Specifications
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Modicon
™
Momentum
™
automation platform
Analog I/O bases
Specications for analog input bases
Type of base units 170 AAI 140 00 170 AAI 520 40
Number of inputs 1 x 16 single-ended input 1 x 4 differential inputs
Format of data Full 16 bits signed (2’s complement)
Protection Base and actuators Polarity inversion
Error indication None
Ranges ± 10 V ± 5 V 4…20 mA ± 25 mV ± 100 mV
Input impedance
kW
> 2200 > 2200 < 0.250 > 10000 > 10000
Maximum variation at 25 °C 0.15 % FS 0.15 % FS 0.25 % FS ± 21 µV ± 27 µV
Maximum variation at 60 °C 0.25 % FS 0.25 % FS 0.45 % FS ± 46 µV ± 94 µV
Temperature drift (60 °C) ‰ 30 PE / °C 30 PE / °C 60 PE / °C –
PE (Full scale) 10 V 5 V 16 mA –
Resolution 12 bits + sign 12 bits + sign 12 bits 15 bits + sign
Filtering Low pass with cut-off frequency 10 kHz –
Current source Pt100 mA – – 0.125
Ni100 mA – – 0.125
Pt1000 mA – 0.125 –
Ni1000 mA – 0.125 –
Update time ms 1 + 1.5 x n
n = number of declared channels
500
Error indication None
Potential isolation Channel to channel Vdc None 400
Base power supply and ground Vdc 500 for 1 minute 500 for 1 minute
Channels to ground Vac 1780 for 1 minute 500 for 1 minute
Base power V ± 30 (voltage or current output) ± 30 (voltage or current output)
Common mode
Channel to ground
V – ± 100 DC, 250 AC
Common mode
Voltage between channels
V – 200 DC, 115 AC single phase or 3-phase
or 250 AC single phase
Common mode rejection Channel to ground 250 Vac at 47…63 Hz or 100 Vdc 135 dB DC, 145 dB AC 50 Hz, 155 dB AC
60 Hz
Between channels – 120 dB DC, 130 dB AC 50 Hz, 140 dB AC
60 Hz
Serial mode rejection – 35 dB AC 50 Hz, 45 dB AC 60 Hz
Input protection Polarity inversion
Operating voltage Vdc 24
Internal current mA 305 @ 24 Vdc
Power dissipation Typical W 4.95 3.5
Maximum W 5.55 5.5
Fusing Internal 2 A slow-blow 2 A slow-blow
External 500 mA fast-blow 500 mA fast-blow
Agency approvals UL, e, CSA, FM Class I, Div. II
References :
pages 34 and 35
Dimensions :
page 35
Wiring diagrams :
pages 36 and 37
Specications (continued)