Allen - Bradley 1791 - 32BO is an I/O module. Here are its brief English - language parameters:
Brand: Allen - Bradley/Rockwell Automation
Series: Block I/O
Part Number: 1791 - 32BO
Type: I/O module
I/O Channels: 32 inputs
On - state Input Current: 11 mA
Input Voltage Range: 10 - 30 V DC
Input Impedance: 15 kΩ
Input Signal Delay: 1 ms
External Power: 85 - 132 V AC, 47 - 63 Hz
Isolation: 500 V AC
Dimensions: 176.5 x 110.5 x 98 mm
Power Dissipation: 16.3 W