KROHNE H250 M40 FOUNDATION FIELDBUS - Manual (Page 3)

DEVICE DESCRIPTION
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3
H250 M40
www.krohne.com 02/2014 - 4001208201 - AD H250 M40 FF R02 en
Device description
1.1 Scope of the document
These instructions are supplementary to the standard product documentation of the signal
converter. The details depicted therein, in particular the safety information are valid and should
be adhered to. The present supplementary instructions provide additional information for the
devices when being operated and connected to a Foundation Fieldbus.
1.2 Device version
• H250 with indicator M40
• H250 with M40 indicator with display cut-out for ESK4-T
1. H250/RR/M40
• Local indicator without auxiliary power
• max. 2 limit switches, type NAMUR, NAMUR safety-oriented or transistor (3-wire)
• Electrical signal output 4...20 mA, HART
® or Fieldbus communication
• Optionally intrinsically safe (Ex i) or in explosion-proof enclosure (Ex d)
2. H250/RR/M40
• additional LCD, measured value and/or flow counter
• 2 configurable binary outputs, limit value or 10Hz pulse output
• 1 binary input, Start / Stop / Reset flow counter
• 2-wire current output 4…20 mA, HART
® communication
• Optionally intrinsically safe [Ex i] or in explosion-proof enclosure [Ex d]
The following designs are available as options:
• H250 with indicator M40 as high-temperature version HT
• H250 with indicator M40 with added corrosion protection (special paint finish)
• H250H for use in horizontal pipelines
• H250U for use in vertical fall pipes
• H250F featuring hygienic measuring tube design for Food & Pharma
• H250C with PTFE / TFM liner for aggressive media
INFORMATION!
The present supplementary instruction for the signal converter with Foundation Fieldbus
interface, plus the software with the DD and CCF files are included in our scope of supply, in
addition to those items delivered for the standard device.
AD_H250_M40_FF_R02_en_4001208201_PRT.book Page 3 Friday, February 21, 2014 11:25 AM