Siemens SIMATIC S7-300 Module data Reference Manual

A-32
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Structure of data record 128
Figure shows the structure of data record 128 for the parameters of the isolated
analog input module SM 331; AI 8 x 16 bits.
Byte 0
Bit number76 543210
Byte 1
Module mode (see Table A-24)
Interference
frequency suppression
Channel group 0
Channel group 1
Channel group 2
Channel group 3
Refer to Table A-25
Byte 2
Measuring method, channel group 0
(refer to Table A-26)
Byte 3
Measuring range, channel group 0
(refer to Table A-26)
Byte 4
Smoothing, channel group 0
(refer to Table A-12)
Byte 5
Measuring method, channel group 1
(refer to Table A-26)
Byte 6
Measuring range, channel group 1
(refer to Table A-26)
Byte 7
Smoothing, channel group 1
(refer to Table A-12)
Figure A-14 Data record 128 for parameters of the SM 331; AI 8 x 16 bits

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)