7 Functional Description of the Fieldbus Modules
7-12
7.2.3 Technical data
Features
• One serial Profibus channel, RS485 electrically isolated from the system
• Profibus ASIC ASPC2
• Profibus protocol handling with module’s own CPU
• Module’s own RAM for CPU and Profibus ASIC
• Shared RAM for data exchange between AC 800F and FI 830F
• Module’s own firmware memory
• Serial 4-kBit EEPROM with 10
7
write cycles for system parameters
• Module voltage monitoring
• Profibus master redundancy possible
General features
• Rated voltages: 5V,± 3% and 3.3V, ± 3%
• Power consumption: In the active state it depends on the
communication cycle time: 2.4 W ... 2.8 W
• Weight: app. 150 g
• Dimensions: 155 x 28 x 128 mm (H x W x D)
• Output current (VP): max. 20 mA for bus termination/repeater supply
• Output voltage (VP): 5 V ± 5%
• Overvoltage protection: + 7.5 V/- 5 V both transmission lines to GND.
• CPU: 80C165 embedded controller, 16-bit, 20 MHz.
• Profibus ASIC: ASPC2, 24 MHz, communication module for
Profibus master functionality. Handling of layers 1
and 2 in accordance with DIN 19245/EN 50170.
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