Introduction cp371 – Kontron CP371 User Manual
Page 26

Introduction
CP371
Page 1 - 10
© 2002 PEP Modular Computers GmbH
ID 23762, Rev. 02
Table 1-4: CP371 Analog Input Specifications
TYPE
DESCRIPTION
Input Types / Ranges
VOLTAGES: Single-ended:
0 to
1
5 V
0 to 10 V
Differential:
±
1
5 V
± 10 V
CURRENTS:
0 to 20 mA
4 to 20 mA
Channels
Standard: 16 channels total
(two clusters of 8 channels each)
Optional:
8 channels total (one cluster of 8 channels)
Channel Connections
Sixteen pairs of dedicated connector pins for plus and minus; sixteen separate
pins for configuring on board shunt resistors for current inputs; twelve ground
pins distributed over the connector
Conversion
Continuous serial sampling of input channels, serial multiplexed output of the
ADC; single measurement buffering for each channel in the ADC ProComm
controller
Throughput Rate
13.9 kHz per channel
Resolution
12 bit
Accuracy
See table 1-5
Input Filter (edge frequency)
15 kHz for single-ended
20 kHz for differential
Input Protection
8 kV ESD
Over Voltage/Current
Protection
Voltage: ± 24 V maximum
Current: 30 mA maximum
Isolation
2 kV process to system
Input Impedance
Voltage: 450 k ohm
Current: 250
k
ohm