### Metrolog Interface

The Metrolog interface is used with Metrologic controllers. PC-DMIS has two modes of driving the Metrologic controller.

- The first mode is executed through a Metrologic supplied MTDIAL.DLL file. This DLL requires a separate port lock available only from Metrologic. In this mode PC-DMIS calls functions in the MTDIAL.DLL in order to drive the CMM. All vol comp is also taken care of inside the DLL. The DLL talks to the designated Comm port and communicates directly with the CMM.

- The second mode of driving the Metrologic controller is direct through the Comm port bypassing the MTDIAL.DLL altogether. In this mode, there is no separate port lock needed from Metrologic. PC-DMIS will talk directly to the controller through the designated Comm port. Vol comp is provided in three formats 1) the DEA Tutor format, 2) the Wcompens32.dll format. 3) the BNS comp.dat format. Options one and two are typically what are used on a DEA controller machine. Option 3 is typically what is used on an Excel CMM. The only reason for using the first mode is to take advantage of the Metrologic supplied vol comp that might already be on an existing CMM.

Before starting PC-DMIS, rename the metrolog.dll to interfac.dll.

The Machine Option dialog box has three tabs for the Metrolog interface:

Comm tab

See the "Setting the Communication Protocol" topic. Default value is Comm Port 1, 9600 Baud, Even parity, 8 data bits, and 1 stop bit.

Axis tab

See the "Assigning the Machine Axes" topic.

Debug tab

See the "Generating a Debug File" topic.

Note: Additional information for this interface is provided in the Machine Interface Installation Manual (MIIM).