User Manual

8 TECHNICAL DATA
92
OPTIWAVE 7400-24 C
www.krohne.com 12/2015 - 4004901901 - MA OPTIWAVE7400-24 R01 fr
Cable gland Standard: none
Options: M20×1.5 (cable diameter: 7…12 mm / 0.28…0.47¨); others are available on
request
Cable entry capacity (terminal) 0.5…2.5 mm²
Input and output
Current output / HART
Current output / HARTCurrent output / HART
Current output / HART®
Output signal 4…20 mA HART® or 3.8… 20.5 mA acc. to NAMUR NE 43 5
Resolution ±3 µA
Temperature drift Typically 50 ppm/K
Digital temperature drift Max. ±15 mm / 0.6¨ for the full temperature range
Error signal High: 22 mA; Low: 3.6 mA acc. to NAMUR NE 43 6
PROFIBUS PA
PROFIBUS PAPROFIBUS PA
PROFIBUS PA
Type PROFIBUS MBP interface that agrees with IEC 61158-2 with 31.25 kbit/s; voltage
mode (MBP = Manchester Coded, Bus Powered)
Function blocks 1 × Physical Block, 1 × Level Transducer Block, 4 × Analog Input Function Blocks
Device power supply 9...32 VDC – bus powered; no additional power supply required
Polarity sensitivity No
Basic current 15 mA
FOUNDATION
FOUNDATIONFOUNDATION
FOUNDATION™ fieldbus
fieldbus fieldbus
fieldbus
Physical layer FOUNDATION™ fieldbus protocol that agrees with IEC 61158-2 and FISCO model
Communication standard H1
ITK version 6.1
Function blocks 1 × Resource Block (RB), 3 × Transducer Blocks (TB), 3 × Analog Input Blocks (AI), 1
x Proportional Integral Derivative Block (PID)
Analog Input Block: 30 ms
Proportional Integral Derivative Block: 40 ms
Device power supply Not intrinsically safe: 9...32 VDC
Intrinsically safe: 9...24 VDC
Basic current 14 mA
Maximum error current 20.5 mA (= basic current + error current = 14 mA + 6.5 mA)
Polarity sensitivity No
Minimum cycle time 250 ms
Output data Level, distance, ullage conversion, level conversion
Input data None
Error current FDE Typically 0 mA (FDE =Fault Disconnection Electronic)
Link Master function Supported
Approvals and certification
CE This device fulfils the statutory requirements of the EC directives. The
manufacturer certifies successful testing of the product by applying the CE mark.
Vibration resistance IEC 60068-2-6 and EN 50178 (10...57 Hz: 0.075 mm / 57...150 Hz:1g)
Explosion protection
Explosion protectionExplosion protection
Explosion protection