Val Controls IHP24-A Hardware Manual

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Val Controls IHP24-A Hardware Manual Manual pdf 9 page image

DHW-UM-002Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600vc@valcontrols.com • www.valcontrols.comRevision: 39/203.4 Position sensor – AI10The position feedback can be delivered from a 3-wire potentiometer. The sensor input can as analternative also be used as a 4-20mA loop input.AI101098PotentiometerAI10Passive loop68Ω1W1kΩ¼W1085 96+ -AI10Active loop68Ω1W1kΩ¼W10869+ -The external resistors must be mounted to get the correct functionality.3.4.1 TerminalsSensor Passive loop Active loopAI10 8 Pot high9 Wiper10 Pot low5 (+)9 (-)9 (+)6 (-)3.4.2 Electrical specificationsAI10 – Position sensorPotentiometer size 5 kΩ to 20 kΩMinimum use operating area 40%Cable length 1.5 metersLinearity < 0.1%Temperature coefficient 0.01% / 1°C (Warm-up: 10 min)AI10 – LoopExternal loop max Rload 820 Ohm at 20mA and 16.4VDCOperating area 4 – 20mAMinimum span 12mACable length 1000 metersLinearity < 0.1%Temperature coefficient 0.01% / 1°C (Warm-up: 10 min)Rin < 100 Ohm