Technical specifications
9
9.1
Input
Analog input (AI), terminal 6 and 7
Nominal signal range
4 ... 20 mA
Minimum current to maintain the operation
3.8 mA
Maximum load voltage 4 ... 20 mA
6.5 V corresponds to 325 Ω at 20 mA
Maximum load voltage HART
8.4 V corresponds to 420 Ω at 20 mA
Static destruction limit
± 40 mA
Type of communication
HART 7
Digital input (DI), terminals 9 and 10
Galvanic isolation
Galvanically connected to analog input
Galvanically isolated from the outputs
Signal status 0, floating contact open
> 300 kΩ
Signal status 1, floating contact closed
< 3 kΩ
Contact load
Can only be used for floating contact;
Max. contact load < 20 μA, 3 V
9.2
Output
Analog output (AO), terminals 61 and 62
Wiring configuration
2-wire connection
Nominal signal range
4 ... 20 mA
Fault current
< 3.6 mA
Supply voltage U
H
12 ... 30 V
External load R
B
[kΩ]
≤ (U
H
[V] - 12 V)/20 mA
Resolution in relation to the nominal signal range
0.05%
Maximum transmission error in relation to the nominal signal
range
± 0.3%
Maximum effect of ambient temperature
± 0.1 %/10 K
Maximum residual ripple
± 0.5%
Galvanic isolation
Galvanically isolated from the other electrical inputs and
outputs
SIPART PS100
Compact Operating Instructions, 05/2021, A5E50188940-AA
43
