14
Figure 4-3
Half Digital System Configuration
with an LDT and a DPM
4.1 Specifications/Digital System Components (Temposonics II with TCS Counter Card)
Parameter Specification
Digital Counter Card
Power Requirements
Voltage: +5 Vdc
Current: 800 mA
Output TTL Compatible, nominal 0 & 5 Vdc, parallel, true high.
Source Current: 0.8 A
Sink Current: 16 mA
(up to 18 bits natural binary, 4 1/4 digit BCD; up to 22 bits binary
and 6 digit BCD can be achieved with a second counter card)
Mounting Distance 300 ft. maximum from Digital Personality Module (DPM)
Digital Personality Module
Recirculations Selectable from 1 to 127
Interrogation Internal
External (1 to 4µs pulse)
Power Requirements
Voltage: ± 15 Vdc
Current: 50 mA
Temperature Requirements
Storage: - 40°F to 180°F (- 40°C to 83°C)
Operating: - 40°F to 180°F (- 40°C to 83°C)
RS422 Personality Module
Interrogation External
Power Requirements
Voltage: ± 15 Vdc
Current: 40 mA
Temperature Requirements
Storage: - 40°F to 180°F (- 40°C to 83°C)
Operating: - 40°F to 180°F (- 40°C to 83°C)
Temposonics II Power Supply
Power Supply Requirements ±15 Vdc at 175 mA maximum, 25 mA minimum
[current draw varies with magnet position, maximum draw occurs
when the magnet is 2 inches (50.8 mm) from the flange and the
minimum update time is being utilized]
Power Supply Requirements
• ±12 to ±15Vdc @ 140mA (bipolar)
Digital Personality Module
User's
Control
System
Pulse Width Output
Belden YR8105
or equivalent (5 pair)
DPM
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