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B865–001 Register Input, Specifications
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(Original Document)
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B865–001 Register Input, Specifications
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(Original Document)
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Description
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TTL register input
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Number of Points
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8 channels, 16 data lines
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Operating Voltage
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5 V TTL
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Number of Groups
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NA
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Outputs/group
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NA
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Guaranteed Min. Levels
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High State>3.5 Vdc
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Low State<0.4 Vdc while sinking 16 mA
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Strobe Output Power
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2 TTL loads @ 5 Vdc
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Strobe Width Timing
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2 mS 10%
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Data Set-up Time
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Within 180 s after the strobe has gone active (LO), data must have sta-bilized on the field side inputs
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Minimum Data Hold Time
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100 s must be provided by user
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Maximum Response Time
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OFF→ON
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20 ms
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ON →OFF
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20 ms
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Power Required
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+5 V
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400 mA
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+4.3 V
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600 mA
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-5 V
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0 mA
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External Supply
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A +5 Vdc external power supply is required for pull-up resistor VCC
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Field Devices Requirements
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Field Device
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Output Level
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TTL
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Low: 0 < 0.8 Vdc @ 1.6 A
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High: 1 > 2.4 Vdc @ 40 A
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CMOS
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Low: 0 < 1.6 Vdc @ 0.3 A
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High: 1 > 3.3 Vdc @ 0.3 A
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Terminal Connector
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AS-8535-000
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Reference Type
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Mapped as 128 bits input
1x
or
Mapped as 8 registers input
3x
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Input Type
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BIN/BCD
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