ie-ms2-MS6-10
53
9.4.3
Parameters of input ranges
Input for measurement of dc current (4 to 20) mA
Measured value:
dc current, from active source connected between terminals
COM and GND or passive transmitter connected between
terUp and COM
Range:
(4.. 20) mA
Accuracy:
0.1 % from range (± 0.02 mA)
Input resistance:
110
(across COM and GND terminals)
Current in short circuit
of input terUp
and COM:
at the moment of short circuit approx. 130mA, after approx. 10
sec limited to approx. 40 mA (valid for switch at +24V
position)
Voltage
across
open
terUp a COM:
approx. 22V with current 4 mA and approx. 19V with current
20mA
Input for measurement of dc voltage -10V to +10V
Range:
(-10... +10) V
Accuracy:
0.1 % from range (± 10 mV)
Input resistance:
approx. 10
7
Input terminals:
IN a COM
Input for measurement of dc voltage -1V to +1V
Range:
(-1...+1) V
Accuracy:
0.1 % from range (± 1 mV)
Input resistance:
approx. 10
7
Input terminals:
IN a COM
Input for measurement of dc voltage -100mV to +100mV
Range:
(-100... +100) mV
Accuracy:
0.1 % from range (± 100 uV)
Input resistance:
approx. 10
7
Input terminals:
IN a COM
Input for measurement of dc voltage -18mV to +18mV
Range:
(-18... +18) mV
Accuracy:
0.1 % from range (± 18 uV)
Input resistance:
approx. 10
7
Input terminals:
IN a COM
terminal
recommended operating values
+Up
power of connected transmitters at range 0 to
approx. 25 mA against terminal COM or GND or
not connected
IN
at range -10V...+10V DC against COM or GND or
not connected
COM
at range -3V...+3V or -25mA...+25mA against
GND or not connected
GND
teUp
switch position
+24V
+12V
no load voltage
approx. 23 V
(13,2..13,6)V
internal resistance
@23°C
125 ohms
current limiter
thermistor
voltage @20mA
approx. 21.5 V
approx. 12 V