GN3433EN V7.fm Page 28 Tuesday, June 19, 2007 9:50 AM
4. Click the APPLY button—TAC Data collection may now be accessed from the Action Request menu. NOTE: Unlike the Reprogramming section, the TAC Data Collection requires re-authorization once the technician uses the limited number of exercisable data collections. TAC determines the number of times the technician can use this feature when the authorization password is generated.
1000/2000 Setup and 3000/4000 Setup Tabs
The 1000/2000 and 3000/4000 (4th Gen) Data Setup tabs allow you to individually select the transmission data parameters to be requested from an Allison 4th Generation Controls system and, consequently, displayed on Allison DOC™. The selected data is assigned to Data Packet Identifiers (DPIDs), which are identified by an F (e.g. FE, F9, etc.). A configuration may be saved for future use. Limiting the amount of data to request from a TCM greatly increases the rate of data refresh. In other words, the fewer transmission data parameters you configure the tool to request, the faster the TCM will be able to send those parameters to the tool. This is particularly important when the user needs to closely monitor certain transmission parameters at higher rates. On all 4th Generation screens and reports, data that is not being requested by DPID configuration is displayed as “Not Available.” In the graphics monitor, controls associated with unavailable data are disabled. In the selection dialogs for the custom data monitor, Excel export and strip chart parameters that are unavailable will not be displayed for selection. Anatomy of a DPID A DPID contains one or more Parameter Identifiers (PID). A PID identifies a specific transmission data parameter. The PID description is the designated name of the PID. The PID size indicates how many bytes the PID uses. A DPID can only hold up to seven bytes of data. A two-character ID, starting with an F, identifies a DPID. Fifteen DPIDs are available: FE, FD, FC, FB, FA, F9, F8, F7, F6, F5, F4, F3, F2, F1, and F0. 28
