SDY
4 The Interface Solution Experts
PC-Programmable Signal
Isolator/Converter with Display
Performance
Input Accuracy:
Current Input: 3µA (0.006% of full span
50mA)
Voltage Input: 0.6mV (0.006% of full
span 10V)
Output Accuracy:
4.8µA
(0.03% of 4-20mA span)
Overall Accuracy:
overall accuracy
of the unit is the combined input
and output accuracy. It includes the
combined effects of linearity, hysteresis,
repeatability and adjustment resolution.
It does not include ambient temperature
effect.
Stability:
Input to output stability is
0.09% of output span for one year,
0.15% of output span for three years,
and 0.20% of span for five years.
Minimum Input Span:
Current, 1.0mA;
Voltage, 250mV
Isolation:
500VAC/1000VDC input to
output to case.
Measurement Cycle:
Updates 8 times
per sec.
Response Time:
256msec typical for
the output to change from 10% to 90%
for an input step change of 0% to 100%
Step Response Time:
500msec typical
from the time an input is applied until the
output reaches 90% of its final value.
Input Impedance:
Voltage, 1MΩ;
Current, 20Ω
Load Effect:
Negligible within specified
load limits
Ripple:
10mV peak-to-peak maximum
(measured across 250Ω resistor)
Power Supply Effect:
0.002% of span
per 1V change
Over-Voltage
Performance (Continued)
Protection:
48V, maximum on output;
48V reverse polarity protection on output.
Maximum Input Overrange:
Current:
100mA maximum continuous; Voltage
on Current Input: ±1.5Vdc peak; Voltage:
18Vdc
Load Capability:
Supply Voltage – 10V = Ω
0.024A
Output Current Limiting:
3.8mA (low) and
21.4mA (high)
User-programmable, 3.8 or 21.4mA for
input under/over range; 24mA, maximum
(hardware limit)
Display
Type:
LCD; Top Row, 10.16mm (0.4 inch) high
black digits on a reflective background;
Bottom Row, 5.72mm (0.225 inch) high
black digits on a reflective background
Format:
Two rows of five alphanumeric
characters
Range:
-99999 to 99999
Minimum Display Span:
1.00
Ambient Conditions
Operating Range:
–40°C to +85°C
(–40°F to +185°F)
Storage Range:
–40°C to +85°C
(–40°F to +185°F)
Effect of Ambient Temperature on
Accuracy:
±0.015% of span/°C
Relative Humidity:
0-95%, non-
condensing
Specifications
Ambient Conditions (Continued)
RFI/EMI Immunity:
20V/m @ 80-
1000MHz, 1K AM @ 80% when tested
according to IEC 61326
Common Mode
Rejection:
100dB, minimum, @
50/60Hz
Normal Mode Rejection:
70dB,
typical, @ 0.8V peak-to-peak, 50/60Hz
Weight
HP Housing:
178g (6.3 oz)
BH Housing:
1.5kg (3.3 lbs)
D-BOX Housing:
688g (1 lb, 8.3 oz)
Specifications and information subject to change without notice.
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