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Installation

4
Installation
Improper installation
CAUTION
Improper installation can cause serious or minor injuries and damage the module.
Installation must be performed only by fully qualified personnel.
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4.1
Dangerous voltage
Electric shock could kill or seriously injure.
DANGER
All electrical connections must be performed by a fully qualified electrician.
Ensure that the mains voltage matches the voltage marked on the nameplate!
Ensure that the device is provided with its own power supply line and electric fuse!
Switch on the power supply only after the wiring of the device has been completely
CAUTION
performed.
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The electrical connections are shown in Fig. 4.1 and 4.2, the terminal assign-
ments in Table 4.1.
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Connect the power supply to the terminals 24V / 0V.
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The maximum conductor cross-section is 1.5 mm².
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NOTICE
Signal cables should be routed separately or screened from the supply cables.
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NOTICE
Only a shielded cable may be used for signal lines.
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Connect the RS485 lines to the terminals D+ / D-
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Twisted pair cable should be used for the connection to the RS485 interface
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Maximal cable length is 1200 m
4.1.1
Data stored in permanent memory can be lost because of strong electromagnetic inter-
ference.
Use the jumper X1 (Hardware write-protection) to avoid data loss.
Proceed as follows:
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Turn off the device
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Open the front cover (see Fig. 4.1)
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Set the jumper X1.
Notice:
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to change the configuration parameters, the jumper X1 must be removed again.
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de
The module is intended to be mounted on a DIN-rail or on a wall. For the dimen-
sion drawings see Appendix A.
Install the module in a cabinet with clean, dry and controlled environment. For fur-
ther details see 2.1.
The module is designed for natural convection cooling. It should be taken into ac-
count when choosing the installation site.

Wiring

Hardware write protection

5