Digital input module FC 021

RS422TTLflow rate counting

2 digital RS422 inputs with counter function 2 digital TTL inputs with counter function galvanically separated 2 digital HTL inputs with counter function galvanically separated For the S-DIAS system, EPLAN Macros are available for simple integration into the control cabinet. Digital Inputs Type - RS422 Number - 2 Input signal - RS422 level Input delay - 0,025 µs Digital Inputs Type - HTL Number - 2 Galvanic isolation - Yes Input voltage - typically +24 V DC Input current - 3,7 mA bei +24 V Input delay - 10 µs Digital Inputs Type - TTL Number - 2 Galvanic isolation - Yes Input voltage - typically +5 V DC Input current - 1,5 mA at +5 V Input delay - typically 1 µs Mechanical Features Dimensions - 12.5 x 104 x 72 mm (W x H x D) Protection type - IP20 Article Number/Certification Article number - 20-016-021 Standardization/­certification - designed according to UL