Digital input board, optically isolated:

PA 1000 - Product specifications

Digital input board, optically isolated, 32 digital inputs, 24 V

• 32 digital input channels, 24 V, optically isolated, incl. 16 interruptible
• Optical isolation 1000 V
• 3 programmable timers
• 1 channel can be dedicated to the monitoring of the 24 V supply voltage (channel 16)
• Addressing through DIP switches 
• 16- or 8-bit data bus access
• Overvoltage protection, all inputs with filters
• Protection against fast transients (Burst), overvoltage, electrostatic discharges and high-frequency EMI
• Additional noise suppression on the interrupt lines

Connection

(Connection example: see datasheet  - pdf)

PX901-D:    Screw terminal board, LED status display

PX901-DG: Screw terminal board, LED status display for DIN rail

PX9000:     3-row screw terminal board for DIN rail, LED status display

ST010: Standard cable, shielded, twisted pairs, 2 m

ST011: Standard cable, shielded, twisted pairs, 5 m