Owner manual

DEVICE DESCRIPTION 2

H250 M40

www.krohne.com06/2013 - 4002868601 MA H250-M40-NEPSI-Ex-d-R01-

2.8 Electrical data

Electrical equipment Rated voltage Nominal current

Limit switches K1 / K2 OC Output 10 - 30 VDC ≤100 mA

Limit switches K1 / K2 NAMUR Output 5- 25 VDC ≤1 / ≥3mA

Reed contacts R1 / R2 0 - 32 VDC ≤100 mA

Signal output ESK4 14 - 32 VDC

4...20mA with HART

communication

Switching output ESK4-T OC output 8 - 32 VDC 1...100 mA

Switching output ESK4-T NAMUR output 8VDC ≤1 / ≥3mA

Signal input ESK4-T input 8 - 32 VDC ≤2 mA

ESK4-FF Foundation Fieldbus transmitter 1 9 - 32 VDC 16 mA

ESK4-PA Profibus transmitter 2 9 - 32 VDC 16 mA

1 Further information and instructions for operation of the ESK4-FF transmitter are provided in separate supplementary

instructions.

2 Further information and instructions for operation of the ESK4-PA Profibus transmitter are provided in separate sup-

plementary instructions.

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