Sm-Adc1; Introduction; Specifications - PEP Modular Computers Modular Computers RS485 User Manual

Chapter 5 Analog Modules

5.4 SM-ADC1

5.4.1 Introduction

The SM-ADC1 provides a fast, 12-bit, bipolar ( 10V DC), 6-channel
analog to digital converter. Two configurable red LEDs on the front panel
form the user interface while an on-board EEPROM stores unique calibra-
tion data required by the signal converter.
A version of the SM-ADC1 for current input (0 .. 20mA) is also available.

5.4.2 Specifications

Isolation
Input
EEPROM
Front Panel
Power Cons.
Temperature Range Standard (0 C to +70 C), Ext./Storage (-40 C to +85 C)
Module Weight
ID Byte
† The conversion time applies per channel
October 01, 1996
1.0 kV Optoisolated from the system
6 Differential Inputs
Input Range 10V (0 .. 20mA)
12-bit ADC with 1-bit non-linearity
10-bit Repeating Accuracy
Overvoltage Protection
Input Impedance approx. 440k
10kHz Filter
On-Chip Ref. Voltage
13 s Conversion Time @ 1MHz SCLK †
256 Byte serial EEPROM for Calibration Data
2 Red LEDs (User Configurable)
350mW (min.), 450mW (max.)
70g
$62, read by the SPI Interface
©1996 PEP Modular Computers GmbH
SMART I/O User's Manual
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