Installation guide
61
Characteristics (continued)
Advantys
™
STB Distributed I/O
Solution 0
Analog input/output modules
Characteristics of analog output modules
Type of module STB ACO 1225 STB ACO 1210 STB ACO 0220
Type
Basic Standard
Number of channels
2
Range
4... 20 mA 0... 20 mA (1) 4... 20 mA and
0... 20 mA
Resolution
bits 10 12 15 + sign
Output current per channel
mA 20
Response time
ms 3 –
Swapping
Cold swap
Yes
Hot swap
Yes, depending on NIM and mandatory nature of module. See table on page 41
Data format
Complies with IEC/EN 61131-2
Update time
ms 25 for 2 channels –
Conversion time
900 μs at ± 0.1% of final value 4 ms for both channels
Short circuit protection on the outputs
Yes –
Integral linearity
± 0.1% of full scale, typical ± 0.5% of full scale, typical
Differential linearity
Monotonic
Absolute accuracy
± 0.5% of full scale per °C ± 0.3% at 25°C (77°F)
Temperature drift
± 0.01% of full scale per °C ± 0.005% of full scale per °C
Isolation Between channels and
logic bus
V c 1500 for 1 minute
Between channels and
actuator bus
V c 30 (2) c 200
Fallback states Default
V 4 mA on 2 channels Minimum output (0 mA)
User-configurable setting (3)
– Hold last value, allocate a predefined value
Fallback mode
Predefined User configurable
Addressing
2 output data words 2 output data words plus 1 for
configuring fallback state
–
I/O base
STB XBA 1000 STB XBA 2000
PDM power
distribution module
Voltage
V c 24
Model
STB PDT 3100/3105
Logic bus current consumption at c 5 V
mA 80 y 250
(1) If the STB ACI 1230 module is configured with the STB SPU 1000 software, a zero offset
can be set, e.g. 4…20 mA.
(2) Actuator bus power supply separate from actuator power supply.
(3) Requires Advantys configuration software.
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