Printed in Slovenia
•
Subject to change without notice
•
Version 02 / sep. 2005
•
EK 22.495.250
4
TROUBLE SHOOTING
4.1
MI485
If communication with the measuring instruments cannot be established, check the following:
•
Is the interface connected to power supply? Is Power LED illuminated?
•
Is the interface correctly connected with the PC? Is the right COM port selected?
•
How is RS485 communication between the interface and the instruments connected?
•
Are different addresses and equal communication rate set on the RS485 net for the instruments?
•
Try to establish communication with the instruments by means of the MiNet program
•
If communication rate of 115200 bitov/s is set, try to select a smaller rate, e.g. 57600 bits/s.
4.2
MI486 AND MI488
If communication with the measuring instruments cannot be established, check the following:
•
Is the interface connected to power supply? Is Power LED illuminated?
•
Is the interface connected to the ethernet network
•
How is RS232 communication between the interface and the instrument connected?
•
How is RS485 communication between the interface and the instruments connected?
•
Are different addresses and equal communication rate set on the RS485 net for the instruments?
•
Are the right IP address and a local port set?
•
How is the Com Port Redirector program set? Is the local port number smaller for 11000?
•
If communication rate of 115200 bits/s is set, try to choose a smaller rate, e.g. 57600 bits/s.
