Measurement Computing ADAC/5500 Series - Manual (Page 52)

6.2.5 Counters/Timers– ADAC/5501MF and ADAC/5502MF
Number: 2 Counters / 2 Timers
Counter 0 Shared with ADCLKIN terminal
Counter 1 Shared with DACLKIN terminal
Counter 0/1Input Delay: - 100ns uncertainty
Counter 0/1 Maximum Count 65536
Counter 0/1 Maximum Input Freq. 900Khz
Timer 0 Shared with ADTGOUT terminal
Timer 1 Shared with ADCLKOUT terminal
Timer 0/1 Output Rate 7.6Htz to 500Khz 50 % Duty Cycle Square Wave
Counter Input Levels: 5 V CMOS/TTL with 4.7 K ohm pull-up resistor
High Level Input Voltage: 2 V min.
Low Level Input Voltage: 0.8 V max.
Timer Output Levels: 5 V CMOS/TTL with 4.7 K ohm pull-up resistor
High Level Output Voltage: 2.4 V
Low Level Output Voltage: 0.5 V
Maximum Output Current: Low: 24 mA (sinking)
High: 24 mA (sourcing)
6.2.6 Physical & Environmental – ADAC/5501MF and ADAC/5502MF
Size: 4.2" (10.6cm) H x 5.57" (14.1cm) L
Connector: 68 pin standard "SCSI Type III" female connector brought
to outside of PC.
Temp. Range of Operation: 0 °C – 55 °C
CE Conformity: EN 55022 Class B
EN50082-1
IEC801-2
IEC801-3
IEC801-4
6.3 ADAC/5503HR AND ADAC/5504HR
Function: High speed, 16 channel multiplexed 16 Bit analog to digital
converter with programmable gain, two optional digital to
analog converters, and 16 + 32 digital I/O lines for PC
compatibles.
Bus Interface: The ADAC/5503 and ADAC/5504HR plug into the PCI bus,
and comply with the industry standard "PCI Local Bus
Specification Revision 2.0" and higher.
Board Configuration: The ADAC/5503 and ADAC/5504HR are completely software
configurable: The host PC sets all Bus-related selections, all
data acquisition-related configuration is done by the user via
the ADAC PCI Software Utility.
Calibration: The ADAC/5503 and ADAC/5504HR are digitally calibrated.
ADAC Series 908196
-47- ADAC/5500 Series User’s Manual