61F-GPN-BT/-BC Level Control Compact plug-in (11-pin) level controller (DC supply) This controller is for single- or two-pointlevel control. 24 VDC supply allows for usage in locations without AC power supply. Relay contact chatteringusually caused by waves has been eliminated by using open collector output, reducing contact wear. • Adjustable sensitivity: Operation range: 0 to 100 k •RedLED for operation indicator • Conforms to EMC and LVD directives •UL/CSA approved • Probes need to be ordered separately Ordering information Product name Output Order code Conductive level controller Open collector (NPN)61F-GPN-BT 24VDC Relay contact (SPST-NO)61F-GPN-BC 24VDC Front socketPF113A-E Accessories Electrode holders ApplicationsMounting styleInsulator material Max. temperatureNumber of electrodes Order code For city water and other general use. Easy-to-replace separate versions for maintenance. FlangePhenol resin 70°C3PS-3S When mounting space is limited. Special 3-pole holder of small size and light weight. Screw Phenol resin 3, 300 mm 3, 1000 mm PS-31-300MM PS-31-1000MM Use for sewage, sea water, etc., having a low specific resistance. For resistance to high pressure. Use in tanks with high temperature or pressure. FlangePPS 150°C (without water drips or vapour on the1BF-1 electrode holder surface) ScrewPFA250°C (without water drips or vapour on the1BS-1 surface of the electrode holder) Electrode separators Number of electrodes Order code Electrodes, connecting, and lock nuts 1F03-14 1P 3F03-14 3P Applicable liquidsMaterial Component Indication mark Inscription Order code Purified city water, industrial water, sewageEquivalent to SUSElectrode (1 m long)1 line–F03-01 SUS201 Purified city water, industrial water, sewage, dilute alkaline solution 304 (AISI-304) SUS316 (AISI-316) Connecting nut– –F03-02 SUS201 Lock nut– –F03-03 SUS201 Electrode (1 m long)2 lines–F03-01 SUS316 Connecting nut– 6F03-02 SUS316 Lock nut– 316F03-03 SUS316 Specifications Item61F-GPN-BT61 F-GPN-BC Rated voltage 24 VDC Allowable voltage range85 to 110% of the rated voltage Interelectrode voltage 5 VAC max. ErrorFor scale of 0: +10 k, for scale of 100: ±10 k Release resistance200% max. of the operation resistance Switching between supply and drainage Terminals 7 and 8 open: Automatic drainage operation terminals 7 and 8 shorted: Automatic supply operation Output specifications Open collector (NPN) 30 VDC, 100 mA max.SPST-NO 5 A, 240VAC (resistive load) 2 A, 240VAC (inductive load: cos = 0.4) Life expectancy– Electrical: 100,000 operations min. Mechanical: 20,000,000 operations min. Wiring distance100 m max. Ambient operating temperature–10 to 55°C Response timeOperating: 1.5 s max., releasing: 3.0 s max. Size in mm (HxWxD)49.9x38x70 656
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