Connecting The Smartlogger To A Split Emi - Huawei SmartLogger1000 User Manual

SmartLogger1000
User Manual
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Follow-up Procedure
Take the reverse steps to disconnect the SmartLogger from the EMI.

4.5.3 Connecting the SmartLogger to a Split EMI

The EMI used in Europe and Southeast Asia is composed of sensors, whose signals need to be
converted into RS485 signals (Modbus-RTU) over an extra analog-to-digital converter before
the sensors are connected to the SmartLogger.
The analog-to-digital converter should provide an RS485 port and support the standard
Modbus-RTU protocol. This section describes the connection between the SmartLogger and a
split EMI through the ADAM4117 that functions as an analog-to-digital converter.
There are three RS485 ports in the SmartLogger. For the port descriptions, see Context in
4.4.1 Connecting the SmartLogger to the
Figure 4-23
SPD and analog-to-digital converter.
Figure 4-23 Connecting the SmartLogger to a split EMI (1)
Step 1 Prepare a cable with an appropriate length, strip a proper part of the insulation layer from one
end, and connect the end to the port on the analog-to-digital converter.
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Step 2 Remove an appropriate length of the steel armor and wire insulation layer from the other end
of the cable using a wire stripper, as shown in
Issue 12 (2019-01-15)
shows how to connect the SmartLogger to a split EMI through an RS485 signal
The DJYP2VP2-22 2x2x1 computer cable or a communications cable with a conductor
cross-sectional area of 1 mm
For detailed operations, see the document delivered with the analog-to-digital converter.
Copyright © Huawei Technologies Co., Ltd.
SUN2000.
2
and outer diameter of 14–18 mm is recommended.
Figure 4-24.
4 Electrical Connections
43