Information
●
For loop topology, automatic termination is performed as soon as the AUMATIC
is connected to the power supply.
●
In case of a power outage of the AUMATIC, the two RS-485 loop segments will
be automatically connected so that the actuators following these segments re-
main available.
●
When using a SIMA master station, a redundant loop topology may be estab-
lished.
Connect fieldbus cables:
1. Connect fieldbus cables.
2. If the actuator is the final device in the fieldbus segment (line topology only):
2.1 Connect termination resistor for channel 1 through linking the terminals
31 - 33 and 32 - 34 (standard)
2.2 For AUMA redundancy I or II: Connect termination resistor for channel 2
through linking the terminals 35 - 37 and 36 - 38.
5.4.4. Terminal compartment: close
Figure 40: Close terminal compartment
[1] Cover (illustration shows KT version in type of protection Ex e)
[2] Screws for cover
[3] O-ring
[4] Blanking plug
[5] Cable gland
[6] KT-Ex e connection frame
1. Clean sealing faces of cover [1] and connection frame [6].
2. For design in flameproof enclosure (Ex d): Preserve joint surfaces with an acid-
free corrosion protection agent.
3. Check whether O-ring [3] is in good condition, replace if damaged.
4. Apply a thin film of non-acidic grease (e.g. petroleum jelly) to the O-ring and
insert it correctly.
42
SAVEx 07.2 – SAVEx 16.2 / SARVEx 07.2 – SARVEx 16.2 Control unit: electronic (MWG)
Electrical connection ACVExC 01.2 Non-Intrusive Modbus RTU
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