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
S7-300 Automation System Module data
3-28 Manual, 08/2006, A5E00105505-04
Assigning interrupt parameters to channel groups
The table below shows which channels you can group for interrupt processing.
You will need the channel group number to set the SFC parameters in the user program.
Table 3-9 Assigning interrupt parameters to the inputs of SM 321; DI 16 x DC 24 V
Parameter... configurable in the following channel
groups
Channel group number
Hardware interrupt (triggered by positive, negative, or
both edges)
0 and 1
2 and 3
4 and 5
6 and 7
8 and 9
10 and 11
12 and 13
14 and 15
0
1
2
3
4
5
6
7
Diagnostic interrupt
for missing encoder supply
0 to 7
8 to 15
-
Diagnostic interrupt
for wire-break
0 and 1
2 and 3
0
1
:
Tolerances of the programmable input delays
Table 3-10 Tolerances of the input delays at SM 321; DI 16 x DC 24 V
Programmed input delay Tolerance
0.1 ms 60 μs to 140 μs
0.5 ms 400 ms to 900 ms
3 ms (default) 2.6 ms to 3.3 ms
15 ms 12 ms to 15 ms
20 ms 17 ms to 23 ms
See also
Programming digital modules (Page 3-8)
(6ES7321-7BH01-0AB0)

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)