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Fig. 12 - FieldLogger
front panel
FieldLogger
has two rows of terminals for diverse connections; among them are the following items: Ethernet, input
connections, power supply, output relays, auxiliary power supply output, digital inputs and serial communication. This
information is identified in the box of
FieldLogger
according to
Fig.
13
and
Fig.
14:
Fig. 13
- Upper side connections for standard and 24 V models
NOTES:
1) An external protection device consisting of a 0.5 A slow blow fuse (UL Listed) must be wired near to the
FieldLogger
.
2) A switch or circuit-breaker placed near to the
FieldLogger
shall be used as the disconnecting device
.
Fig. 14
- Lower side connections
RECOMMENDATIONS FOR INSTALLATION
•
Input signal leads must be installed in grounded conduits and away from power or contactor wires.
•
Instruments must be powered only by an exclusive power supply.
•
Installing RC filters (47
Ω
and 100 nF, serial) is strongly recommended at contactor coils or any other inductors.
•
System failure should always be taken into account when designing a control panel to avoid irreversible damage to
equipment or injury to people. The RL1 and RL2 output relays, used as alarms, do not warrant total protection.
•
Wires section: minimum gauge 0.14 mm².
