Siemens SIMATIC S7-300 Module data User Manual

Digital modules
3.6 Digital input module SM 321; DI 32 x DC 24 V; (6ES7321-1BL00-0AA0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
3-13
Terminal assignment of SM 321; DI 32 x DC 24 V
The figure below shows the channel addressing (input byte x up to input byte x+3).
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Technical data of SM 321; DI 32 x DC 24 V
Technical data
Dimensions and weight
Dimensions W x H x D (mm) 40 x 125 x 120
Weight approx. 260 g
Module-specific data
Isochronous mode supported No
Number of inputs 32
Cable length
• unshielded
• shielded
max. 600 m
max. 1000 m
Front connector 40-pin
Voltages, currents, electrical potentials
Number of simultaneously controlled inputs
• horizontal mounting position
up to 40 °C
up to 60 °C
• vertical mounting position
up to 40 °C
32
16
32
Electrical isolation
• between channels and the backplane bus
• between channels
– in groups of
Yes
Yes
16
Permissible potential difference
• between different circuits
75 VDC / 60 VAC
Isolation test voltage 500 VDC
Current consumption
• from the backplane bus
max. 15 mA
Power loss of the module typ. 6.5 W

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)