Analog triggering, Sequencer, Tachometer inputs – Measurement Computing ZonicBook 618E rev.3.4 User Manual
Page 99
Specifications are subject to change without notice.
ZonicBook/618E
918895
Specifications 13-3
Analog Triggering
Single-Channel Analog Trigger (via CH1 through CH8)
Analog-Trigger Comparator, Ranges and Resolutions
Input Range
Trigger Threshold Range
Resolution (mV)
0-10 or ±5
-5.0 to 9.996
0.299
0-5 or ±2.5
-2.5 to 4.998
0.114
0-2 or ±1
-1.0 to 1.999
0.0458
0-1 or ±0.5
-0.5 to 0.9996
0.0229
0-0.5 or ±0.25
-0.25 to 0.4998
0.0114
0-0.2 or ±0.1
-0.10 to 0.1999
0.00458
0-0.1 or ±0.05
-0.05 to 0.09996
0.00229
Hysteresis Level:
1/600 of the comparator range
Maximum Trigger Latency:
Pre-trigger: 300 ns + T; where T equals the pre-trigger scan period.
Post-Trigger: 300 ns
Trigger Jitter:
Pre-trigger: 50 ns + T; where T equals the pre-trigger scan period.
Post-Trigger: 50 ns
Software Trigger
Latency: 100µs typical
Trigger Input (TTL Compatible) – BNC connector. Refer to page 13-2 for details.
Sequencer
Operation: Programmable for channel, gain, and for unipolar/bipolar range in random order
Depth: 128 location
Channel-to-Channel Rate: 1.0 to 1.1µs/channel, all channels equal
Maximum Repeat Rate: 1MHz
Minimum Repeat Rate: 100 seconds per scan
Expansion Channel Sample Rate: Same as for direct channels
Tachometer Inputs
Channels: 4 differential (TACH1 through TACH4)
Connector: BNC: Center conductor is Channel High, outer conductor is Channel Low
Input Impedance: 20k
Ω Single-ended; 40k Ω double-ended
Input Voltage ranges: -50V to +50Volts specified; -75 Volts to + 75 Volts maximum
Resolution: 0.002307 V/bit
DC Accuracy: 0.25% of reading + 200 mV offset
Noise: 5 mVrms (typical); 10 mVrms (maximum)
Common Mode Rejection: -70 dB typical (0 to 60 Hz); -40 dB guaranteed (0 to 60 Hz)
Coupling: AC or DC, programmable
Analog Sampling Bandwidth: DC to 1 MHz