Characteristics of the TSX AEY 420 Module
(Original Document)
Introduction
This part presents general characteristics for the TSX AEY 420 module and characteristics of its analog inputs.
General characteristics
This table presents the general characteristics for the TSX AEY 420 module:
Type of inputs
High level inputs with common pulse
Type of inputs
Voltage / Current
Number of channels
4
Acquisition cycle time
1 ms for the 4 channels
Analog / Digital converter
16 bits (52,400 voltage pulses / 13,100 current pulses)
Monotonicity
Yes (for 15 bits)
Input filter
2nd order (Over-voltage coefficient = 0.5 V / Outage frequency at -6 dB = 3.4 kHz)
Insulation:
  • between channels
  • between channels and bus
  • between channels and ground
Common pulse
500 V rms
500 V rms
Isolation resistance under 500VDC between channel and ground
> 10 mOhms
Maximum over-voltage authorized for inputs
+/- 30 V in voltage
+/- 30 mA in current
Common mode voltage between the channels and ground that is acceptable in operation
240 VAC rms
150 VDC
Rejection of common mode channel / ground (DC, 50 Hz, 60 Hz)
80 dB
Diaphony between channels
80 dB
Detection of cut wire
No (except for 4..20 mA range)
Maximum power dissipation
4 W
Standards
IEC 1131, CSA22.2, UL508
Input characteristics
This table presents the general characteristics for the analog inputs of the TSX AEY 420 module:
Electric range
+/- 10 V and 0..10 V
+/0.5 V and 1..5 V
0..20 mA and 4..20 mA
Full scale (FS)
10 V
5 V
20 mA
Resolution (1)
0.4 mV
0.4 mV
0.0015 mA
Input impedance:
  • switched on
  • switched off
2.2 MOhms
10 kOhms
2.2 MOhms
10 kOhms
250 Ohms +/-0.1%
250 Ohms +/-0.1%
Maximum error at 25 °C
0.1 % of FS
0.2 % of FS
0.2 % of FS
Maximum error from 0 to 60 °C
0.2 % of FS
0.4 % of FS
0.4 % of FS
Temperature drift
30 ppm/°C
30 ppm/°C
60 ppm/°C
Range overrun
+/- 12.5V (+/-10V range)
-2.5V..12.5V (0...10V range)
0..6.25V (0..5V range)
0..6V (1..5V range)
0..25mA (0..20mA range)
0..24mA (4..20mA range)
Precision of the conversion internal resistance
-
-
0.1 % -25 ppm/°C
Legend
(1)
Pulse resolution:
  • 52,400 pulses for the +/- 10 V range,
  • 26,200 pulses for the 0..10 V range,
  • 13,100 pulses for the 0..5 V and 0..20 mA ranges,
  • 10,400 pulses for the 1..5 V and 4..20 mA ranges