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| | | Temperature Converter PXT-20 | | |
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| | | DESCRIPTION Temperature converter for converting a temperature to an analogue process signal. The temperature converter has an Pt100 input in two ranges -50-300°C and -50-100°C. A typical application is where temperature measurement is required and when a PLC/Controller only has analogue inputs. The temperature range for input and type of analogue output are selected via choice of terminal - see connection diagram. Features • Pt100 probe input with/without compensation for cable resistance in two ranges -50 to 300°C and -50-100°C . • Output 0-10VDC/2-10VDC/0-20/4-20mA - selected via terminals. • Output offset and gain adjustable ±5%. • LED indication of input less than 5%. • Operating voltage 12-48VAC/DC, 115-230VAC. | | WIRING DIAGRAM | | |
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| | | rf=h Pt100, I I I 2 wire | | |
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| | | J—Pt100, | | |
| | | 3 wire | | |
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| | | Y1 Y2 Y3 | | |
| | | Strapped at low range t^^-50-100°C ' Z3 Supply | | |
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| | | | | | | | | | | _ | -A1 nr | + | | | | | _A2 0 | | | | | | AC | DC | | | | 999 | - | - | | | | | | | | | | |
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| | | 4-20mA output | | |
| | | 0outIout | | |
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| | | I 1 0-20mA output 0°t|oUT Z1+Z2 strapped I L-4 0-10V output 0OUT VOUTZ1+Z2 strapped | | |
| | | VERSIONS/ORDERING CODES | | |
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| | | Type: Temperature converter Pt100 Supply Voltage 12-48V AC/DC 115-230V AC | | PXT-20 230 | | |
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| | | 4 | | |
| | | PXT-20 I | | |
| | | 2-10V output | | |
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| | | 0o„t Vout | | |
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| | | 924 230 | | |
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| | | ADJUSTMENT PXT-20 is delivered adjusted to offset = 0% and gain = 100%. To compensate for any loss in cables, etc. is it possible to adjust the output signal. Remove the front cover. The offset (zero) and gain (span) on the output signal can be adjusted +/- 5% of max. signal. Put the cover back on to avoid any accidental adjustment of the relay. See fig. 1. Fig. 1 | | |
| | | BLOCK DIAGRAM | | |
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| | | \—0 A1 +/L | | |
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| | | Supply | | |
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| | | O Z1 | | |
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| | | Pt-100 | | |
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| | | LED indication: Supply voltage ___>o Low input 5-10% of FS | | |
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| | | Offset Gain. | | |
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| | | 3 q | | |
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| | | BRODERSEN | | Export: Tel: +45 46 74 00 00 Fax: +45 46 75 73 36 E-mail: bc@brodersencontrols.com | | United Kingdom: Tel: +44 020 8546 4283 Fax: +44 020 8547 3628 E-mail: bcs@brodersen.co.uk | | Germany: Tel: +49 208 46954-0 Fax: +49 208 46954-50 E-mail: ba@brodersen.de | | |
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