Siemens SIMATIC S7-300 Module data User Manual

Digital modules
3.16 Digital input module SM 321; DI 8 x 120/230 VAC ISOL (6ES7321-1FF10-0AA0)
S7-300 Automation System Module data
3-46 Manual, 08/2006, A5E00105505-04
Technical data of SM 321; DI 8 x AC 120/230 V ISOL
Technical data
Dimensions and weight
Dimensions W × H × D 40 × 125 × 117
Weight approx. 240 g
Module-specific data
Isochronous mode supported No
Number of inputs 8
Cable length
• unshielded
• shielded
max. 600 m
max. 1000 m
Voltages, currents, electrical potentials
Rated load voltage L1
All load voltages must be connected to a common phase
120/230 VAC
Number of simultaneously controlled inputs
• Horizontal mounting position up to 60 °C
8
• Vertical mounting position up to 40 °C
8
Electrical isolation
• between channels and the backplane bus
Yes
• Between channels
in groups of
Yes
1
Permissible potential difference
• between M
internal
and inputs
230 VAC
• between inputs of different groups
500 VAC
Isolation test voltage
• between M
internal
and inputs
1500 VAC
• between inputs of different groups
2000 VAC
Current consumption
• from the backplane bus
max. 100 mA
Power loss of the module typ. 4.9 W
Status, interrupts, diagnostics
Status display green LED per channel
Interrupts None
Diagnostics functions None
Transducer selection data
Input voltage
• Rated value
• for "1" signal
• for "0" signal
• Frequency band
120/230 VAC
79 V to 264 V
0 V to 40 V
47 Hz to 63 Hz

Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)