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參數(shù)資料
| 型號： | OPT400003 |
| 英文描述： | 16-BIT I/O EXPANDERS WITH I2C & SPI INTERFACE, -40C to +125C, 28-SSOP 208mil, T/R |
| 中文描述： | 發(fā)射模塊的4 - 20mA |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 15K |
| 代理商： | OPT400003 |
CURRENT RETRANSMISSION BOARD (SOURCE AND SINK) OPTION 03
PERFORMANCE @20°C
Accuracy:
Resolution:
Response:
Minimum Current O/P:
Maximum Current O/P:
Thermal Drift:
20uA
2uA
100ms for approx 63% of step change
0mA
21mA (approx)
900nA/oC (0.0045% of Max current /oC
(0.1% of Max current)
(0.01% of the input range )
)
Maximum loop impedance:
Output voltage drop @20mA:
Maximum external loop power supply voltage:
Minimum practical loop power supply voltage:
1000ohms
3 Volts
30VDC
(R
L*
21mA)+3
Where R
L
is the Loop impedance
(Source)
(Source & Sink)
(Sink)
(Sink)
Ripple Current:
Approx 5uA
Isolation:
Input
Power Supply
Comms I/F
500VAC
2500VAC
500VAC
)
) See safety information
) on page 8
VOLTAGE OUTPUT BOARD (OPTION 04) PERFORMANCE @20°C
Range :
Accuracy:
Maximum Current O/P:
Thermal Drift:
Ripple:
Fixed Voltage:
Programmable Voltages:
2-24volts DC
24mV
50mA
(xi)
1080uV/ °C (0.0045% of Max voltage /°C)
Approx 6mV
24V
2,2.5,3,3.5,4,4.5,5,6,7,8,9,10,12,15,20
(0.1% of Max voltage)
Isolation:
Input
Power Supply
Comms I/F
500VAC
2500VAC (information
500VAC
(on page 8
(see safety
APPENDICES
APPENDIX B
SG4-2069-04
Page 77
RS485 COMMUNICATION OPTION
GENERAL
Configuration
Maximum fan-out
Baud Rate
Data bits
Start bits
Stop bits
Parity
Maximum line length
Protocol
Four wire, Half Duplex
32 units
(viii)
9600
8
1
1
none
4km
based on ANSI X3.28
TRANSMITTER
Maximum differential output voltage
Output voltage with 50ohm load
5v
>1.5v
RECEIVER
Differential input threshold voltage
Input receiver impedance
Common mode range
+/-200mV
12kohms
-7v to +12v
ENVIRONMENTAL
Ambient operating temperature range
Ambient storage temperature range
Relative Humidity
EMI Emissions
EMI Susceptibility
Safety
Power Supply
Power consumption
Max in-rush current
Front panel sealing(with gasket)
0 to 50°C
-20 to 80°C
20% to 95% non condensing
BS EN50081-1
BS EN50082-1
BS EN61010-1
240VAC,110VAC,24VAC 50/60Hz
6.5Watts max
100mA @240VAC
IP65
APPENDIX B
APPENDICES
Page 78
SG4-2069-04
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