User guide

48238-EN/5
Momentum automation platform 0
Analog I/O Bases
Characteristics of analog output bases
Type of base units 170AAO12000 170 AAO 921 00
Number of outputs
1x4
Format of data
Full 16 bits signed (2's complement)
Protection Base and actuators
Polarity inversion
Ranges
±10V 0…20 mA ±10V 4…20 mA
Load impedance
kΩ 1 minimum 0.6 maximum 1 minimum 0.6 maximum
Capacitive load
µF <1
Error at 25 °C
% 0.2 PE 0.3 PE 0.2 PE 0.4 PE
Error at 60 °C
% 0.25 PE 0.4 PE 0.25 PE 0.5 PE
Temperature drift (60 °C)
‰ 10 PE / °C 30 PE / °C 10 PE / °C 30 PE / °C
Resolution
12 bits + sign
Update time
ms <2
Full scale
10 V in the range of ± 10V
2 mA in the range of 0…20 mA
Potential isolation Channel to channel
None
Base power supply and
Ground
V 500 VDC, 1 min
Channels to ground
V 1780 VAC, 1 min
Output protections
Short-circuits in the voltage circuits, open in current polarity inversion
Base power
V ± 30 (voltage or current output)
Common mode rejection
250 VAC @ 47…63 Hz or 250 VDC channel to ground
Operating voltage
VDC 24
Internal current Base
mA 530 @ 24 VDC
Actuators
mA 150 @ 24 VDC
Power dissipation Typical
W 5.6
Maximum
W 8.5
Internal fusing
A 2, slow-blow
Agency approvals
UL, CE, CSA
Characteristics (continued)
References :
pages 48238/8 and 48238/9
Dimensions :
page 48238/9
Connections :
pages 48238/10 and 48238/11