Operating instructions

Setting Up the ProTalk Module PTQ-MCM ♦ Quantum / Unity Platform
Modbus Communication Module
ProSoft Technology, Inc. Page 55 of 139
April 29, 2008
If there is no response from the module, follow these steps:
1 Verify that the null modem cable is connected properly between your
computer's serial port and the module. A regular serial cable will not work.
2 On computers with more than one serial port, verify that your communication
program is connected to the same port that is connected to the module.
3 If you are still not able to establish a connection, contact ProSoft Technology
for assistance.