Omega OMB-DAQBOARD-500 manual Physical & Environmental, Counter - 1 Counter designated as CNTR1

	Note: Specifications subject to change without notice.
Counter – 1 Counter designated as CNTR1
Channels	1
Pin Connections:
SCSI-68	CNTR1 – Pin 1 or Pin 39; Shared with DACLKIN
TB-100 (Option)	Connector – CNT1 or XDPCR; Shared with DACLKIN
Input Delay:	100ns max
Max. Count	65536
Max. Input Frequency:	900 Khz max
Input Levels:	5 V CMOS/TTL with 4.7 K ohm pull-up resistor
High Level Input Voltage:	2 V min. (High level input voltage)
Low Level Input Voltage:	0.8 V max. (Low level input voltage)

Timers (Frequency Pulse Generators) – 2 Timers designated as TMR0 and TMR1

Channels	2
Pin Connections:
TMR0
SCSI-68	Pin 3; Shared with ADTRGOUT
TB-100 (Option)	Connector TMR0 (Shared with ADTRGOUT)
TMR1
SCSI-68	Pin 37; Shared with ADCLKOUT
TB-100 (Option)	Connector TMR1 (Shared with ADCLKOUT)
Output Rates:	7.6 Hz to 500 Khz 50 % Duty Cycle Square Wave
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	Low: 24 mA (sinking)
Current:	High: 24 mA (sourcing)

Physical & Environmental

Size:	165 x 15x 108 mm (6.5 x 0.6 x 4.2 in.)
Connector:	68 pin standard "SCSI Type III" female connector
Operating
Temperature:	32°F to 140°F (0 °C to 60 °C)
Vibration:	MIL STD 810E Category 1 and 10

6-4 Specifications 947294 DaqBoard/500 Series