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SIGNAL CONVERTER PCE-SCI-L
Signal converter for load cells and millivolts, isolated, industrial applications
1. How to order
1. How to order . . . . . . . . . . . . . . . . . . . . . . . . .2
2. Material included . . . . . . . . . . . . . . . . . . . . . . 2
3. Additional information. . . . . . . . . . . . . . . . . . . . 2
4. Installation and start-up . . . . . . . . . . . . . . . . . . . 3
5. SOS mode . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6. Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7. Practical load cell information . . . . . . . . . . . . . . . . 4
7.1 Number and type of cells accepted 4
7.2 Load cell and ‘sense’ wires 4
7.3 Millivolt mode 4
7.4 Load cell with external power 4
7.5 Connecting the cell to the ground 4
7.6 Connections with a junction box 5
7.7 How to calculate the input signal range 5
7.8 Connections with 3 or 4 load cells 5
8. Predened conguration codes . . . . . . . . . . . . . . .6
9. Connections and dimensions (mm (inch)) . . . . . . . . . . 7
10. Input signals . . . . . . . . . . . . . . . . . . . . . . . . 8
10.1 Load cell signals 8
10.2 Millivolts signals 9
11. Technical specications . . . . . . . . . . . . . . . . . 10
12. How to operate the instrument . . . . . . . . . . . . . . 12
12.1 Conguration system 12
12.2 ‘Normal mode’ of operation 12
12.3 How to operate the ‘Conguration menu’ 12
12.4 How to operate the ‘Force’ menu 13
12.5 How to activate the ‘Messages’ function 13
12.6 Fast and advanced congurations 13
13. Conguration menu. . . . . . . . . . . . . . . . . . . . 14
13.1 Function codes 14
13.2 Initial conguration 14
13.3 Output range 14
13.4 Advanced scaling 15
13.5 Field correction 16
13.6 Display information 16
13.7 Key ‘UP’ (‘force’ menu) 17
13.8 Key ‘LE’ (‘messages’ function) 17
13.9 ‘Tools’ menu 18
14. Full conguration menu. . . . . . . . . . . . . . . . . . 20
15. Factory default parameters. . . . . . . . . . . . . . . . 22
16. Error codes . . . . . . . . . . . . . . . . . . . . . . . . 22
17. Precautions on installation. . . . . . . . . . . . . . . . 23
18. Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 23
19. CE declaration of conformity . . . . . . . . . . . . . . . 23
INDEX
USER’S MANUAL
The instrument is provided with the following elements:
• 1 x instrument PCE-SCI-L
• 4 x plug-in screw terminals
• 1 x quick installation guide
2. Material included
User’s Manual
Datasheet
Quick installation guide
CE declaration
Warranty
Web www.pce-instruments.com
3. Additional information
When the marks ‘Attention’ or ‘Risk of electrical shock’
appear, read the documentation for information about the
nature of the risk.
Reference Description
PCE-SCI-L Signal converter for load cells
Isolated signal converter for load cell signals and millivolts. Provides +5 Vdc excitation voltage to power the load cell, and ‘sense’ function to compensate for
excitation voltage variations. Accepts direct connection of 1, 2 3 or up to 4 load cells (typical 350 Ohm load cells). Accepts 4 and 6 wire load cells. Accepts
unipolar and bipolar ranges up ±80 mV.
Congurable output in 4/20 mA (active or passive) or 0/10 Vdc. Universal
power supply from 18 to 265 Vac/dc. 3 way isolation between input, output
and power circuits. Circuit isolation prevents ground loops and transient
propagation, protecting remote equipment and signal integrity.
Predened conguration codes available for fast and easy conguration.
Advanced conguration menu available to customize input and output
signal ranges to specic values required. ‘Tare’ function accessible from
front keypad. Conguration through front push-button keypad. Front display
available for conguration and system information (tare value, input signal
value, output signal value, congured label, signal percentage, process
value, excitation voltage and excitation current values).
Built-in ‘force’ functions to manually generate low and high output signals,
to validate remote instrumentation during installation. ‘SOS’ mode to help
on critical maintenance and repairs. Congurable power frequency rejection
lter. ‘Password’ function to block non-authorized access to ‘conguration
menu’.
Designed for industrial use, with potential integration into a wide range of
applications, reduced cost, excellent quality and available customization.
