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XCATM5X: Caterpillar CCM/M5X Protocol Driver v10.0


XCATM5X: Caterpillar CCM/M5X Protocol Driver

General Information:


The XCATM5X driver allows you to connect to the Caterpillar's Customer Communication Modules (CCM) which uses the M5X protocol to transfer parameter's data via a standard RS-232C serial data link. The CCM provides the communication link between the host PC and the engine or the generator set.

COM port factory default settings for the CCM unit are 9600, N, 8, 1.

This driver does not support broadcast lists. Stable parameters should be requested less frequently in order to optimize data transfer. This will minimize communication loading. Some examples of stable parameters include the following items: hourmeters, atmospheric pressure, temperatures and diagnostics. Parameters that are more dynamic such as engine speed and oil pressure can be requested more frequently.

Do not attempt to read or write parameters until you are sure that the appropriate security level (Log In) has been established.

It might be necessary to set the CommT3Delay argument to 1000 ms to separate each command sent to the same CCM unit. According to the Caterpillar Operation and Maintenance Manual, Customer Communication Module (CCM) for Diesel Engines, a parameter cannot be read or sent until one second has elapsed and/or a reply from CCM has been received from previous request. Use the CommT3Delay argument in case you see that you are getting a response to the first request and the next request does not get a response from the CCM.

Also check setting extra carriage return charactes at the beginning of each message transmitted if you cannot get any reply from your units. We have found that in might be necessary to add up to two 0x0D characters in order to gain the device's attention.


Available Commands:



Supported Devices:

(This list is only indicative and may exist other unlisted equipment that are also communicable with this driver).


This driver includes:



Available Downloads:



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