Sensoray 421 - Manual (Page 18)

Page 16 Sensoray Model 421 Instruction Manual
Appendix A: Specifications
Bus Interface Type ISA, I/O slave, 16-bit address, 8-bit data
Address requirements 32-byte block starting on any 32-byte boundary
Watchdog Timer Timeout 630 milliseconds, min. 770 milliseconds, max.
Encoder Interface Type Quadrature encoded, single-ended
Input characteristics RS422 differential, single-ended TTL/CMOS compatible
Pulse rate 0 Hz, min. 375 KHz, max.
5V current, per channel 100 mA, max.
Relay Interface Input characteristics TTL/CMOS compatible, 10Kohm pullup to +5V
Output sink current 60 mA, min.
A/D Interface A/D type 12-bits, successive approximation
Differential Nonlinearity +/- 1 LSB, max.
Integral Nonlinearity +/- 1 LSB, max.
Settling time (G = 1) 9 microseconds, max.
Conversion time 10 microseconds, max.
CMRR (G = 1) 73 dB min. 90 dB typical
Analog input -25 Volts, absolute min. +25 Volts, absolute max.
Offset error +/- 1 LSB, max.
Input impedance 10 megohms, min.
D/A Interface D/A type 12 bits, voltage output, output range fixed at 0 to +10V
Gain error +/- 3 LSB, max.
Output offset +/- 7.5 millivolts, max.
Output Z (chan 1, 2 & 3) 85 ohms, max.
Power Operating range +4.75 Volts, min. +5.25 Volts, max.
Quiescent current 200 mA, typical