Page 22 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS A5E33329501
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Connecting
The SITRANS LUT400 is available in AC or DC power models.
1. To wire for power, strip the cable jacket for approximately 70 mm (2.75") from the end
of the cable, and thread the wires through the gland
1
.
2. Connect the wires to the terminals as shown: the polarity is identified below the
terminal block.
3. Ground the device according to local regulations.
Cables
The SITRANS LUT400 is designed to work with two conductor shielded transducer
cables.
1. If cable is routed through conduit, use only approved suitable-size hubs for waterproof
applications.
Notes for AC power connections:
• The equipment must be protected by a 15 A fuse, or circuit breaker on all
current-carrying conductors in the building installation.
• A circuit breaker or switch in the building installation, marked as the disconnect
switch, must be in close proximity to the equipment and within easy reach of the
operator, and must disconnect all current-carrying conductors.
Connection Cable Type
mA output, sync,
Temperature sensor,
discrete input
2 copper conductors, twisted, with shield
a
/drain wire, 300V 0.324 -
0.823 mm
2
(22 - 18 AWG).
Maximum length: 365 m
a. Preferred shielding is braided shield.
Transducer Shielded two-wire. Maximum length: 365 m
Relay output
AC input
Copper conductors per local requirements.
INPUT
POWER
INPUT
POWER
L1 L2/N
10-32V
12
12
13
13
14
14
100 - 230 V
Note: Make sure device is connected to a reliable ground.
AC Power
DC Power
AC: 100-230 V AC ±15%, 50/60 Hz, 36 VA (10W)
DC: 10-32 V DC, 10W
Warning: Do not use a coaxial transducer cable
extension with the SITRANS LUT400. High voltage
transmitted on shield of coaxial cable could result in
personal injury, damage to equipment, or poor device
performance.
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