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| author | fishsoupisgood <github@madingley.org> | 2020-09-09 11:53:37 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2020-09-09 11:53:37 +0100 |
| commit | 9d87c925a9eaa4fc256be3173c14a20d1469472d (patch) | |
| tree | 50d63f87a47a0eac3f5b8058850184bcd4e6ee95 /radiator-plc/DOCS/valve_wiring.txt | |
| parent | dafd8cf2fdcdd637cc06f760d318cf8391b1a294 (diff) | |
| download | heating-9d87c925a9eaa4fc256be3173c14a20d1469472d.tar.gz heating-9d87c925a9eaa4fc256be3173c14a20d1469472d.tar.bz2 heating-9d87c925a9eaa4fc256be3173c14a20d1469472d.zip | |
everything, mostly, working
Diffstat (limited to 'radiator-plc/DOCS/valve_wiring.txt')
| -rw-r--r-- | radiator-plc/DOCS/valve_wiring.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/radiator-plc/DOCS/valve_wiring.txt b/radiator-plc/DOCS/valve_wiring.txt new file mode 100644 index 0000000..882aa63 --- /dev/null +++ b/radiator-plc/DOCS/valve_wiring.txt @@ -0,0 +1,15 @@ +Pin numbers on RJ45 and DB-9 are the same + +1 or/w 1 wire bus +2 or GND +3 g/w uSwitch (short to gound to indicate valve open) +4 bl 5V +5 bl/w 24V +6 g uSwitch +7 br/w coil - plc pulls to ground to open valve +8 br coil + +(doubling up is to make wirign in plc neater) + + + |