User guide

48238-EN/4
Momentum automation platform 0
Analog I/O Bases
Characteristics of analog input bases
Type of base units 170 AAI 140 00 170 AAI 520 40
Number of inputs
1x16 1 x 4 differential inputs
Formatofdata
Full 16 bits signed (2's complement)
Protection Base and actuators
Polarity inversion
Error indication
None –
Ranges ±10V ±5V 4…20 mA ±25mV ±100mV
Input impedance kΩ >2200 > 2200 < 0.250 > 10000 > 10000
Error at 25 °C 0.15 % FS 0.15 % FS 0.25 % FS ±21µV ±27µV
Error at 60 °C 0.25 % FS 0.25 % FS 0.45 % FS ±46µV ±94µV
Temperature drift (60 °C) ‰ 30 PE / °C 30 PE / °C 60 PE / °C – –
PE (Full scale) 10 V 5V 16 mA – –
Resolution 12 bits + sign 12 bits + sign 12 bits 15 bits + sign 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+1.5xn
n = number of declared channels
500
Error indication None –
Potential isolation Channel to channel VDC None 400
Base power supply and
Ground
VDC 500, 1 min 500, 1 min
Channels to ground
Base power
Common mode
Channel to ground
VAC
V
V
1780, 1 min
± 30 (voltage or current output)
–
1780, 1 min
± 30 (voltage or current output)
± 100 VDC, 250 VAC
Common mode
Voltage betw.channels
V – 200 VDC, 115 VAC single phase or 3-phase or
250 VAC 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 2Aslow-blow
External
500 mA fast-blow 500 mA fast-blow
Agency approvals
UL, CE, CSA, FM Class I, Div. II
Characteristics (continued)
References :
pages 48238/8 and 48238/9
Dimensions :
page 48238/9
Connections :
pages 48238/10 and 48238/11