Wiring Guidelines; Maintenance; Connections Diagram; Safety Precautions - Siemens SMART 7KT Operating Instructions Manual

Wiring Guidelines

1. To prevent the risk of electric shock, power supply to
the equipment must be kept OFF while doing the wiring
arrangement.
2. Wiring shall be done strictly according to the terminal
layout. Confi rm that all connections are correct.
3. Use lugged terminals.
4. To reduce electromagnetic interference use of wires with
adequate ratings and twists of the same in equal size shall
be made with shortest connections.

Maintenance

1. The equipment should be cleaned regularly to avoid
blockage of ventilating parts.
2. Clean the equipment with a clean dry or damp cloth. Do
not use any cleaning agent other than water.

Safety Precautions

All safety related codifi cations, symbols and instructions that
appear in this operating manual or on the equipment must
be strictly followed to ensure the safety of the operating
personnel as well as the instrument.
If the equipment is not used in a manner specifi ed by the
manufacturer it might impair the protection provided by the
equipment.
• Do not use the equipment if there is any mechanical
damage.
• Ensure that the equipment is supplied with correct
voltage.
4
5. Layout of connecting cables shall be away from any
internal EMI source.
6. Cable used for connection to power source, must have a
cross-section of 1mm
2
current carrying capacity of 6A.
7. Copper cable should be used (Stranded or Single core
cable).
L
L1
L2
L3
N
S1 S2 S1 S2
I I 2
1
CAUTION:
1. Read complete instructions prior to installation and
operation of the unit.
2. Risk of electric shock.
3. The equipment in its installed state must not come in
close proximity to any heating sources, oils, steam, caustic
vapors or other unwanted process by products.
to 2.5mm .These wires shall have
2
DI RS485

CONNECTIONS DIAGRAM

V3
S1 S2 V1 V2
N
I 3
L
O
A
D