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SixTRAK Local I/O
High Speed Counter Input
s

q

 

 

 

 

 

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ST-DI-CNT-08U Performance Specifications

Number of counters

8

Count mode performance:

 

Guaranteed count rate 

50 KHz

Count resolution 

16 bits

Rate (frequency) mode performance:

 

Maximum input rate 

50,000 per sec

Shortest measurement period 

100 mS

Longest measurement period 

1 min

Position mode performance:

 

Maximum position axes 

 

(two channels per axis) 

4

Maximum pulses per second

25,000

Maximum quadrature states

100,000 per second

Position resolution

32 bits

Input performance:

 

Guaranteed count input voltage 

4 volts

Maximum count input voltage 

30 volts

Guaranteed off input voltage 

1.5 volts

Nominal count input current 

8 mA

 

 

Maximum ST-Bus power

600 mW

Isolation (input to ST-Bus)

1200 V

Operating temperature range

-30 to 70 degrees C

Storage temperature range

-40 to 85 degrees C

Humidity (non-condensing)

5 to 95 %

Flammability (module plastic)

UL 94V-0 materials

Electrical safety

UL 508, CSA C22.2/14; EN61010-1 (IEC1010), CE

EMI emissions

FCC part 15, ICES-003, Class A; EN55022, CE

EMC immunity

EN50082-1 (IEC801-2, 3, 4) CE

Surge withstand

IEEE-472 (ANSI C37.90)

Vibration

IEC68-2-6

Hazardous locations

UL 1604, CSA C22.2/213-M1987, (Class I, Div 2, Groups A, B, C, D), EN50021 (zone 2)

Marine/offshore locations

Det Norske Veritas (DNV) No. 2.4 (Class A and B)

 

Note: A pair of counter channels can be combined to make a 32 bit up/down counter or accumulator.

 

Specifications are subject to change. Consult the factory for the latest information.