Pool Systems Automation: Difference between revisions

@@ Line 425: / Line 425: @@
 NOTE: The flow meter was previously a GF Signet MK515.3P1.  Erratic behavior prompted its replacement in early June 2021.
+=== Power Budget ===
+{| class="wikitable"
+!Item
+!Consumption
+!Comments
+|-
+|EA7-T8C Panel
+|625 mA
+|-
+|Lantronix PremierWave XN
+|94 mA
+|Per the spec sheet, the device consumes 2.25 W @ 30 VDC.  Using the same figure for 24 VDC.
+|-
+|Pressure Tank Sensors (4)
+|80 mA
+|A quantity of 4 x 4-20 mA sensors.
+|-
+|Depth Sensor
+|20 mA
+|A single 4-20 mA sensor.
+|-
+|Flow Meter
+|20 mA
+|A single 4-20 mA sensor.
+|-
+|Digital Inputs (10)
+|85 mA
+|On the PLC base, X0 to X3 consume 13 mA, X4 to X23 consume 8.5 mA.  Assuming ten digital inputs.
+|-
+|Relays (3)
+|112.5 mA
+|Each coil has a nominal resistance of 640 Ohms (37.5 mA @ 24 VDC).
+|-
+|Stack Light
+|50 mA
+|The LME-302L consumes 18 mA per red/yellow and 14 mA for green.
+|-
+|Programmed Stop Button
+|26 mA
+|
+|-
+|Total
+|1,112.5 mA
+|487.5 mA without EA7-T8C
+|}
 === Drawings ===
-Drawings in the automation system package have an FFSC-001 prefix.  Drawings have been updated as of June 24th, 2021 with multiple corrections and as-built updates.  They are still in process and subject to review and change.
+Drawings in the automation system package have an FFSC-001 prefix.  Drawings have been updated as of May 14th, 2022 with multiple corrections and as-built updates.  They are still in process and subject to review and change.
 ==== Panel Layout ====