Siemens Simatic S7 Series System Manual

Technical specifications
A.5 Thermocouple and RTD expansion modules (EMs)
S7-200 SMART
636 System Manual, 09/2015, A5E03822230-AC
Table A- 122 Wiring diagrams for the EM AR02 RTD 2 x 16 bit (6ES7 288-3AR02-0AA0) and EM
AR04 RTD 4 x 16 bit (6ES7 288-3AR04-0AA0)
EM AR02 RTD 2 x 16 bit
(6ES7 288-3AR02-0AA0)
EM AR04 RTD 4 x 16 bit
(6ES7 288-3AR04-0AA0)
Note: Connectors must be gold. See Appendix F, Spare parts and other hardware, for article number.
①
Loop-back unused RTD inputs
② 2-wire RTD ③ 3-wire RTD ④ 4-wire RTD
Note: Connectors must be gold. See Appendix F, Spare parts and other hardware for article number.
Table A- 123 Connector pin locations for EM AR02 RTD 2 x 16 bit (6ES7 288-3AR02-0AA0)
Pin
X10 (gold)
X11 (gold)
1
L+ / 24 V DC
No connection
2
M / 24 V DC
No connection
3
Functional Earth
No connection
4
AI 0 M+/RTD
AI 1 M+/RTD
5
AI 0 M-/RTD
AI 1 M-/RTD
6 AI 0 I+/RTD AI 1 I+/RTD
7
AI 0 I-/RTD
AI 1 I-/RTD

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.