Val Controls IHP24-A Hardware Manual

Also see for IHP24-A: Hardware manual User manual Manual

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Val Controls IHP24-A Hardware Manual Manual pdf 8 page image

DHW-UM-002Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600vc@valcontrols.com • www.valcontrols.comRevision: 38/203.3 4-20mA input – AI1, AI2, AI3, AI4, AI5The analogue inputs can be used to connect passive 4-20mA sensors to the device or in thealternative configuration active 4-20mA sensors.AIPassive loop Active loop+ - -AI++ - + -3.3.1 TerminalsPassive sensor Active sensorAI1 11 (+)12 (-)12 (+)6 (-)AI2 13 (+)14 (-)14 (+)6 (-)AI3 15 (+)16 (-)16 (+)6 (-)AI4 17 (+)18 (-)18 (+)6 (-)AI5 19 (+)20 (-)20 (+)6 (-)3.3.2 Electrical specificationsAI – Analogue inputsExternal 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