MULTICAL® 602 Flow measuring V1 and V2 CCC-code EN 1434 pulse class Pulse input Pulse ON Pulse OFF Pulse frequency Integration frequency Electrical isolation Max. cable length ULTRAFLOW  V1: 9-10-11 and V2: 9-69-11 1xx and 2xx IC 680 k Ω pull-up for 3.6 V < 0.4 V in > 1 ms > 2.5 V in > 4 ms < 128 Hz < 1 Hz No 10 m Reed switches V1: 10-11 and V2: 69-11 0xx IB 680 k Ω pull-up for 3.6 V < 0.4 V in > 100 ms > 2.5 V in > 100 ms < 1 Hz < 1 Hz No 25 m FET switches V1: 10-11 and V2: 69-11 9xx IB 680 k Ω pull-up for 3.6 V < 4 V i > 3 ms > 12 V i > 10 ms < 4 Hz < 2 Hz No 25 m 24 V active pulses V1: 10B-11B and V2: 69B-79B 2xx and 9xx (IA) 12 mA at 24 V < 4 V in > 3 ms > 12 V in > 10 ms < 128 Hz < 1 Hz 2 kV 100 m Pulse inputs without bounce damping: Pulse inputs VA and VB VA: 65-66 and VB: 67-68 Pulse input Pulse ON Pulse OFF Pulse frequency Electrical isolation Max. cable length Requirements to external contact Water meter connection Electricity meter connection FF(VA) and GG(VB) = 71…90 FF(VA) and GG(VB) = 50…70 680 k Ω pull-up for 3.6 V 680 k Ω pull-up for 3.6 V < 0.4 V in > 30 ms < 0.4 V in > 30 ms > 2.5 V in > 100 ms > 2.5 V in > 100 ms < 1 Hz < 3 Hz No No 25 m 25 m Leakage current at function open < 1 µ A Pulse inputs with bounce damping: Pulse inputs VA and VB VA: 65-66 and VB: 67-68 Pulse input Pulse ON Pulse OFF Pulse frequency Electrical isolation Max. Cable length Requirements to external contact Water meter connection FF(VA) and GG(VB) = 01…40 680 k Ω pull-up for 3.6 V < 0.4 V i > 200 ms. > 2.5 V i > 500 ms. < 1 Hz None 25 m Leakage current at function open < 1 µ A Pulse outputs CE and CV - via top module Type External voltage Current Residual voltage Electrical isolation Max. cable length Pulse length 602-0A/0C Open collector (OB) 5…30 VDC 1…10 mA U CE ≈ 1 V at 10 mA 2 kV 25 m Optional 32 ms or 100 ms 67-0B Opto FET 5…48 VDC/AC 1…50 mA R ON ≤ 40 Ω 2 kV 25 m Kamstrup A/S · Technical Description · 5512-931_P1_GB_04.2023 9