SCH2 Technical Manual TSP016.doc Issue 3.0 – January 2005
Money Controls 2005. All rights reserved.
Page 37 of 61
Header 216: Request data storage availability
Transmitted data : <none>
Received data : [ memory type ] [ read blocks ] [ read bytes per block ]
[ write blocks ] [ write bytes per block ]
[ memory type ] = 2, permanent ( limited use )
[ read blocks ] = 4
[ read bytes per block ] = 8
[ write blocks ] = 3
[ write bytes per block ] = 8
In other words, 32 bytes of NV Memory are available for reading, 24 bytes for writing,
accessed 8 bytes at a time.
Refer to Appendix D for details of the memory map.
Header 215: Read data block
Transmitted data : [ block number ]
Received data : [ data 1 ] [ data 2 ]… [ data 8 ]
[ block number ]
0 to 3
Provides read access to the NV Memory.
Refer to Appendix D for details of the memory map.
Header 214: Write data block
Transmitted data : [ block number ] [ data 1 ] [ data 2 ]… [ data 8 ]
Received data : ACK
[ block number ]
0 to 2
Provides write access to the NV Memory.
Refer to Appendix D for details of the memory map.
Header 192: Request build code
Transmitted data : <none>
Received data : 8 x ASCII chars
The build code is determined automatically by the hopper during initialisation. It is assumed
any build options do not change while power remains on the unit, otherwise a software reset
needs to be issued.
‘Lev HiLo’ for high and low level sensor fitted
‘Lev Hi ’ for high level sensor only fitted
‘Lev Lo’ for low level sensor only fitted
‘Standard’ for standard model, no extras ( as per SCH1 )
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