Siemens Simatic S7 Series System Manual

Technical specifications
A.3 Digital inputs and outputs expansion modules (EMs)
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
603
A.3
Digital inputs and outputs expansion modules (EMs)
A.3.1
EM DE08 digital input specifications
Table A- 65 General specifications
Model
EM Digital 8 x Inputs (EM DE08)
Article number
6ES7 288-2DE08-0AA0
Dimensions W x H x D (mm) 45 x 100 x 81
Weight
141.4 grams
Power dissipation 1.5 W
Current consumption (SM Bus)
105 mA
Current consumption (24 V DC)
4 mA / input used
Table A- 66 Digital inputs
Model
EM Digital 8 x Inputs (EM DE08)
Number of inputs
8
Type
Sink/Source (IEC Type 1 sink)
Rated voltage
24 V DC at 4 mA, nominal
Continuous permissible voltage
30 V DC, max.
Surge voltage
35 V DC for 0.5 sec.
Logic 1 signal (min.)
15 V DC at 2.5 mA
Logic 0 signal (max.)
5 V DC at 1 mA
Isolation (field side to logic)
500 V AC for 1 minute
Isolation groups
2
Filter times
0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8 ms (selectable in groups of 4)
Number of inputs on simultane-
ously
8
Cable length (max.), in meters Shielded: 500 m normal inputs
Unshielded: 300 m normal inputs

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.