Differences

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--- ess:ess_mode_2_and_3 [2023-02-14 15:25] – mvader
+++ ess:ess_mode_2_and_3 [2024-10-14 15:20] (current) – [2.1 Available control points] iburger
@@ Line 42: / Line 42: @@
 ==== 2.1 Available control points ====
-=== a) Grid power setpoint - Modbus-TCP register 2700 ===
+Please note that the power setpoint register changed in Venus 3.50. Prior to Venus 3.50, the power setpoint would be written to register 2700 or 2703 instead. While this is still supported, it is recommended that future implementations use the 32-bit setting at registers 2716 and 2717 to avoid constantly logging the new setpoint to VRM, and wearing the flash on the GX-device with repeated writes.
+=== a) Grid power setpoint - Modbus-TCP register 2716  ===
+For venus versions before 3.50, use register 2700 instead.
   * Positive: take power from grid.
   * Negative: send power to grid.
-  * Default: 30 W.
+  * Default: 50 W.
-  * This register has range -32768W to 32767W (scale factor=1). Use register 2703 for a larger range (scale factor=0.01).
+  * Note that register 2700 has range of -32768W to 32767W (scale factor=1). On venus versions before v3.50, use register 2703 for a larger range (scale factor=0.01). On Venus 3.50 and later, use register 2716-2717, which is a 32-bit value.
 === b) Enable/Disable charge - Modbus-TCP register 2701 (deprecated in favour of 2705) ===