Differences

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--- telescope_and_observatory_control [2024/09/05 15:54] – jasonj
+++ telescope_and_observatory_control [2025/05/21 15:20] (current) – holtz
@@ Line 33: / Line 33: @@
 -pin connector J808A : Watchdog (dome box needs +24V or else shutter will close on Automatic)
 | Dome box |         |  Peltec timer | | | |
-| 1        | gnd     |    18   |   15 |   gnd | 15 connects to 18 for ~4 minutes after power is dropped between A1 and A2 |
+| 1        | gnd, white     |    18   |   15 |   gnd | 15 connects to 18 for ~4 minutes after power is dropped between A1 and A2 |
-| 3        | +24V DC |    28   |   25 |  +24V | same for 25 and 18 |
+| 3        | +24V DC, purple |    28   |   25 |  +24V | same for 25 and 18 |
 |          |         |    A1   |   relay 5 | gnd | trigger for relay, must cycle every 3 minutes to keep dome open (but don't leave energized permanently! |
 |          |         |    A2   |  +24V | | same |
@@ Line 42: / Line 42: @@
 connector J805A : Supplies power and ground to box, and relay for dome power (org yel blu wires)
 |J805A pin | 9 pin connector | function | comment |
-| 4 | 4 | +24V | voltage always supplied |
+| 4 | 4 | +24V red | voltage always supplied |
-| 3 | 1 | gnd  | ground always supplied
+| 3 | 1 | gnd white | ground always supplied
 | 2 | 2 |relay 1 grey | trigger connects pin to ground |
 connector J806A : Supplies (redundant?) power and ground to box, and relay for dome direction (brn red grn wires)
 |J806A pin | 9 pin connector| function | comment |
-| 4 | 9 |+24 | voltage always supplied |
+| 4 | 9 |+24 red | voltage always supplied |
-| 3 | 8 | gnd | ground always supplied
+| 3 | 8 | gnd white | ground always supplied
 | 2 | 7 | relay 3 brown | trigger connects pin to ground |
@@ Line 55: / Line 55: @@
 | J807A pin| function | comment |
 | 2 | relay 2 purple | trigger connects pin to ground |
-| 3 | gnd| ground always supplied |
+| 3 | gnd black| ground always supplied |
 | 4 | relay 4 orange | trigger connects pin to ground |
-| 5 | gnd | ground always supplied |
+| 5 | gnd black | ground always supplied |
@@ Line 85: / Line 85: @@
 | grn | +DC   | 4 | red | RPi +5V |
+===== Cabling =====
+  - four-pin AMP to dome box
+  - four-pin AMP to dome box
+  - nine-pin AMP to dome box
+  - four-pin AMP to home sensor
+  - Ethernet cable
+  - power cord for power supply
+  - power cord for Raspberry Pi ?
+  - ground wire
+  - cable for lower dome
 ===== Old setup for relays =====