User's Manual

Micropilot NMR84
2 Endress+Hauser
Table of contents
Document information ....................... 3
Symbols .................................... 3
Function and system design ................... 5
Measuring principle ............................ 5
Integration of tank sensors ....................... 6
Measuring system ............................. 7
Input ..................................... 8
Measured variable ............................. 8
Maximum measuring range ...................... 8
Operating frequency ........................... 8
Transmitting power ............................ 8
HART Ex ia/IS active input ....................... 8
Output ................................... 9
I/O modules ................................. 9
"Modbus RS485": Technical data ................... 10
"V1": Technical data ........................... 11
"4-20mA HART" I/O module (Ex d/XP or Ex i/IS):
Technical data .............................. 11
"Digital I/O module": Technical data ................. 11
Power supply ............................. 12
Terminal assignment .......................... 12
Supply voltage .............................. 12
Cable entries ............................... 13
Cable specification ............................ 13
Overvoltage protection ......................... 13
Performance characteristics .................. 14
Reference operating conditions ................... 14
Measured value resolution ...................... 14
Maximum measured error ....................... 14
Hysteresis ................................. 14
Repeatability ............................... 14
Linearity .................................. 14
Long-term drift .............................. 14
Influence of ambient temperature ................. 14
Installation ............................... 15
Installation conditions ......................... 15
Environment .............................. 16
Ambient temperature range ..................... 16
Ambient temperature limits ..................... 16
Classification of environmental conditions according to
DIN EN 60721-3-4 ........................... 17
Storage temperature .......................... 17
Humidity .................................. 17
Degree of protection .......................... 17
Shock resistance ............................. 17
Vibration resistance ........................... 17
Electromagnetic compatibility (EMC) ............... 17
Process .................................. 18
Process temperature range ...................... 18
Process pressure range ......................... 18
Dielectric constant ............................ 18
Custody transfer approval ................... 19
Mechanical construction .................... 20
Dimensions ................................ 20
Weight ................................... 24
Materials .................................. 25
Operability ............................... 28
Operating concept ............................ 28
Operating options ............................ 28
Local operation .............................. 28
Remote operation ............................ 29
Operation via service interface .................... 29
Certificates and approvals ................... 30
CE mark ................................... 30
RCM-Tick marking ............................ 30
Ex approval ................................ 30
Dual seal according to ANSI/ISA 12.27.01 ............ 30
Functional Safety (SIL) ......................... 30
WHG ..................................... 30
Weight & Measure approval ..................... 30
Radio standard EN302372-1/2 ................... 30
FCC / Industry Canada ......................... 30
Non-ionizing radiation protection .................. 31
Test, certificate .............................. 31
Other standards and guidelines ................... 31
Ordering information ....................... 33
Ordering information .......................... 33
Calibration certificate .......................... 33
Customized parametrization ..................... 34
Marking .................................. 34
Application packages ....................... 35
Advanced tank measurement methods .............. 35
Accessories ............................... 38
Device-specific accessories ...................... 38
Communication-specific accessories ................ 39
Service-specific accessories ...................... 39
System components ........................... 39
Documentation ............................ 40
Technical Information (TI) ...................... 40
Brief Operating Instructions (KA) .................. 40
Operating Instructions (BA) ..................... 40
Description of Device Parameters (GP) ............... 40
Safety instructions (XA) ........................ 40
Registered trademarks ...................... 41