• 16 safety digital input channels up to SIL2 or PL d / 8 channels up to SIL3 or PL e with 8 test pulse outputs.
• Field cable length up to 1000 m supported.
• All channels (including test pulse outputs) are protected against reverse polarity, reverse supply, short circuit and continuous overvoltage up to 30 V DC.

• 8 safety digital output channels up to SIL3 or PL e and 8 safety digital input channels up to SIL2 or PL d / 4 channels up to SIL3 or PL e with 4 test pulse outputs.
• Field cable length up to 1000 m supported.
• All channels (including test pulse outputs) are protected against reverse polarity, reverse supply, short circuit and continuous overvoltage up to 30 V DC.

• 4 safety current input channels up to SIL2 or PL d / 2 safety current input channels up to SIL3 or PL e.
• Could be configured for a range of 0 to 20 mA or 4 to 20 mA (1 or 2 channel mode).
• 14 bit resolution.
• High-speed dedicated analog current module with PROFINET/PROFIsafe functionality with 0.33 ms conversion cycle.

• Interference free spring-type (40 points) terminal unit.
• Module replacement does not interfere with I/O wiring.
• DIN rail or wall mounting with two screws and accessories.
• Solid, flexible with IP20 protection class.

The AC500-S components are available as XC (extreme conditions) version for harsh environmental conditions.

AI581-S
1SAP282000R0001
Analog input module. Safety. 4SAI, 4 SIL2/SIL3, 4..20mA input 14bit, 24VDC (AI581-S)
DI581-S
1SAP284000R0001
Digital input module. Safety. 16SDI, 16SDI SIL2/ 8SDI SIL3, 24VDC, 1-wire, 8 pulse output (DI581-S)
DX581-S
1SAP284100R0001
Digital input/output module. 8 SDI SIL2 / 4SDI SIL3, 24VDC. 8 SDO SIL2/3 24VDC 0.5A. 4 pulse outputs (DX581-S)
TU582-S
1SAP281200R0001
I/O terminal unit. For safety I/O Modules. 24VDC. Spring terminals (TU582-S)