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Optional accessories
Apart from the RTU the following accessories may be necessary and do not ship with the
RTU:
● Battery module
If no power supply is available locally in the area of the station (RTU), you require one or
two battery modules with suitable batteries.
In pure battery operation the use of two battery modules is strongly recommended since
only then is interrupt-free operation and full use of the battery capacity possible.
The battery modules are available as accessories, refer to the appendix Battery module
(Page 275).
● Battery expansion modules
To increase the capacity of the battery modules, you can add one or two battery
expansion modules to the standard battery module. The battery expansion modules are
available as accessories, see appendix Battery module and battery expansion module
(Page 275).
● Protective housing
With higher requirements for the protection of the RTU, you require a suitable protective
housing.
Two suitable protective housings are available in the accessories program of the RTU,
see appendix Aluminum protective housing (Page 288).
● SD card
For the "Logging" mode you require an SD card.
If you need to replace the RTU, you can also use the SD card to transfer the
configuration data stored on the RTU being replaced to the new device. Every change to
the configuration data is saved on a plugged in SD card.
You can also use the SD card to copy the configuration data of an RTU to other RTUs.
This is particularly useful in large projects with many stations because only the station-
specific data needs to be adapted for each RTU.
You will find information on using the SD card in the section Slots for SIM card and SD
card (Page 48).
Note
Operation with SD card
It is strongly recommended that you only operate the RTU with an SD card, in particular
because an SD card is required in the following situations:
• Logging if an error occurs
• Upgrading the firmware version
Master station / communications partners
To use the ST7, DNP3 or IEC protocols you require the relevant firmware variant for the
RTU, see section Communications services (Page 23).
RTU3030C
Operating Instructions, 09/2017, C79000-G8976-C382-04
1.10 Scope of delivery, accessories, requirements
Application and functions
35
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