Siemens Simatic S7 Series User Manual

72
Review Answers
Review 1 1) a: input module, b: CPU, c: output module, d: programming
device, e: operator interface; 2) 2; 3) 16; 4) 1010, 0001 0000, A.
Review 2 1) discrete; 2) discrete; 3) CPU; 4) Ladder logic; 5) Statement
list, function block diagrams; 6) scan; 7)1024; 8) firmware;
9) RS-485.
Review 3 1) CPU 221, CPU 222, CPU 224, CPU 224XP, CPU 224XPsi,
CPU 226; 2) b; 3) 2, 7; 4) 8, 6; 5) 14, 10; 6) Q0.3; 7) DIN.
Review 4 1) a: box, b: normally open contact, c: coil;
2) AND Function - a: 0, b: 0, c: 0, d: 1,
OR Function - e: 0, f: 1, g: 1, h: 1;
3) I0.1, I0.0, Q0.0.
Review 5 1) 224XP; 2) On-Delay Timer (TON), Retentive On-Delay Timer
(TONR), Off-Delay Timer (TOF) ; 3) 3276.7 seconds;
4) Retentive On-Delay Timer (TONR); 5) On-Delay Timer (TON),
Off-Delay Timer (TOF), Pulse Timer (TP)
.
Review 6 1) Count Up Counter (CTU), Count Down Counter (CTD), Count
Up/Down Counter (CTUD); 2) 4, 6; 3) PTO/PWM generators;
4) CP 243-1, CP 243-1 IT; 5) EM 277 PROFIBUS-DP
6) CP 243-2 AS-Interface Master; 7) 4, 8; 8) 2, 4.
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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.