Gasboy Gilbarco Interface Unit - Manual (Page 13)

Gilbarco Interface Unit v2.1 Introduction 5
Gasboy CFN Series
Failure to follow these restrictions may cause unexpected results when operating with multiple
price levels.
Multiple price levels on other Gilbarco pumps
Because irregularities have been found in the interaction of Gilbarco pumps and Gasboy
equipment with two different versions of Gilbarco firmware, and because other versions might
be affected, a test for the problem has been added to the start-up procedure.
If your site will operate with price levels other than 1 and 2, perform the procedure indicated
under Test for multiprice incompatibility, near the end of the next chapter. If your site is adding
price levels and you do not know whether this incompatibility exists, you should also perform
this procedure.
Incompatible pump firmware releases
The following table lists various Gilbarco pump firmware versions that have potential problems
with the Gasboy Gilbarco Interface and the release that corrects the problem.
Loading Master Key
Master Key is factory programmed into Gilbarco GSM units. No field programming is available.
Network Key Parity
Gilbarco GSM enforces DES working key parity. Not all networks provide working keys with
correct parity. The GSM will refuse a working key with incorrect parity.
Contract Prices
Recent versions of Gilbarco pumps incorporate changes that improve Weights and Measures
compliance. A side effect of these changes makes it no longer feasible for us to blank contract
prices from the main price display following a transaction.
If you use contract prices at Gasboy price levels 3, 4, or 5, be advised these prices will
remain on the main display until the pump is started for the next transaction. The Gasboy “Blank
after” parameter no longer has its previous effect.
More than 16 CRINDs
Gasboy’s interface supports only 16 CRINDs per interface. The GSM will support CRINDs only
on the same interface connection. Hence, you will need two interfaces and two GSMs if you
have more than 16 CRINDs.
Pump Affected Versions Corrected Versions
MPD 70.8.0 thru 70.8.2 70.8.3 released 8/96
MPDSH 72.1.7 thru 72.1.9 72.2.10
ASB 75.5.0 thru 75.5.1 75.5.2 released 7/96
AFB 77.4.0 77.4.1 released 7/96
ECAL 84.2.3 thru 84.2.5 84.2.6
B78 75.5.1 75.5.2 released in 7/96
B21 75.8.2 75.8.3 released in 8/96