Siemens S7-300 appendix Analog value generation, Actuator selection data

Technical data of CPU 31xC

6.6 Technical data of the integrated I/O

Technical data

Permitted potential difference
• between MANA and Minternal (UISO)			75 VDC / 60 VAC
Insulation test voltage			600 VDC
Analog value generation
Resolution (including overdrive)			11 bits + signed bit
Conversion time (per channel)			1 ms
Settling time
•	with resistive load		0,6 ms
•	With capacitive load		1,0 ms
•	With inductive load		0.5 ms
Interference suppression, error limits
Crosstalk between the outputs			> 60 dB
Operational error limits (across the temperature range, in relation to output
range)
•	Voltage/current		± 1 %
Basic error limit (operational limit at 25 °C, in relation to output range)
•	Voltage/current		± 0,7 %
Temperature error (in relation to output range)			± 0.01 %/K
Linearity error (in relation to output range)			± 0,15 %
Repeat accuracy (in transient state at 25 °C, in relation to output range)			± 0,06 %
Output ripple; bandwidth 0 to 50 kHz (in relation to output range)			± 0,1 %
Status, interrupts, diagnostics
Interrupts			• no interrupts when operated as standard
			I/O
			• For using technological functions, please
			refer to the Technological Functions
			Manual.
Diagnostics functions			• no diagnostics when operated as
			standard I/O
			• For using technological functions, please
			refer to the Technological Functions
			Manual.
Actuator selection data
Output range (rated values)
•	Voltage		± 10 V
			0 V to 10 V
•	Current		± 20 mA
			0 mA to 20 mA
			4 mA to 20 mA
Load resistance (within output rating)
•	For voltage outputs		min. 1 kΩ
	–	Capacitive load	max. 0.1 μF
•	For current outputs		max. 300 Ω
	–	Inductive load	0.1 mH

6-54	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05