Installation Instructions

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Table Of Contents

Table of contents
Important document information
- Symbols used
Terms and abbreviations
Registered trademarks
Product life cycle
- Engineering
- Procurement
- Installation
- Commissioning
- Operation
- Maintenance
- Retirement
Measuring principle
- Input
- Output
Input
- Measured variable
- Measuring range
- Operating frequency
- Transmission power
Output
- Digital output
- Signal on alarm
- Linearization
Protocol-specific data, Modbus
- Modbus settings
- Measured variables via Modbus protocol
Electrical connection
- Cable assignment
- Supply voltage
- Power consumption
- Starting time
- Power supply failure
- Connecting the device
- Cable specification
- Overvoltage protection
Performance characteristics
- Reference operating conditions
- Maximum measured error
- Measured value resolution
- Response time
- Influence of ambient temperature
Installation
- Installation conditions
Environment
- Ambient temperature range
- Storage temperature
- Climate class
- Operating altitude as per IEC 61010-1 Ed.3
- Degree of protection
- Vibration resistance
- Electromagnetic compatibility (EMC)
Process
- Process temperature, process pressure
- Dielectric constant
Mechanical construction
- Dimensions
- Weight
- Materials
- Connecting cable
Operability
- Operating concept
- Operation via Bluetooth® wireless technology
- Remote operation via Modbus protocol
Certificates and approvals
- CE mark
- RoHS
- EAC conformity
- RCM-Tick marking
- Approvals
- Explosion-protected smartphones and tablets
- Pressure equipment with allowable pressure ≤ 200 bar (2 900 psi)
- EN 302729-1/2 radio standard
- FCC / Industry Canada
- Other standards and guidelines
Ordering information
Accessories
- Device-specific accessories
Documentation
- Brief Operating Instructions (KA)
- Operating Instructions (BA)
- Safety Instructions (XA)

Micropilot FMR20 Modbus RS485

10 Endress+Hauser

Single shot mode switched on/off via RTU

B B

C C

D E

(mW)

(s)

A0038152

 3 Power consumption of single shot mode switched on/off via RTU

A Start-up

B Measurement

C Power save mode

D Switch on power supply

E Switch off power supply

Single shot mode switched on permanently

B B

C C

(mW)

(s)

A0038151

 4 Power consumption of single shot mode switched on permanently

B Measurement

C Power save mode

F Trigger