Siemens SIMATIC User Manual

Digital modules
3.6 Digital input module SM 321; DI 64 x DC 24 V, sinking/sourcing; (6ES7321-1BP00-0AA0)
S7-300 Module data
66 Manual, 06/2017, A5E00105505-AJ
Technical specifications of SM 321; DI 64 x DC 24 V, Sinking/Sourcing
Technical specifications
Dimensions and weight
Dimensions (W x H x D) (mm) 40 x 125 x 112 (including protective barrier, re-
quired for connections which are not in use)
Weight
ca. 230 g
Module-specific data
Supports isochronous mode
No
Number of inputs
64
Cable length
• Unshielded
• Shielded
max. 600 m
max. 1000 m
Voltages, currents, electrical potentials
Number of simultaneously controlled inputs
• Horizontal installation
to 40 °C
to 60 °C
• Vertical installation
to 40 °C
64
32 (50% derating per group)
32 (50% derating per group)
Electrical isolation
• between channels and the backplane bus
• Between channels
in groups of
Yes
Yes
16
Isolation test voltage
500 VDC
Current consumption
• from the backplane bus
Max. <100 mA
Power loss of the module
Typ. 7 W
Status, interrupts, diagnostics
Status display
Green LED (per channel)
Interrupts
none
Diagnostic functions
none

Siemens SIMATIC Specifications

General

Product type designation	SIMATIC
CPU	Varies by model
Memory	Varies by model
Input/Output	Varies by model
Communication	Varies by model
Programming Language	STEP 7
Operating Temperature	0°C to 60°C (varies by model)
Protection Class	IP20
Category	Programmable Logic Controller (PLC)