Siemens SIMATIC C7-626, Installation, Assembly, Wiring

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6
6-17
C7-626 / C7-626 DP Control Systems
C79000-G7076-C626-01
Block diagram
DAC
AO1
Galvanic
isolation
Figure 6-12 Block Diagram of the Analog Output Function
Technical Specifications
Specific Data of the Analog Output
Number of outputs 1
Cable length, shielded 200 m
Voltages, Currents, Potentials
Galvanic isolation Yes
Insulation resistance 500 VDC
Measurement ranges:
Voltage
Current
V/A at different pins –>
no coding pin
10 V
20 mA, 4...20 mA
Analog Value Generation
Resolution (including
overrange)
S
10 V; 20 mA;
4 to 20 mA
12 bits incl. sign
Conversion time max. 0.8 ms
Settling time
S
For resistive load
S
For capacitive load
S
For inductive load
0.1 ms
3.3 ms
0.5 ms
Substitute value injectable Yes, can be assigned
parameters
Interference Suppression, Error Limits
Measuring tolerance 1% of end value
Basic error limit (operational
limit at 25
_
C, referred to
output range)
S
Voltage
S
Current
1%
1%
Output ripple (referred to
output range) 0.05 %
Status, Interrupts, Diagnostics
Interrupts
S
Diagnostic interrupt Yes, can be assigned
parameters
Diagnostic functions
S
Diagnostic information can
be read
Yes, can be assigned
parameters
Yes, group error/fault
C7 Analog Input/Output