3-40
MVS-8000 System
SYSTEM SETUP
3-7. Tally Setup
1-128 means each source number. It’s assignable, but the default is the same as MVS source number
specified in COMPACT MODE. If it’s tallied, the bit is “1”. If it’s not tallied, it’s “0”.
Status bit shows if the data is all “0” or not.
If it’s all “0”, the status bit is “0”. If it’s not all “0”, it’s “1”. This is to minimize the data length.
For example:
If only sources #100 and #72 are tallied:
STATUS(U) bit 7: 0
6: 0
5: 0
4: 1
3: 0
2: 0
1: 0
0: 1
Then, the following bytes are only STATUS(U) bit 4 data (97-104) and bit 0 data (65-72) as follows:
byte6 MSB 7: 104
6: 103
5: 102
4: 101
3: 100
2: 99
1: 98
LSB 0: 97
byte7 MSB 7: 72
6: 71
5: 70
4: 69
3: 68
2: 67
1: 66
LSB 0: 65
The serial tally information is sent whenever the status is changed. (There is no READ command.)
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