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The Cool Muscle supports communications via a RS-485 type half duplex communications protocol. The actual physical interface still utilizes the regular voltage levels and serial interface hardware, but utilizing an RS-485 style half duplex communications.
In RS-485 mode, when the motor has a message to communicate it will stream a {# where # is its motor ID number. When the motor receives this same command back to acknowledge the request it will then transmit its message followed by {0 to close communications. Parameter K62 will determine whether the motor is communicating in RS-485 mode and what the node ID is. If K62=0, RS-485 mode is off, otherwise that is the node ID of the motor.
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Disabling RS-485It is not unusual for someone to accidentally set the motor to RS-485 mode and become confused when the motor will only stream out a series of “{1” and not respond. In this case, the motor is requesting communication access and has something to report. To disable RS-485 and switch back to standard serial communications we must:
The process for doing this is as follows:
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