Cypress Suprex SPX-1300 Руководство по эксплуатации - Страница 4
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Ambient Temperature
(Degrees Celsius)
The SPX-1300 units should be operated with a filtered 12 Volt nominal DC supply. "
However, any voltage between 8 and 16 volts can be utilized by following the temperature /voltage derating curve.
Voltage should not exceed 16 VDC."
"
Digital Data (D0/D1) Inputs and Outputs are OpenCollector with switchable 1k pullup resistors.."
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Data I/O Points are rated for the following voltages:"
0 - 5 VDC with pullups on "
"
0- 24 VDC with pullups off"
All Digital Inputs and Outputs are 0 - 24 VDC tolerant . Pullup resistors should be disabled when using I/O at voltages
greater than 5VDC to prevent excessive current draw and possible component damage. "
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Analog Inputs are rated for 5 VDC max."
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The Relay 3, Relay 4 inputs and Programming resistor inputs are analog inputs and are limited to 5 volts DC Maximum."
All inputs and outputs are provided with transient and static protection."
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The RS-485 communication channel will provide the best performance using shielded twisted pair wiring. Other wire
types can be used, and performance will depend upon actual field conditions. The Suprex units will typically function
with: Coax, THHN building wire, Cat5 and Cat 3 cable, etc.
Electrical and Environmental Specifications
80
55
35
-40
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10
12
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Supply Voltage
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Temperature/Voltage de-rating curve
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14
16