Meilhaus Electronic Mile House El.MML USB MEAS/switch RedLab® 1008 Hoja De Datos
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RedLab® 1008
miniLAB 1008 User's Guide
Specifications
Digital Input / Output (DB37)
Digital type
82C55
Number of I/O
24 (Port A0 through Port C7)
Configuration
2 banks of 8 and 2 banks of 4, or 3 banks of 8
Pull up/pull-down configuration
All pins pulled up to Vs via 47 k resistors (default).
Positions available for pull down to ground.
Hardware selectable via zero ohm resistor.
Positions available for pull down to ground.
Hardware selectable via zero ohm resistor.
Input high voltage
2.0 V min, 5.5 V absolute max
Input low voltage
0.8 V max, –0.5 V absolute min
Output high voltage (IOH = -2.5 mA)
3.0 V min
Output low voltage (IOL = 2.5 mA)
0.4 V max
External Trigger
Parameter Conditions
Specification
Trigger source
External digital
DIO[3:0], only DIO may be selected as a trigger
input
input
Trigger mode
Software
selectable
selectable
Level sensitive: user configurable for TTL level high
or low input.
or low input.
Trigger latency
Burst
25 µs min, 50 µs max
Trigger pulse width
Burst
40 µs min
Input high voltage
3.0 V min, 15.0 V absolute max
Input low voltage
0.8 V max
Input leakage
current
current
±1.0
µA
Counter Section
Counter type
Event counter
Number of channels
1
Input source
CTR screw terminal
Resolution 32
bits
Schmidt trigger hysteresis
20 mV to 100 mV
Input leakage current
±1 µA
Maximum input frequency
1 MHz
High pulse width
500 ns min
Low pulse width
500 ns min
Input low voltage
0 V min, 1.0 V max
Input high voltage
4.0 V min, 15.0 V max
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