ProComSol, Ltd
HM-USB-ISO User Manual
MAN-1008 7/7/2009
Page 10
Troubleshooting
Verify the following:
1. Com port number in application is the HM-USB-ISO com port number.
2. Loop power supply is on.
3. Loop resistance between 250 ohms and 1Kohms.
4. Loop current within HART limits.
5. If multi drop configuration, all transmitters in loop have unique addresses.
6. HM-USB-ISO HART connections across loop resistor or across transmitter terminals.
7. HM-USB-ISO USB connector seated firmly in PC USB connector.
Warranty
The USB-HM is warranted for 1 year for materials and workmanship. Contact Support at
ProComSol, Ltd if having trouble. An RMA (Return Material Authorization) number
obtained from ProComSol, Ltd is required on all returned items.
Contact Information
ProComSol, Ltd
Process Communications Solutions
13000 Athens Ave.
Suite 104G
Lakewood, OH 44107
USA
Phone: 216.221.1550
Fax:
216.221.1554
Email:
Web:
www.procomsol.com
