KROHNE BM 702 A EN - Manual (Page 52)

8
TECHNICAL DATA
52
BM 702 A
www.krohne.com 09/2009 - 4000643301 - MA BM 702 A R01 en
Process connections
Horn antenna or Wave-Guide DN50...200, PN6...64
ASME B16.5: 2...8", 150/300 lbs/RF
Wave-Stick DN50...150
ASME B16.5: 2...6", G1½, 1½NPT
Dairy screw connection DIN 11851: DN50, DN65, DN80
SMS 1145: 51 mm, 63 mm, 76 mm
Tri-clamp ISO 2852: 2...4"
Electrical connections
Power supply Non-Ex / Ex i: 14.5…30 VDC
Cable entry M20x1.5; ½NPT
G½
Cable gland Standard: M20x1.5
Options: ½NPT, G½ adapter
Cable entry capacity (terminal) 0.5…1.5 mm 2 / AWG 20...16
U-clamp terminals
(for PA and FE)
Max. 4 mm 2 / AWG 12
Output
Description of the used
abbreviations
U
ext
= external voltage; R
L
= load + resistance
Current output Current output Current output Current output
Output data Distance, level and volume
Measuring range 4…20 mA HART ® or 3.8…20.5 mA acc. to NAMUR NE 43 1
Load Minimal 0 Ω; max. R
L
= ((U
ext.
- 14.5 VDC) / 22 mA)
Temperature drift ≤ 150 ppm/K
Error signal Acc. to NAMUR NE 43
High value: 22 mA
Low value: 3.6 mA
HART HART HART HART ®
Description HART ® protocol via current output
HART ® version: V5
Load ≥ 250 Ω at HART ® test point;
Note maximum load for current output!
Multidrop operation Yes, current output = 4 mA
Multidrop address adjustable in operation menu 1…15
.book Page 52 Thursday, September 3, 2009 2:53 PM