Siemens 9510, Installation Manual, Page: 11 / 28

11
Analog Inputs (Meter Ordering Option): AI1 to AI4
N
OTE
Do not connect the analog inputs of the I/O card to the analog outputs on
the same I/O card.
Analog Outputs (Meter Ordering Option): AO1 to AO4
N
OTE
Do not connect the analog outputs of the I/O card to the analog inputs on
the same I/O card.
Type Captured wire connector
Wire
1.3 to 0.1 mm
2
(16 to 28 AWG)
Signal Type DC current
Available Options
0 to 20 mA (scalable 4-20 mA) or 0 to 1 mA
Input Impedance 24
Ω
(0-20 mA option) or 475
Ω
(0-1 mA option)
Accuracy +/– 0.3% of full scale
Update Rate 1 s
Isolation to Ground 750 V
Isolation Impedance max 400 k
Ω
(channel/channel)
AI4 AI3 AI2 AI1
AI3
+ -
Example
application:
temperature
sensing
AI1
+
-
mV
mA
Thermocoupler
Voltage-to-
Current
Transducer
Meter
Type Captured wire connector
Wire
1.3 to 0.1 mm
2
(16 to 28 AWG)
Signal Type DC current
Available Options
0 to 20 mA (scalable 4-20 mA) or -1 to 1 mA
(scalable 0-1 mA)
Driving Capability
500
Ω
(0-20 mA option) or 10 k
Ω
(-1 to 1 mA
option)
Accuracy +/– 0.30% of full scale
Update Rate ½ cycle or 1 s
Latency
min. 1 cycle for measu ½ cycle for ION
+ 1 s delay for hardware
Isolation to Ground 750 V
AO3
OUT COM
AO4 A03 A02 AO1
Example application: driving an
analog meter with the DC
current output
AO1
OUT
COM
+
Meter
Analog
Meter