Ecolab LMI 02, Руководство пользователя

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417102012_LMI02.doc - 90 - Rev. 9-07.08
11.5 Inputs
“START PRE-METERING”.
Potential-free make contact (wiping contact with t
on
< t
pre-metering)
(with preset pre-metering delay time: wiping contact with t
on
> t
pre-metering delay time)
Contact load from LMI02: 24 V DC, 20 mA
“METERING ENABLE”:
Potential-free make contact, contact load from LMI02: 24 V DC, 20 mA
Empty message input “NIVEAU”:
Empty status monitoring for product storage container by means of reed contact or level
electrodes. Treshold limit: 500
Ω
... 1 k
Ω
11.6 Power supply
Supply voltage (depends on instrument version)
Item no. 187601 230 V AC + 6 % - 10 %
Item no. 187602 115 V AC +/- 10 %
Item no. 187603 24 V AC +/- 10 %
Mains frequency: 50 Hz -60 Hz
Max. pre fusing: 4 A
Internal fuse protection: Fine wire fuse 5 x 20 mm
63 mA T (for 230 V)
125 mA T (for 115 V)
630 mA T (for 24 V)
Power input: Max. 10 W
Influence of supply voltage
on conductivity
measurement: ≤
2.5 % within permitted range
11.7 Ambient conditions
Permitted ambient
temperature: 0 ... 50 °C
Operating range: 0 ... 65°C
Influence of ambient
temperature:
≤
1 %/10 K in the permitted range
11.8 Interference immunity
In accordance with EN 61000-6-2
11.9 Interference emission
In accordance with 61000-6-3