Here are the brief English - language parameters of Allen - Bradley 1794 - ASB:
Model: 1794 - ASB
Product Type: Flex I/O Remote I/O Adapter Module
Communication Port: 1 RIO communication port
Communication Rate: 57.6 Kbps, 115.2 Kbps, 230.4 Kbps
Input Voltage: 19.2 - 31.2 VDC (nominal 24 VDC)
I/O Capacity: 8 modules
Operating Temperature Range: 0°C to +55°C (Some data shows - 40°C to +70°C)
Protection Level: IP20 (Some data shows IP67)
Dimensions: Approximately 114 mm x 70 mm x 25 mm or 4 inches x 2 inches x 4 inches
Weight: About 0.4 kg or 0.17 kg
Indicator Lights: Power (green), Adapter Active (green), Adapter Fault (red), Local Fault (red)
Isolation Voltage: 500 VAC between user power and flexbus
Maximum Power Consumption: 450 mA (from external 24 V supply)
Maximum Power Dissipation: 4.6 W (at 31.2 VDC)
Thermal Dissipation: 15.7 BTU/hr (at 31.2 VDC)