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--- energy-meters:et340 [2019-01-21 11:09] – [DISQUS] ictbeheer
+++ energy-meters:et340 [2020-07-13 14:28] – [Option B: Wired connection to CCGX] iburger
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 ====== Energy Meter ET340 manual ======
 {{ :energy-meters:energy_meter_et340_right_.png?nolink&200|}}
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 This document is the manual for the 3 phase max 65A per phase Energy Meter.
-The Energy Meter can be used for four things:
+The Energy Meter can be used to:
   - Grid meter, and used as control input for an [[assistants:ess-assistant|ESS System]] (1).
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   - Direct connection, either using the RS485 to USB interface with 1.8m cable length, or the 5.0m cable.
   - Wireless connection via Zigbee
-Note that this model is not stocked by Victron Energy, we recommend to purchase it locally.
 ===== 2. AC Wiring =====
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 Connect the 12V DC power supply to the Zigbee to RS485 converter. When the power is switched on, check the LEDs again.
+=== note on old and new zigbee converters ===
+Please note that there is a new zigbee converter available now, that is -not- backwards compatible with the old converters. If you have a non compatible set, please ask your supplier for a correct version.
+'old' type:
+ASS300400100 - Zigbee to RS485 converter partnumber: DRF2619C
+ASS300400100 - Zigbee to USB converter   partnumber: DRF2618A
+'new' type:
+ASS300420100 - Zigbee to RS485 converter partnumber: DRF2659C
+ASS300420200 - Zigbee to USB converter   partnumber: DRF2658C
+== note on GX firmware versions: ==
+for the new type Zigbee converters, Venus OS v2.54 is the minimum required software version
 ==== Option B: Wired connection to CCGX ====
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 The red, green and brown wire coming out of the USB to RS485 cable are not used.
+== Note on bus termination ==
+RS485 networks are traditionally terminated at both ends with 120Ω terminators. This is not required if the cable length is short, but may be required for longer cable runs. The ET340 meter has a built in termination resistor that can be enabled by bridging terminals 7 and 9.
 ===== 3. Configuration =====
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 {{ :energy-meters:em340_settings_detail.png?nolink |}}
-==== 4. Multiple Energy Meters in one system ====
+===== 4. Multiple Energy Meters in one system =====
 To connect multiple Energy Meters, wire each meter to a separate RS485-USB converter. Which are then each plugged into a separate USB socket on the CCGX.
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 Connecting multiple ET340 meters to the same RS485-USB cable is not possible: the ET340 meter has no display and its Modbus address can therefor not be changed.
+===== DISQUS =====
+~~DISQUS~~