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I/O Lines Types

Lines Type Electrical Style Frequency range Name Prefix
Differential input lines RS-422 differential inputs Up to 5 MHz DIN
TTL input/output lines

5 Volt-tolerant LVTTL single-ended input or

LVTTL (totem-pole, open-emitter and open-collector) single-ended output

Up to 5 MHz TTLIO
Isolated input lines Isolated current-sense input compliant with 5 V, 12 V and 24 V signaling levels Up to 50 kHz IIN
Isolated output lines Isolated 100 mA/30V contact output Up to 50 kHz IOUT