Central Module Specifications:
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Microprocessors: Two clock-synchronized microprocessors
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Microprocessor Type: INTEL 386EX, 32 bits
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Clock Frequency: 25 MHz
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Memory per Microprocessor:
- Flash-EPROM: 1 MB
- SRAM: 1 MB
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Operating System: Not specified
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User Program: Not specified
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Degree of Utilization: Depending on operating system version
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Interfaces:
- Two serial interfaces RS 485 with electric isolation
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Diagnostic Display: Four-digit matrix display with selectable information
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Shutdown on Fault: Safety-related watchdog with output 24 V, loadable up to 500 mA, short-circuit proof
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Construction: Two European standard PCBs, one PCB for the diagnostic display
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Space Requirement: 8 SU
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Operating Data:
- Voltage: 5 V
- Current: 2 A
RS 485 Pin Configuration:
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1: A / A’ (Not used)
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2: C / C’ (5 V, decoupled by diodes)
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3: Signal-
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4: RP (Receive/Transmit Data A)
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5: CNTR-A (Control signal A)
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6: B / B’ (Not used)
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7: VP- (5 V, positive pole of power supply)
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8: RxD/TxD-B (Receive/Transmit Data B)
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9: CNTR-B (Control signal B)
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10: Not used
Dimensions:
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Size: 21*13*3cm
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Weight: 0.4kg
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