Siemens SIMATIC S7-300 Module data Reference Manual

B-8
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Bytes 2 to 7
Byte 2
76 0
Scan time-out
54321
0
Byte 3
76 054321
Byte 4
76 054321
Byte 5
70
Channel type
79
H
: SM POS-INPUT
Number of diagnostics bits that the module
outputs per channel: 8 bits long
Byte 6
70
Number of channels of the same
type in one module: 3 channels
Byte 7
76 0
Channel error, channel 0
Channel error, channel 1
Channel error, channel 2
54321
Not relevant
0
00000
Figure B-9 Bytes 2 and 7 of the Diagnostic Data for the SM 338; POS-INPUT
Bytes 8 to 10
From byte 8 up to byte 10, data record 1 contains the channel-specific diagnostic
data. The figure below shows the assignment of the diagnostic byte for a channel
of the SM 338; POS-INPUT.
76 054321
00
Configuration/parameterization error
(internal channel error)
Encoder error (external channel error)
0000
Figure B-10 Diagnostic Byte for a Channel of the SM 338; POS-INPUT

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)