Measurement Computing StrainBook/616 - Manual (Page 130)

12-2 Specifications 939294 StrainBook/616 User’s Manual
Triggering
Multi-Channel Analog Trigger (up to 64 channels):
Range: Selectable per channel to input range
Latency: 2 µs/channel, plus 4 µs maximum
TTL Trigger
Input Signal Range: 0 to 5V
Input Characteristics: TTL-compatible with 10K Ohm pull-up resistor
Latency: 300 ns
Software Trigger
Latency: 100 µs typical
External Clock
Connector: Available on DB25 digital input
Input Signal Range: 5V TTL compatible
Input Characteristics: 50K Ohms pull up (to +5V) in parallel with 50 pF
Input Protection: Zener clamped -0.7 to +5V
Delay: 200 ns
Signal Slew Rate Requirement: 20V/µs minimum
Rate: Up to 1 MHz
Divisor Ratio: Divide by 1 through 255, selectable
Clock Counter Accuracy: <0.02%
Clock Counter Range: 0.01Hz to 100KHz
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 µs to 1.1 µs/channel, all channels equal
Maximum Repeat Rate: 1 MHz
Minimum Repeat Rate: 100 seconds per scan
Expansion Channel Sample Rate: Same as on-board channels, 1 to 1.1 µs, fixed
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
Note: Specifications are subject to change without notice.