External sync ports, Sequencer, High-speed digital inputs/general-purpose outputs – Measurement Computing WaveBook rev.5.3 User Manual
Page 135: Period counter, General specifications

WaveBook/512A, /516, /516A, /516E
897895
Specifications 8-5
External Sync Ports
Number of External Sync Ports: 2, on rear panel
Maximum Number of Units to be Synchronized: 4 units, scan-synchronous (post trigger)
Maximum Length of Sync Cables: 15 feet (4.57 m), total for all cables
Sequencer
Operation:
Programmable for channel, gain, and for unipolar/bipolar range in random order
Depth: 128 location
Channel-to-Channel Rate: 1.0 to 1.1us/channel, all channels equal
Maximum
Repeat
Rate: 1MHz
Minimum
Repeat
Rate: 100 seconds per scan
Expansion Channel Sample Rate: Same as on-board channels
High-Speed Digital Inputs/General-Purpose Outputs
Connector: DB25 Female
Configuration:
16 TTL-compatible pins, selectable for input or output
Input Characteristics: TTL-compatible
Output Characteristics: ALS TTL output in series with 33 ohms
Output Updates: Outputs may be changed via program control
Input/Output Protection: Diode clamped to ground and +5V
Period Counter
Operation: Internal counter calculates and reports the external clock’s period;
counter can be read with each scan
Clock Counter Accuracy: <0.02% error
Clock Counter Range: 0.01 Hz to 100 kHz
General Specifications
Warm-up: 30 minutes to rated specifications
Environment:
Operating: 0-50°C, 0-95% RH (non-condensing)
Storage: -20 to 70°C
Power Consumption:
/516E: 1.8A max @ 15 VDC
/516, /516A & /512A: 1.4A max @ 15VDC
Input Power Range: 10 VDC to 30 VDC
Input Power Fuse F201: 4A MINI ATO; See chapter 9 for fuse replacement instructions.
Vibration: MIL STD 810E, Category 1 and 10
PC Communication:
/516E: 10/100BaseT Ethernet
/516, /516A & /512A: Enhanced Parallel Port (EPP)
Channel Capacity:
/516E: 8 built-in voltage channels, expandable up to 72 channels via WBK options. In
addition, WaveBook/516E can accommodate up to 3 WaveBook/516A, /512A, or
WBK40 options, in any combination. Each added on WaveBook can be expanded
up to 72 channels. The maximum WBK41 capacity is 224 T/C channels, 4 analog
output channels, 272 digital I/O channels, and 6 counter/timer channels.
/516, /516A & /512A: 8 built-in voltage channels, expandable up to 72 channels via WBK
options
Dimensions:
/516E: 285 mm wide x 220 mm deep x 70 mm high (11 x 8.5 x 2.70 inches)
/516, /516A & /512A: 285 mm wide x 220 deep x 45 mm high (11 x 8.5 x 1.75 inches)
Weight:
/516E: 1.9 kg (4.2 lbs)
/516, /516A & /512A: 1.5 kg (3.3 lbs)