Siemens Simatic S7 Series System Manual

Technical specifications
A.4 Analog inputs and outputs expansion modules (EMs)
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
619
Table A- 96 Analog inputs
Model
EM 2 x Analog Inputs / 1 x Analog Out-
puts (AM03)
EM 4 x Analog Inputs / 2 x Analog Outputs
(AM06)
Number of inputs
2
4
Type Voltage or current (differential): Se-
lectable in groups of 2
Voltage or current (differential): Selectable
in groups of 2
Range
±10 V, ±5 V, ±2.5 V, or 0 to 20 mA
±10 V, ±5 V, ±2.5 V, or 0 to 20 mA
Full scale range (data word)
-27,648 to 27,648
-27,648 to 27,648
Overshoot/undershoot range
(data word)
Voltage: 27,649 to 32,511 / -27,649 to -
32,512 Current: 27,649 to 32,511 / -
4,864 to 0
Voltage: 27,649 to 32,511 / -27,649 to -
32,512
Current: 27,649 to 32,511 / -4,864 to 0
Overflow/underflow (data word) Voltage: 32,512 to 32,767 / -32,513 to -
32,768 Current: 32,512 to 32,767 / -
4,865 to -32,768
Voltage: 32,512 to 32,767 / -32,513 to -
32,768
Current: 32,512 to 32,767 / -4,865 to -
32,768
Resolution Voltage mode: 12 bits + sign
Current mode: 12 bits
Voltage mode: 12 bits + sign
Current mode: 12 bits
Maximum withstand volt-
age/current
±35 V / ±40 mA ±35 V / ±40 mA
Smoothing
None, weak, medium, or strong
None, weak, medium, or strong
Noise rejection
400, 60, 50, or 10 Hz
400, 60, 50, or 10 Hz
Input impedance
≥9 M Ω
≥9 M Ω
Isolation (field side to logic)
None
None
Accuracy (25°C / 0 to 55°C) Voltage mode: ±0.1% /±0.2% of full scale
Current mode: ±0.2% /±0.3% of full scale
Voltage mode: ±0.1% /±0.2% of full scale
Current mode: ±0.2% /±0.3% of full scale
Analog to digital conversion time
625 μs (400 Hz rejection)
625 μs (400 Hz rejection)
Common mode rejection 40 dB, DC to 60 Hz 40 dB, DC to 60 Hz
Operational signal range Signal plus common mode voltage must
be less than +12 V and greater than
-12 V
Signal plus common mode voltage must be
less than +12 V and greater than -12 V
Cable length (max.), in meters
100 m twisted and shielded
100 m twisted and shielded

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.