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Chapter 4 Specifications of the LCI
Faults Monitored
Powering
Indication
Setting Method
Connections
Dimensions
Environmental
Enclosure Material
Parameters
Power supply voltage (from Host excitation supply)
Power supply current (from Host excitation supply)
Load cell excitation 350R load cell
Load cell resistance (typically 350-700R)
Load cell sensitivity
Number of load cells selectable
Output load (Host input impedance)
Bandwidth (*display only)
Zero temp. coefficient (*display only) @ 2mV/V @4V
excitation
Span temperature coefficient (*display only)
Linearity (*display only)
90 day Stability (*display only)
90 day Stability (*display only)
Operating temperature range
Storage temperature range
Humidity
Scan Speed for alarm output (4 cells)
Display range
Relay contacts SPCO current (normally energized)
Relay contacts SPCO DC voltage (normally energized)
Relay contacts SPCO AC voltage (normally energized)
Alarm operating speed for less than 1mV change
mV measurement accuracy individual cell (*display
only)
Mantracourt Electronics Limited LC1 User Manual
Load Cell out of pre-set balance range
Load Cell out of pre-set operating range
Low/high excitation
Open circuit of any load cell connection
Short circuit between any load cell connections
Internal load cell fault (bridge imbalance)
By Load Cell Excitation from Host
4 digit 7-segment LED display for set up, load cell error type, individual
mV and average mV.
6 buttons for reading & set up
2 part terminals, up to 2.5mm² cable
4 x 5 way for load cell connection
1 x 5 way for LCI output and power input
1 x 3 way alarm relay contacts
200 x 120 x 75mm. (PCB dimensions 170 x 100mm excluding mounting
material)
Sealed to IP65 with cable glands & blanking plugs fitted
CE Compliance.
Grey ABS
Min
Typical
Max
4
5/10
-
70
4
5/10
300
350
1000
1.0
2.0
1
-
1M
-
-
100
-
0.008
-
0.001
0.0025
-
-
-
-
-
-
-10
-
-40
-
-
95
-
40
-50
-
-
-
-
-
-
-
-
100
-
-
±0.1
Units
12
Vdc Note 1
80
mA Note 2
12
V
Ohm
5.0
mV/V
4
-
Ohm
-
Hz
0.02
%FR/C
%/C
0.03
%FR
0.01
%
0.01
%FR
85
C
95
C
-
%
100
ms
+50
mV
1
A
24
VDC
120
VAC
-
ms
mV
7
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