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Accessories
C.2 Extension Board
RTU303xC
358
Operating Instructions, 06/2019, C79000-G8976-C382-06
Technical specifications - ER 34615M
Fuse against short-circuit
Fuse 5 A
Permitted ambient conditions
Ambient temperature
During operation in the battery
module or battery expansion
module
With the DIN rail installed horizontally:
-40 °C ... +70 °C
With the DIN rail installed vertically:
-40 °C ... +60 °C
During storage and transporta-
tion
Recommended: < +30 °C, dry
Relative humidity
During operation
< 95 %, no condensation
Dimensions and weight
Weight
110 g
Dimensions
•
Diameter
•
Height
•
max. 33.1 mm
•
max. 61.5 mm
Installation options, installation in:
•
Battery module
•
Battery expansion module
•
6NH3112-3BA00-1XX2
•
6NH3112-3BA00-1XX6
C.2
Extension Board
C.2.1
EXTENSION BOARD HART / RS485
Extension board
The following optional extension board is available for the RTU. It is not included in the
scope of delivery of the RTU.
●
EXTENSION BOARD HART / RS485
Modbus RTU sensors can be connected to the extension board via RS-485 or HART
sensors.
The extension board can be used for all RTU models of the RTU3000 product family.
The expansion card makes an interface available to which up to 8 devices can be connected
as slaves via Modbus RTU or HART. In total, up to 16 tags can be read in and managed.
The RTU functions as Modbus master or HART master.