Ditel JR-C Manual Tecnico página 63

SPECIFICATIONS
Technical specifications
SPECIAL FUNCTIONS
Return to factory configuration.
Software configuration lock-out.
PRECISION
Temperature coefficient ........................................ 100 ppm/ºC
Warm-up time ......................................................... 5 minutes
Specifications range ................................................ 23ºC±5ºC
POWER SUPPLY AND FUSES (DIN 41661) (not included)
JR-C: 20-265 V AC 50/60 Hz and 11-265 V DC .. F 3A/ 250V
JR20-C: 20-265 V AC 50/60 Hz and 11-265 V DC .. F 3A/ 250V
Power consumption (both models) ...................................... 3W
Sensor excitation (both models) (stabilized) ......... 5V or 10V DC
Maximum load current ................................................... 30mA
CONVERSION
Technique ............................................................ Sigma-Delta
Resolution ..................................................................... 16 bit
Conversion rate ............................................................... 20/s
DISPLAY
Range:
JR-C ..................................... -9999 ÷ 9999, 14mm RED LED
JR20-C ................................. -1999 ÷ 9999, 20mm RED LED
Decimal point ....................................................... Configurable
LEDs ......................................... 2 for setpoints state indication
Display refresh rate ........................................................ 50ms
Display/input overrange indication ................... "-OuE" , "OuE"
Sensor failure indication ................................................ "OuE"
TARE and TARE RESET functions ............... Through frontal key
Remote TARE function ....... Logic input (O.C.) or contact switch
Remote TARE RESET ......... Logic input (O.C.) or contact switch
MAX./MIN. and MAX./MIN. RESET func. ..... Through frontal key
ENVIRONMENTAL CONDITIONS
Operating temperature ..................................... -10ºC ÷ +60ºC
Storage temperature ........................................ -25ºC ÷ +85ºC
Relative humidity (non-condensing) ................... <95% @ 40ºC
Maximum altitude ........................................................ 2000m
Frontal protection degree ................................................. IP65
INPUT SIGNAL
Configuration .................................... Differential asymmetrical
mV DC input
I
nput impedance ............................................................. 3M
EMI max. Influence (±30mV) ......................................... ±6V
EMI max. Influence (±300mV) ...................................... ±60V
Maximum input signal (±30mV) .................................... ±32mV
Maximum input signal (±300mV) ................................ ±320mV
RANGE RESOLUTION
±30mV
1V
±300mV
15V
FILTER
Cutoff frequency (-3dB) ................................ 1.20Hz to 0.18Hz
Slope .................................................................... -20dB/Dec.
SERIE KOSMOS
ACCURACY
±(0.05%rdg + 6V)
±(0.05%rdg + 60V)
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JR-C / JR20-C
DIMENSIONS
Dimensions .................................. 96 x 48 x 60 mm (1/8 DIN).
Panel cutout ........................................................ 92 x 45 mm.
Weight .......................................................................... 150g.
Case material ................................... UL 94 V-0 polycarbonate.
2RE OPTION
Maximum switching current (resistive load) .......................... 8A
Maximum sitching power ................................. 2000VA / 192W
Maximum switching voltage .......................... 400VAC / 125VDC
Contact rating ....................................... 8A @ 250VAC / 24VDC
Contact resistance .............................  100m at 6V DC @ 1A
Contact type ................................................................... SPDT
Operate time ...............................................................  10ms
NOTE:
In case that the outputs are used to drive inductive
loads, it is recommended to add an RC network between
the coil terminals (preferably) or between the relay
contacts, to limit electromagnetic effects and to extend
contacts life.
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