage : 1.5 kV
Output 6 Normally Open Relay Contacts
Max. Switching Voltage : 250V AC / 220V DC
Max. Switching Current : 2A
Max. Switching Load (Resistive) : 60W / 125 VA
Switch ON Current Rate : 8A/3ms
Sustained Current : 3A
Switch OFF Current Rate : 2A/2ms
Max. Switching Frequency : 100 Hz
Contact Resistance
: 50m
Settling Time : 4ms
Power ON/OFF Protection : Glitch-free Power ON
Expected Life : 2 Million Cycles
Input Ext. VCC : 24V DC ± 20% @ 100mA
Front Panel 6 Yellow LEDs : Relay CLOSED
1 Green LED : Ext. VCC Ready
1 Yellow LED : User
Power Cons. 23mW (min.), 160mW (max.)
Temperature Range Standard (0°C to +70°C)
Module Weight 61g
ID Byte $20, read by the SPI Interface
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