Catalog 1 LUMEL 2103

Page 7

connection diagrams N24 Fig. 1. Electrical connections of N24S meters

Fig. 2. Electrical connections of N24Z and N24H meters for the measurement of voltage (and frequency only in N24Z)

or Configuration through PD14

External transducer supply (option)

Supply

Configuration through PD14

N24T

Fig. 5. Electrical connections of N24Z and N24H meters for the current measurement

Fig. 3. Electrical connections of N24T meters

Measuring signals

Configuration through PD14

Fig. 4. Connections of N24Tmeasuring inputs

Resistance thermometer in a 2-wire system

Supply

External transducer supply (option)

Supply

Resistance thermometer in a 3-wire system

Thermocouple of J or K Type Configuration through PD14

Supply

N25 Fig. 6. Electrical connections of N25S meters

Fig. 7. Electrical connections of N25Z and N25H meters for the measurement of voltage (and frequency only in N25Z)

or Configuration through PD14

External transducer supply (option)

Supply

Configuration through PD14

N25T Fig. 8. Electrical connections of N25T meters

Measuring signals

Configuration through PD14

External transducer supply (option)

Supply

Fig. 10. Electrical connections of N25Z and N25H meters for the current measurement Fig. 9. Connections of N25T measuring inputs

Supply

Resistance Resistance thermometer in a thermometer in a 3-wire system 2-wire system

Thermocouple of J or K Type

Configuration through PD14

Supply

N20 Fig. 11 Electrical connections of N20 meters

Fig. 12 Connections of measuring inputs

Thermocouple of J or K Type Measuring signals

Configuration throgh PD14

OC External transducer outputs supply (option)

Resistance thermometer in a 3-wire system

Resistance thermometer in a 2-wire system

Supply

N20Z Fig. 13 Electrical connections of N20Z meters

current input voltage input

N17Z

Fig. 14 Electrical connections of N20Z meter for the measurement of voltage and frequency

Fig. 15 Electrical connections of N20Z meter for the current measurement

Fig. 16 Electrical connections of N17Z meter

Input

or

Supply Measuring signals

Configuration throgh PD14

OC External transducer outputs supply (option)

Supply

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