SSI America Video Gaming Accessories 9200 Manuel D’Utilisation

SSi Manual SERIES 9200

63                                              Programmable Dual-loop

9200 MMI Protocol Register Mapping

July 16, 2004

The 9200 maps the most common parameters to be as compatible as possible to a MMI FDP VER. 3.X

commonly referred as a Dualpro. (Dualpro).  Reads of table 0 blocks 0, 1, 6, 7, and 8 are mapped.  Table

31 block 0 is mapped for probe maintenance data only.  Data is mapped into the Dualpro format only if

there is a reasonable correlation between the 9200 parameters and the Dualpro parameters.  Other values

in these blocks are returned as 0.

The 9200 will return an error message instead of data under the following conditions.

Table number greater than 12, except table 31 block 0.

Block number greater than 9.

Block number greater than 3 except for table 0.

Reads of blocks not mapped or returning an error read the equivalent Modbus registers.  For table zero the

24 words (registers) start at the block number times 24.  Therefore, block 2 would start at Modbus register

48, block 3 at 72, etc.  For tables 1 through 12 the start register of the block is equal to 900 plus the table

number times 100 plus block number times 24.  Tables 1 through 12 access the slave instrument data on

the 9200.

The parameter write command (X) is mapped for seven parameters.

PF1 is mapped to CO factor.

PF2 is mapped to H2 factor.

Ref Num is mapped to ID num.

Setpoint 1 is mapped to Loop 1 Setpoint.

Setpoint 2 is mapped to Loop 2 Setpoint.
Alarm 1 setpoint is mapped to Alarm 1 setpoint.

Alarm 2 setpoint is mapped to Alarm 2 setpoint.

The Program control command (P) should be able to start and stop SSI recipes.