Allen - Bradley 1794 - APB is a Profibus adapter module for Flex I/O systems. Here are its main parameters in English:
Brand: Allen - Bradley/Rockwell Automation
Series: Flex I/O
Part Number: 1794 - APB
Input Voltage: Nominal 24 VDC, range 19.2 - 31.2 VDC (including 5% AC ripple)
Input Current: Maximum 450 mA, 330 mA at 24 VDC
Inrush Current: 23 A for 2 ms
Communication Rate: Up to 12 Mbps
Communication Port: One 9 - pin D - shell connector
Supported Protocol: Profibus
Flexbus Output Current: Maximum 640 mA at 5 VDC
Isolation Voltage: 850 VDC
I/O Capacity: 8 modules
Power Consumption: Maximum 400 mA, 7.9 W at 24 VDC
Power Dissipation: Maximum 7.68 W at 19.2 VDC
Thermal Dissipation: 26 BTU per hour at 19.2 VDC
Enclosure Type: Open - style
Dimensions: 87 x 69 x 69 mm (3.4 x 2.7 x 2.7 inches)
Operating Temperature: 0 - 55 °C (32 - 131 °F)
Storage Temperature: - 40 - 85 °C (- 40 - 185 °F)
Mounting Type: DIN rail or panel mount