M1 File - Input/Status Bt Buffer Layout (M1:E.100; M1 File - Btr/Btw Error Codes (M1:E.103 - Allen-Bradley 1747-SN User Manual

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M1 File - Input/Status BT Buffer Layout (M1:e.100 ... M1:e.3200)
BT Status Buffer Function
Status Flags - Refer to the status
flags table on the following page.
Actual Length Status- Number of
words that were transferred during BT.
Logical Address Status - logical rack,
group, and slot
Block Transfer error code - Refer to
the Error Codes table below.
Reserved
BTR Data Locations 0 through 63
M1 File - BTR/BTW Error Codes (M1:e.103 ... M1:e.3203)
Error Code
- 0
- 6
- 7
- 8
- 9
- 10
- 11
- 12
RIO Block Transfer
M1 Address
M0 Address for
where x = buffer
BT buffer 1
# from 1 to 32
M1:e.x00
M1:e.100
M1:e.x01
M1:e.101
M1:e.x02
M1:e.102
M1:e.x03
M1:e.103
M1:e.x04 through
M1:e.104 through
M1:e.x09
M1:e.109
M1:e.x10 through
M1:e.110 through
M1:e.x73
M1:e.173
Description
The BT completed successfully.
Illegal BT length requested.
BT communication error occurred when BT request was initiated.
Error in BT protocol.
BT timeout - either the SLC user program cancelled the BT or the
scanner's BT timer timed out. Note that a timeout error will occur if a
BT is attempted at a location that is not configured for BT operation
(e.g., requesting a BT for a location that is an output module).
No RIO channel configured.
Attempted a BT either to a non configured BT Device (i.e., an invalid
logical rack, group, or slot), or at a complementary device location
where there is no corresponding primary image space allocated.
Attempted a BT to an inhibited device.
5–11
...M0 Address for
BT buffer 32
...M1:e.3200
...M1:e.3201
...M1:e.3202
...M1:e.3203
...M1:e.3204
through
M1:e.3209
...M1:e.3210
through
M1:e.3273
Publication 1747 6.6 - July 1996

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