BRONKHORST Mini CORI-FLOW MI Series, Instruction Manual

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Bronkhorst®
Instruction Manual MI Series Industrial mini CORI-FLOW™ 9.17.120A 21
3.7 Hardware interface
The instrument cover may only be opened in a dry and non hazardous environment. Before opening the cover, make sure
that the operating environment is perfectly safe and that the electrical components cannot be affected by moisture or
aggressive atmospheric components.
The wiring terminal box under the instrument cover provides a number of hardware
controls. Depending on the fieldbus interface (if applicable), the following controls are
available:
No. Control Function No fieldbus FLOW-BUS /
Modbus
EtherCAT® /
PROFINET
PROFIBUS DP
1. Bus termination switch Bus termination
 
2. Indication LEDs Visual indications
   
3. Rotary switches Node address selection
  
4. Multifunctional switch Starting functions    
5. Service port (micro USB) RS232 communication    
3.7.1 LED indications
The LED indications from the wiring terminal box are redirected to the exterior of the
instrument. On the side of the fluid inlet, directly under the fieldbus connections, the
instrument is equipped with 3 LED indicators:
Indication Color Position Description
Status
•
/
•
(bi-color; green/red)
Left interface status
Mode
•
(green)
Middle operational mode
Error
•
(red)
Right error/warning messages
The tables below list the different LED indications:
•
Mode
Pattern Time Indication
off continuous Power-off or program not running
on continuous Normal operation mode
short flash 0.1 sec on,
2 sec off
No bus communication, valves are in safe state
blink 0.2 sec on,
0.2 sec off
Special function mode; the instrument is busy performing a special function (e.g.
auto-zero or self-test)
long flash 2 sec on,
0.1 sec off
Configuration mode; the baud rate and bus type for the Main terminal are set to
38400 and RS232 FLOW-BUS (ProPar) respectively