Installation guide

58
Characteristics (continued)
Advantys
STB Distributed I/O
Solution 0
Analog input modules
(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) Basic NIM modules do not support hot swapping of input/output modules.
(3) Sensor bus power supply separate from sensor power supply.
Characteristics of analog input modules (continued)
Type of module STB ACI 1225 ACI 1230 ACI 0320 ACI 8320 ART 0200
Type Basic Standard Standard Standard Standard
Number of channels
2 4 2 multi ranges in
any configuration
Range
4…20 mA 0…20 mA (1) 4…20 mA and
0…20 mA
Pt 100, Pt 1000,
Ni 100, Ni 1000
and Cu 10 2,
3 or 4-wire
temperature
probes
B, E, J, K, R, S, T
thermocouples
Voltage ± 80 mV
Resolution
bits 10 12 15 + sign
Maximum input
25 mA at c 50 V c ±7.5V
Response time
ms 5 for both channels See page 59
for details
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 10 for 2 channels 10 for 4 channels 80 for 4 channels See page 59
for details
Cut-off frequency of low-pass input filter
Hz 25 985 25
Integral linearity
% of
full
scale
±0.2 ±0.1 ±0.05 See page 59
for details
Differential linearity
Monotonic
Input impedance
Ω y 300 250
Current supplied to sensors, per channel
mA 100 25 100
Electronic short-circuit protection
No Yes
Source impedance
kΩ
Absolute accuracy
± 0.5% of full scale at 25 °C (77°F) ± 0.4% at 25 °C (77°F) See page 59 for
details
Temperature drift
± 0.01% of full scale per °C ± 0.005% per °C See page 59 for
details
Isolation Between channels and
logic bus
V c 1500 for 1 minute a 1780 for 1 minute a 1500 for
1 minute
Between channels and
sensor bus
V c 30 (3) c 200
Addressing
2 words
(1 word per
channel)
4 words
(2 words per
channel)
8 words
(2 words per
channel)
2 words
(2 words
per channel
+ 1 for
cold-junction
compensation)
I/O base
STB XBA 1000 STB XBA 2000 STB XBA 1000
PDM power
distribution module
Voltage
V c 24
Model
STB PDT 3100/3105
Logic bus current consumption at c 5 V
mA 60 250 55
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