M-system LTCE Instruction Manual

Power Transducer Series LT-UNIT
AC CURRENT TRANSDUCER
Functions & Features
• Converts alternating current from a current transformer
into a standard process signal
• Minimum ripple
• True RMS sensing
• Isolation up to 2000 V AC
• High-density mounting
• Conforms to IEC 60688
• CE marking
Typical Applications
• Centralized monitoring and control of motors, pumps or
heaters by DCS
• Monitoring power line and power supply current
39
(1.54)
111
(4.3 7)
143 (5.63)
mm (inch)
MODEL: LTCE–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: LTCE–[1][2]-[3][4]
Specify a code from below for each [1] through [4].
(e.g. LTCE-5A-K3/T)
• Special output range (For codes Z & 0)
[1] INPUT
Current
1: 0 – 1 A AC
2: 0 – 2 A AC
5: 0 – 5 A AC
[2] OUTPUT
Current
A: 4 – 20 mA DC (Load resistance 500 Ω max.)
D: 0 – 20 mA DC(Load resistance 500 Ω max.)
F: 0 – 10 mA DC (Load resistance 1000 Ω max.)
G: 0 – 1 mA DC (Load resistance 10 kΩ max.)
SEN TRONIC
AG
Produkte, Support und Service
J: 0 – 5 mA DC (Load resistance 2000 Ω max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3: 0 – 1 V DC (Load resistance 1000 Ω min.)
4: 0 – 10 V DC (Load resistance 10 kΩ min.)
5: 0 – 5 V DC (Load resistance 5000 Ω min.)
6: 1 – 5 V DC (Load resistance 5000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)
[3] AUXILIARY POWER SUPPLY
AC Power
K3: 100 – 120V AC
(Operational voltage range 85 - 132 V AC, 47 - 66 Hz)
L3: 200 – 240V AC
(Operational voltage range 170 - 264 V AC, 47 - 66 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
V: 48 V DC
(Operational voltage range 48 V ± 10 % , ripple 10 % p-p max.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
(CE not available)
[4] OPTIONS
Terminal cover
blank: Without
/T: With

GENERAL SPECIFICATIONS

Connection: M4 screw terminals (torque 1.2 N·m)
Screw terminal: Chrome-plated steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Input waveform: Up to 15 % of 3rd harmonic content
Overrange output: 0 to 120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
INPUT SPECIFICATIONS
Frequency: 50 or 60 Hz
Operational range: 0 – 120 % of rating
Overload capacity: 4000 % of rating for 1 sec., 2000 % for 4
sec.,
120 % continuous
Input burden:
0.1 VA (input 0 – 1 A)
0.2 VA (input 0 – 2 A)
Rugghölzli 2 Tel. +41 (0)56 222 38 18
CH - 5453 Busslingen Fax +41 (0)56 222 10 12
MODEL: LTCE
mailbox@sentronic.com
www.sentronic.com