18
SAVR (DC voltage ratio transmitter)
Input
Input resistance
Allowable signal
source resistance
0 to 10mV DC
20
or less
-10 to 10mV DC
40
or less
0 to 50mV DC
0 to 60mV DC
0 to 100mV DC
200
or less
0 to 1V DC
2k
or less
0 to 5V DC
1 to 5V DC
0 to 10V DC
1M
1k
or less
Output specifications
DC current
Output
Allowable load
resistance
Zero adjustment
range
Span adjustment
range
4 to 20mA DC
700
or less
-5 to 5%
95 to 105%
0 to 20mA DC
700
or less
0 to 5%
95 to 105%
0 to 12mA DC
1.2k
or less
0 to 5%
95 to 105%
0 to 10mA DC
1.2k
or less
0 to 5%
95 to 105%
1 to 5mA DC
2.4k
or less
-5 to 5%
95 to 105%
DC voltage
Output
Allowable load
resistance
Zero adjustment
range
Span adjustment
range
0 to 1V DC
100
or more
0 to 5%
95 to 105%
0 to 5V DC
500
or more
0 to 5%
95 to 105%
1 to 5V DC
500
or more
-5 to 5%
95 to 105%
0 to 10V DC
1k
or more
0 to 5%
95 to 105%
When the output range lower limit is zero, (even if zero adjustment results
in a negative value), the output value will not be negative.
Performance
Accuracy
Input : Within
0.1% (If Ratio is set to 1.00 times and bias is set to 0%)
Output: Within
0.1% (If Ratio is set to 1.00 times and bias is set to 0%)
Display accuracy
Within Input accuracy
1 digit
Response time
0.5 seconds (typical) (0
90%)
Ratio setting
0.10 to 4.00 times
Bias setting
-100 to 100%
Computing equation
See Section 8.2.4. (p.17)
Temperature coefficient
0.015
%/
Insulation resistance
Input – Output – Power: 10M
or more, at 500V DC
Dielectric strength
Input – Output – Power: 2.0kV AC for 1 minute
General structure
Case
Flame-resistant resin, Color: Light gray
Front panel
Membrane sheet
Setting
Setting by the front keypad
Display, indicator
Input display
: 7 segments Red LED display 4 digits
Character size: 7.4 x 4.0mm (H x W)
Output display : 7 segments Green LED display 4 digits
Character size: 7.4 x 4.0mm (H x W)
Power indicator: Green LED