Analog inputs
- AI Universal module RL 422-0 AI Analog inputs, 4 x I / U / TPS / potentiom. (16 bit)
- AI Module Pt 100 RL 423-0 RTD 4 x Pt 100 galvanically isolated
- AI Module Pt 1000 RL 423-1 RTD 4 x Pt 1000 galvanically isolated
- AI Module Pt 100/Pt 1000 RL 423-2 RTD 4 x Pt 100/Pt 1000 galvanically isolated
- AI Thermocouple module RL 424-0 TC 2 x TC galvanically isolated
- AI Thermo./Lambda module RL 424-1 TC 2 x TC / O2 (mV)
- AI Thermocouple module RL 424-2 TC 4 x TC galvanically isolated 2/2)
Analog outputs
- AO Analog outputs RL 431-0 AO 4 x I / U (±10 V / ±20 mA, 12 bit)
Analog Combi inputs/outputs
- AIO Combi-module RL 461-0 AI/AO Combination module with 2 x AI (16 bit) Difference inputs and 2 x AO (12 bits)
Digital inputs
- DI Digital inputs RL 442-0 DI Digital inputs 2 x 4 x 24 VDC (pnp)
- DI Digital inputs RL 442-1 DI Digital inputs 2 x 4 x -24 VDC (npn)
- DI Digital inputs RL 442-2 DI Digital inputs 2 x 4 x contact (potential-free)
- DI Digital inputs RL 443-0 DI 4 x contact, potential-free (115/230 VAC)
Digital outputs
- DO Digital outputs RL 451-0 DO Digital outputs 2 x 4 x 24 VDC/2A
- DO Digital outputs RL 451-1 DO Digital outputs 2 x 4 x 24 VDC/2A (freewheel diode)
- DO Digital outputs RL 452-0 REL Relay outputs 4 x 230 VDC/5A
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