M1: Difference between revisions

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{| class='wikitable'
{| class='wikitable'
|-
|-
! TD !! Address !! bit !! Meaning when '1' !! Observed by
! TD !! Address !! bit !! Meaning when '1'
|-
|-
| M1 || 00 || 0 || LL1577 (Position light ground signal.) off.|| Phil Wieland
| M1 || 00 || 0 || LL1577 (Position light ground signal.) off.
|-
|-
| M1 || 00 || 1 || LL3572 off. || Phil Wieland
| M1 || 00 || 1 || LL3572 off.
|-
|-
| M1 || 00 || 2 || LL3573 off. || Phil Wieland
| M1 || 00 || 2 || LL3573 off.
|-
|-
| M1 || 00 || 3 || LL3574 off. || Phil Wieland
| M1 || 00 || 3 || LL3574 off.
|-
|-
| M1 || 00 || 4 || LL3575 off. || Phil Wieland
| M1 || 00 || 4 || LL3575 off.
|-
|-
| M1 || 00 || 5 || LL3576 off. || Phil Wieland
| M1 || 00 || 5 || LL3576 off.
|-
|-
| M1 || 00 || 6 || LL3577 off. || Phil Wieland
| M1 || 00 || 6 || LL3577 off.
|-
|-
| M1 || 00 || 7 || LL3578 off. || Phil Wieland
| M1 || 00 || 7 || LL3578 off.
|-
|-
| M1 || 01 || 0 || LL3579 off. || Phil Wieland
| M1 || 01 || 0 || LL3579 off.
|-
|-
| M1 || 01 || 1 || LL3580 off. || Phil Wieland
| M1 || 01 || 1 || LL3580 off.
|-
|-
| M1 || 01 || 2 || LL3581 off. || Phil Wieland
| M1 || 01 || 2 || LL3581 off.
|-
|-
| M1 || 01 || 3 || LL3582 off. || Phil Wieland
| M1 || 01 || 3 || LL3582 off.
|-
|-
| M1 || 01 || 4 || LL3584 off. || Phil Wieland
| M1 || 01 || 4 || LL3584 off.
|-
|-
| M1 || 01 || 5 || LL3585 off. || Phil Wieland
| M1 || 01 || 5 || LL3585 off.
|-
|-
| M1 || 01 || 6 || LL3586 off. || Phil Wieland
| M1 || 01 || 6 || LL3586 off.
|-
|-
| M1 || 01 || 7 || LL3587 off. || Phil Wieland
| M1 || 01 || 7 || LL3587 off.
|-
|-
| M1 || 02 || 0 || LL3590 off. || Phil Wieland
| M1 || 02 || 0 || LL3590 off.
|-
|-
| M1 || 02 || 1 || LL3591 off. || Phil Wieland
| M1 || 02 || 1 || LL3591 off.
|-
|-
| M1 || 02 || 2 || LL3592 off. || Phil Wieland
| M1 || 02 || 2 || LL3592 off.
|-
|-
| M1 || 02 || 3 || LL3593 off. || Phil Wieland
| M1 || 02 || 3 || LL3593 off.
|-
|-
| M1 || 02 || 4 || LL3739 off. || Phil Wieland
| M1 || 02 || 4 || LL3739 off.
|-
|-
| M1 || 02 || 5 || LL3745 off. || Phil Wieland
| M1 || 02 || 5 || LL3745 off.
|-
|-
| M1 || 02 || 6 || LL3746 off. || Phil Wieland
| M1 || 02 || 6 || LL3746 off.
|-
|-
| M1 || 02 || 7 || LL3749 off. || Phil Wieland
| M1 || 02 || 7 || LL3749 off.
|-
|-
| M1 || 03 || 0 || LL3750 off. || Phil Wieland
| M1 || 03 || 0 || LL3750 off.
|-
|-
| M1 || 03 || 1 || LL3754 off. || Phil Wieland
| M1 || 03 || 1 || LL3754 off.
|-
|-
| M1 || 03 || 2 || LL3755 off. || Phil Wieland
| M1 || 03 || 2 || LL3755 off.
|-
|-
| M1 || 03 || 3 || LL5579 off. || Phil Wieland
| M1 || 03 || 3 || LL5579 off.
|-
|-
| M1 || 03 || 4 || LL5583 off. || Phil Wieland
| M1 || 03 || 4 || LL5583 off.
|-
|-
| M1 || 03 || 5 || LL9588 off. || Phil Wieland
| M1 || 03 || 5 || LL9588 off.
|-
|-
| M1 || 03 || 6 || Not seen. || Phil Wieland
| M1 || 03 || 6 || Unused.
|-
|-
| M1 || 03 || 7 || Not seen. || Phil Wieland
| M1 || 03 || 7 || LL5580 off.
|-
|-
| M1 || 04 || 0 || Not seen. || Phil Wieland
| M1 || 04 || 0 || LL5582 off.
|-
|-
| M1 || 04 || 1 || Not seen. || Phil Wieland
| M1 || 04 || 1 || Unused.
|-
|-
| M1 || 04 || 2 || Not seen. || Phil Wieland
| M1 || 04 || 2 || Unused.
|-
|-
| M1 || 04 || 3 || Not seen. || Phil Wieland
| M1 || 04 || 3 || Unused.
|-
|-
| M1 || 04 || 4 || Not seen. || Phil Wieland
| M1 || 04 || 4 || Unused.
|-
|-
| M1 || 04 || 5 || Not seen. || Phil Wieland
| M1 || 04 || 5 || Unused.
|-
|-
| M1 || 04 || 6 || Not seen. || Phil Wieland
| M1 || 04 || 6 || Unused.
|-
|-
| M1 || 04 || 7 || Not seen. || Phil Wieland
| M1 || 04 || 7 || Unused.
|-
|-
| M1 || 05 || 0 || Unidentified.  Seen to change.  Stays at 1 during normal ops. || Phil Wieland
| M1 || 05 || 0 || Route set LL3572 to WN589.
|-
|-
| M1 || 05 || 1 || Unidentified.  Seen to change.  Stays at 1 during normal ops. || Phil Wieland
| M1 || 05 || 1 || Route set LL3573 to LL5375.
|-
|-
| M1 || 05 || 2 || Route set LL3585 to LL3587 Down Chat Moss to Huyton P1. || Phil Wieland
| M1 || 05 || 2 || Route set LL3585 to LL3587 Down Chat Moss to Huyton P1.
|-
|-
| M1 || 05 || 3 || Route set LL3585 to LL5579 Down Chat Moss to Huyton P2. || Phil Wieland
| M1 || 05 || 3 || Route set LL3585 to LL5579 Down Chat Moss to Huyton P2.
|-
|-
| M1 || 05 || 4 || Route set LL3586 to LL3754 Huyton P3 to Up St Helens. || Phil Wieland
| M1 || 05 || 4 || Unused.
|-
|-
| M1 || 05 || 5 || Route set LL3586 to LL3584 Huyton P3 to Up Chat Moss. || Phil Wieland
| M1 || 05 || 5 || Unused.
|-
|-
| M1 || 05 || 6 || Unidentified. Seen to change.  Stays at 1 during normal ops. || Phil Wieland
| M1 || 05 || 6 || Unused.
|-
|-
| M1 || 05 || 7 || Route set LL3591 to LL3593 Roby P1 towards Liverpool || Phil Wieland
| M1 || 05 || 7 || Route set LL3591 to LL3593 Roby P1 towards Liverpool.
|-
|-
| M1 || 06 || 0 || Unidentified. Seems to relate to bits 02 0 and 02 2 but it's not LL3590BR because I have seen it off when 3590 is on.  || Phil Wieland
| M1 || 06 || 0 || Unused.
|-
|-
| M1 || 06 || 1 || Route set LL3755 to LL5579 Down St Helens to Huyton P2 || Phil Wieland
| M1 || 06 || 1 || Route set LL3755 to LL5579 Down St Helens to Huyton P2.
|-
|-
| M1 || 06 || 2 || Route set LL3755 to LL9591 Down St Helens to Huyton P3. || Phil Wieland
| M1 || 06 || 2 || Route set LL3755 to LL9593 Down St Helens to Huyton P4.
|-
|-
| M1 || 06 || 3 || Route set LL5583 to LL3593 Roby P2 towards Liverpool || Phil Wieland
| M1 || 06 || 3 || Route set LL5583 to LL3593 Roby P2 towards Liverpool.
|-
|-
| M1 || 06 || 4 || Route set LL9588 to LL3584 Huyton P2 to Up Chat Moss.|| Phil Wieland
| M1 || 06 || 4 || Route set LL9588 to LL3584 Huyton P2 to Up Chat Moss.
|-
|-
| M1 || 06 || 5 || Not seen. || Phil Wieland
| M1 || 06 || 5 || Route set LL3586 to LL3584 Huyton P3 to Up Chat Moss.
|-
|-
| M1 || 06 || 6 || Not seen. || Phil Wieland
| M1 || 06 || 6 || Route set LL3592 to LL5582 Up Chat Moss to Roby P4.
|-
|-
| M1 || 06 || 7 || Not seen. || Phil Wieland
| M1 || 06 || 7 || Route set LL3592 to LL3590 Up Chat Moss to Roby P3.
|-
|-
| M1 || 07 || 0 || Not seen. || Phil Wieland
| M1 || 07 || 0 || Route set LL5580 to LL3574 Huyton P4 to Up St Helens.
|-
|-
| M1 || 07 || 1 || Not seen. || Phil Wieland
| M1 || 07 || 1 || Route set LL5580 to LL3584 Huyton P4 to Up Chat Moss.
|-
|-
| M1 || 07 || 2 || Not seen. || Phil Wieland
| M1 || 07 || 2 || Route set LL5582 to LL5580 Roby P4 to Huyton P4.
|-
|-
| M1 || 07 || 3 || Not seen. || Phil Wieland
| M1 || 07 || 3 || Unused.
|-
|-
| M1 || 07 || 4 || Not seen. || Phil Wieland
| M1 || 07 || 4 || Unused.
|-
|-
| M1 || 07 || 5 || Not seen. || Phil Wieland
| M1 || 07 || 5 || Unused.
|-
|-
| M1 || 07 || 6 || Not seen. || Phil Wieland
| M1 || 07 || 6 || Unused.
|-
|-
| M1 || 07 || 7 || Not seen. || Phil Wieland
| M1 || 07 || 7 || Unused.
|-
| M1 || ?? || ? || Not yet seen.  Route set LL1577 to Huyton P2. || Phil Wieland
|-
| M1 || ?? || ? || Not yet seen.  Route set LL1577 to Huyton P3. || Phil Wieland
|}
|}


Note - In the absence of confirmation of how signalling engineers number the bits, this list uses bit 0 for the LSB to bit 7 for the MSB of each byte.
Note - In the absence of confirmation of how signalling engineers number the bits, this list uses bit 0 for the LSB to bit 7 for the MSB of each byte.


"Not seen" indicates a bit which has always been 0.
"Unused" indicates a bit which has always been 0.


For a signal "Off" means any proceed indication.
For a signal "Off" means any proceed indication.

Latest revision as of 19:13, 2 November 2019

TD Address bit Meaning when '1'
M1 00 0 LL1577 (Position light ground signal.) off.
M1 00 1 LL3572 off.
M1 00 2 LL3573 off.
M1 00 3 LL3574 off.
M1 00 4 LL3575 off.
M1 00 5 LL3576 off.
M1 00 6 LL3577 off.
M1 00 7 LL3578 off.
M1 01 0 LL3579 off.
M1 01 1 LL3580 off.
M1 01 2 LL3581 off.
M1 01 3 LL3582 off.
M1 01 4 LL3584 off.
M1 01 5 LL3585 off.
M1 01 6 LL3586 off.
M1 01 7 LL3587 off.
M1 02 0 LL3590 off.
M1 02 1 LL3591 off.
M1 02 2 LL3592 off.
M1 02 3 LL3593 off.
M1 02 4 LL3739 off.
M1 02 5 LL3745 off.
M1 02 6 LL3746 off.
M1 02 7 LL3749 off.
M1 03 0 LL3750 off.
M1 03 1 LL3754 off.
M1 03 2 LL3755 off.
M1 03 3 LL5579 off.
M1 03 4 LL5583 off.
M1 03 5 LL9588 off.
M1 03 6 Unused.
M1 03 7 LL5580 off.
M1 04 0 LL5582 off.
M1 04 1 Unused.
M1 04 2 Unused.
M1 04 3 Unused.
M1 04 4 Unused.
M1 04 5 Unused.
M1 04 6 Unused.
M1 04 7 Unused.
M1 05 0 Route set LL3572 to WN589.
M1 05 1 Route set LL3573 to LL5375.
M1 05 2 Route set LL3585 to LL3587 Down Chat Moss to Huyton P1.
M1 05 3 Route set LL3585 to LL5579 Down Chat Moss to Huyton P2.
M1 05 4 Unused.
M1 05 5 Unused.
M1 05 6 Unused.
M1 05 7 Route set LL3591 to LL3593 Roby P1 towards Liverpool.
M1 06 0 Unused.
M1 06 1 Route set LL3755 to LL5579 Down St Helens to Huyton P2.
M1 06 2 Route set LL3755 to LL9593 Down St Helens to Huyton P4.
M1 06 3 Route set LL5583 to LL3593 Roby P2 towards Liverpool.
M1 06 4 Route set LL9588 to LL3584 Huyton P2 to Up Chat Moss.
M1 06 5 Route set LL3586 to LL3584 Huyton P3 to Up Chat Moss.
M1 06 6 Route set LL3592 to LL5582 Up Chat Moss to Roby P4.
M1 06 7 Route set LL3592 to LL3590 Up Chat Moss to Roby P3.
M1 07 0 Route set LL5580 to LL3574 Huyton P4 to Up St Helens.
M1 07 1 Route set LL5580 to LL3584 Huyton P4 to Up Chat Moss.
M1 07 2 Route set LL5582 to LL5580 Roby P4 to Huyton P4.
M1 07 3 Unused.
M1 07 4 Unused.
M1 07 5 Unused.
M1 07 6 Unused.
M1 07 7 Unused.

Note - In the absence of confirmation of how signalling engineers number the bits, this list uses bit 0 for the LSB to bit 7 for the MSB of each byte.

"Unused" indicates a bit which has always been 0.

For a signal "Off" means any proceed indication.


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