Hardware reference guide

Intelligent/Special Purpose
402
35013379 02 October 2007
Electrical
Specifications
The following table shows the electrical specifications for discrete inputs and high
speed input.
The following table shows the electrical specifications for discrete output.
The following table shows the electrical specifications for analog input.
The following table shows the electrical specifications for analog output.
The following table shows the electrical specifications for the resolver interface.
Discrete Inputs and High Speed Input
Input Impedance 3.5 kΩ
Inputs On 15 Vdc min
Inputs Off 5 Vdc max
Isolation 500 Vac to system bus
Discrete Output
Drive Capability 150 mA at user supplied. 19.2 ... 30 Vdc resistive
Protection Current limit, thermal
Isolation 500 Vac to system bus
Analog Input
Resolution 10 bits
Input Impedance 30 kΩ
Offset +/- 50 mV
Accuracy +/- 100 mV, plus offset
Analog Output
Resolution 12 bits
Drive Capability 3 mA
Offset +/- 50 mV
Accuracy +/- 50 mV, plus offset
Resolver Interface
Reference 5 +/- 0.05 kHz, 1.6 ... 5.5 V rms.
50 mA drive capability
Sine / Cosine Input Impedance 3 kΩ
Resolution 16 bits to 300 rpm. 14 bits to
1350 rpm. 12 bits to 6000 rpm
Accuracy 10 arc minutes, typical,
resolver dependent
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com