Siemens SIMATIC S7-300 Module data User Manual

Digital modules
3.10 Digital input module SM 321; DI 16 x 24 VDC; with hardware and diagnostic interrupts (6ES7321-7BH01-
0AB0)
S7-300 Automation System Module data
3-24 Manual, 08/2006, A5E00105505-04
Technical data
Number of simultaneously controlled inputs
• horizontal mounting position
up to 60 °C
16
• vertical mounting position
up to 40 °C
16
Electrical isolation
• between channels and the backplane bus
• between channels
– in groups of
Yes
16
Permissible potential difference
• between different circuits
75 VDC / 60 VAC
Isolation test voltage 500 VDC
Current consumption
• from the backplane bus
max. 130 mA
• from load voltage L + (without encoder supply V
S
)
max. 90 mA
Power loss of the module typ. 4 W
Status, interrupts, diagnostics
Status display
• Inputs
green LED per channel
• Encoder supplies (Vs)
green LED per output
Interrupts
• Hardware interrupt
• Diagnostic interrupt
programmable
programmable
Diagnostics functions programmable
• Group error display
red LED (SF)
• Reading diagnostics information
supported
Monitoring of
• Wirebreak
yes, sensing I < 1 mA
Encoder supply outputs
Number of outputs 2
Output voltage
• on load
min. L+ (- 2.5 V)
Output current
• Rated value
• Permissible range
120 mA
0 mA to 150 mA
Additional (redundant) supply supported
Short-circuit protection Yes, electronic
Transducer selection data
Input voltage
• Rated value
• for "1" signal
• for "0" signal
24 VDC
13 V to 30 V
-30 V to +5 V

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)