The 1797-PS2N2 is a high-performance DC power module manufactured by Allen-Bradley (Rockwell Automation) in the Flex Ex family. Here are the details of the product:

Product characteristics
High reliability: With dual power feed power input redundancy design, to ensure the stability and reliability of power supply.
Multiple protection features: including lightning protection (4000V), overcurrent protection (1.5A) and surge protection (600W) to adapt to complex industrial environments.
Flexible communication capabilities: Support for a variety of communication rates from 9.6kBit/s to 12MBit/s (depending on configuration).
Industrial grade design: suitable for harsh environment, in line with industrial grade design standards, and through EMC test certification.
Technical specification
Power input: DC 9-36V, typical DC 24V, power consumption is less than 4W.
Output voltage: 19-32VDC.
Output power: 8.5W per channel.
Number of channels: 4.
Protection class: IP30.
Case material: corrugated aluminum reinforced case.
Operating temperature range: -20°C to +60°C.