Installation Instructions
Table Of Contents
- Table of contents
- Important document information
- Terms and abbreviations
- Registered trademarks
- Product life cycle
- Measuring principle
- Input
- Output
- Protocol-specific data, Modbus
- Electrical connection
- Performance characteristics
- Installation
- Environment
- Process
- Mechanical construction
- Operability
- Certificates and approvals
- Ordering information
- Accessories
- Documentation
Micropilot FMR20 Modbus RS485
14 Endress+Hauser
Response time
The response time can be configured. The following step response times apply (in accordance with
DIN EN 61298-2) when damping is switched off:
Tank height
<20 m (66 ft)
Sampling rate
1 s
-1
Response time
<3 s
In accordance with DIN EN 61298-2, the step response time is the time following an abrupt
change in the input signal up until the changed output signal has adopted 90% of the steady-
state value for the first time.
Influence of ambient
temperature
The measurements are carried out in accordance with EN 61298-3.
Digital (Modbus, Bluetooth® wireless technology):
Standard version: average T
C
= ±3 mm (±0.12 in)/10 K
Installation
Installation conditions Installation types
B C D
A
E
F
A0030605
10 Wall, ceiling or nozzle installation
A Wall or ceiling mount, adjustable
B Mounted at front thread
C Mounted at rear thread
D Ceiling installation with counter nut (included in delivery)
E Horizontal installation with reflector plate
F Shaft wall mounting
Caution!
• The sensor cables are not designed as supporting cables. Do not use them for suspension
purposes.
• Always operate the device in a vertical position in free-space applications.