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LEDs, connectors, buttons, card slots
2.3 Interfaces and connectors
X40 .. X43: Analog inputs
Up to four analog sensors can be connected.
The RTU supports the following output signals:
● Current / voltage (measuring transducer with auxiliary power)
– 0/4 ... 20 mA
– 0 ... 10 V
– 0 ... 5 V
● Temperature, Pt1000 (sensor sensor in 2-wire technology)
-80 ... +140 °C / -112 .. +284 °F
The cable resistances can be specified in the WBM to correct the temperature measured
values. As an alternative, the cable resistances can be calculated on the RTU by
specifying specific table data.
The signal types of the inputs are configured in the WBM of the RTU.
The inputs X41/0 and X41/1 measure at the same time, the inputs X43/0 and X43/1 following
this and one after the other. Refer to the notes in section Analog inputs (Page 155).
The input AI0 can also be monitored for changes in sleep mode.
X1P1: Ethernet interface
X1P1 is the LAN connector of the RTU.
Note
No connection to the Internet
The LAN connector is not suitable for direct connection of the RTU to the Internet. To do this,
an external router with suitable security mechanisms must be connected.
XR1A1 R: Antenna connector
An antenna is connected to the SMA socket if communication via the mobile wireless
network is intended.
X12 BAT IN: Connector for battery module (on the side)
Here, you connect one or two optional battery modules along with up to two battery
expansion modules.
46
Operating Instructions, 09/2017, C79000-G8976-C382-04
RTU3030C
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