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Reference Design
ISO1211, ISO1212
SLLSEY7F – JUNE 2017 – REVISED APRIL 2020
ISO121x Isolated 24-V to 60-V Digital Input Receivers for Digital Input Modules
1 Features
•1 Compliant to IEC 61131-2; Type 1, 2, 3 characteristics for 24-V isolated digital inputs
• Supports 9-V to 300-V DC and AC digital input designs using external resistors
• Accurate Current Limit for Low-Power Dissipation: – 2.2 mA to 2.47 mA for Type 3 – Adjustable up to 6.