ABB ControlIT 53MC5000 - Page 34

Table 1-8. Group 5B Isolation Module Specifications
Item Specification(s)
Isolation Module: 5B31 Group - Isolated Voltage Inputs
Accuracy (Includes the combined
effects of repeatability, hysteresis,
and nonlinearity. It also assumes a
very high load resistance.)
Nonlinearity
±
0.05% span
±
0.2 mV RTI
±
0.05% V
z
(A nominal voltage that results in a 0 V output.)
±
0.02% span
Stability versus Ambient
Temperature:
Input offset
Output offset
Gain
Input bias current
±
20
µ
V/
°
C
±
20
µ
V/
°
C
±
50 ppm of reading/
°
C
±
0.2 nA
Input resistance:
Normal
Power off
Overload
650 k ohms
650 k ohms
650 k ohms
Noise:
Input, 0.1 - 10 Hz
Output, 100 k Hz
Bandwidth, -3 db
Rise Time, 10% to 90% span
2
µ
V rms RTI
200
µ
V rms RTO
4 Hz
0.2 seconds
CMV, input to output:
Continuous
Transient
240 V rms
Meets IEEE - STD 472 (SWC).
CMR (50 or 60 Hz):
1 K ohms in either or both input
leads
NMR (50 or 60 Hz)
160 db (span <
±
2 V)
150 db (span =
±
10 V)
60 db
Input protection:
Continuous
Transient
240 V rms maximum continuous
Meets IEEE - STD 472 (SWC).
Isolation Module: 5B32 Group - Isolated Current Inputs
Accuracy (Includes the combined
effects of repeatability, hysteresis,
and nonlinearity. It also assumes a
very high load resistance. It does
not include input resistor error.)
±
0.05% span
±
0.05% I
z
(A nominal value of input current
that results in an output of 0 V.)
Input resistor (The current-to-
voltage conversion resistor
[AC1362] is supplied as a plug-in
component for mounting external to
the module.)
Value
Accuracy
Nonlinearity
20 ohms
±
0.1%
±
0.02% span
2 of 4
53MC5000 Process Control Station
1-20