Dewetron DEWE-ORION-0824-20 Series, Technical Reference Manual

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Page 59
DE-M080801E • DEWE-ORION-0824-20x • Technical Reference Manual • Printing version 1.1.2 • March 19, 2014
DEWE-ORION-0824-20x
4.2 Digital and Counter input
Digital and Counter input
Counter resolution 32-bit
Counter time base 80 MHz
Time base accuracy 35 ppm
Maximum input frequency 40 MHz
Input signal characteristic main board
Adjustable Counter DI0 to DI7
Compatibility Adjustable trigger levels
Configuration Symmetric differential
Input coupling DC / AC (1Hz)
Input impedance (ground referenced) 1 MOhm / 5 pF
Bandwith (-3dB) 5 MHz
Trigger adjustment range 0 to 40 V
Trigger resolution 40 mV
Trigger level accuracy ±100 mV ±1% of trigger level
Common voltage range -35 to 50V
Common mode rejection ratio >40 dB
Overvoltage protection ±100 V continuous
Max. DC level @AC coupling ±50 V continuous
Digital input DI8 to DI15
Compatibility TTL/CMOS
Configuration Pull-up with 100 kOhm
Input low level -0.7 V to 0.8 V
Input high level 2 V to 5 V
Input low current < -50 µA
Input high current < 10 µA
Input capacitance < 5 pF
Overvoltage protection (DI 8 to DI 15) -1 to 6 V
Input signal characteristic CLK and Trigger
Compatibility TTL Schmitt trigger
Configuration Pull-up with 100 kOhm
Input low level -0.7 V to 2 V
Input high level 3 V to 5 V
Input low current < -50 µA
Input high current < 10 µA
Input capacitance < 5 pF
Overvoltage protection -1 to 6 V
Input signal characteristic expansion board with TTL input
Compatibility TTL/CMOS
Configuration Pull-up with 100 kOhm
Input low level -0.7 V to 0.8 V
Input high level 2 V to 5 V
Input low current < -50 µA
Input high current < 10 µA
Input capacitance < 5 pF
Overvoltage protection ±25 V continuous
Input signal characteristic expansion board with adjustable input
Compatibility Adjustable trigger levels
Configuration Symmetric differential
Input coupling DC / AC (1Hz)
Input impedance (ground referenced) 1 MOhm / 5 pF
Bandwith (-3dB) 5 MHz
Trigger adjustment range 0 to 40 V
Trigger resolution 40 mV
Trigger level accuracy ±100 mV ±1% of trigger level
Common voltage range -35 to 50V
Common mode rejection ratio >40 dB
Overvoltage protection ±100 V continuous
Max. DC level @AC coupling ±50 V continuous
Input signal characteristic with isolated inputs
Compatibility CMOS
Configuration Isolated input
Input low level
U
IN
< 1.8 V
Input high level
U
IN
> 3.2 V
Input high current @ 5 V U
IN
< 3.5 mA
Input high current @ 30 V U
IN
< 7 mA
Propagation delay < 160 nsec
Bandwidth 3 MHz
Overvoltage protection 35 V continuous (65 V peak)
Isolation voltage (channel to channel) 100 V
Isolation voltage (input to output) 250 V