Approx. 12–16 kg (26.5–35.3 lbs) depending on configuration
1–4, individually optically isolated 4(0)–20 mA (RB ≤ 500 Ω)
2 analog inputs, 0–1(10) V (Rin = 100 Ω) or 4(0)–20 mA (Rin = 50 Ω)
4 status relays acc. NAMUR NE 107 or e.g. concentration thresholds, valve status notification dry contacts: 1 A, 30 V
RS 485 / 232C with Modbus RTU. Optional: Ethernet with Modbus TCP