I. GIỚI THIỆU VỀ PLC S7-1200 SIEMENS
– Bộ lập trình PLC S7-1200 Siemens ra đời vào năm 2009 dùng để thay thế dần cho PLC S7-200. So với dòng PLC S7-200 thì PLC S7-1200 có những tính năng mới nổi trội hơn.
– PLC S7-1200 được thiết kế nhỏ gọn, chi phí thấp với những tập lệnh mạnh giúp giải pháp hoàn hảo hơn cho những ứng dụng sử dụng PLC S7-1200
– PLC S7-1200 hỗ trợ chuẩn Ethernet và TCP/IP
Các thành phần của PLC S7-1200 bao gồm:
Bộ điều khiển chính CPUs gồm:
Bộ lập trình S7-1200 (CPU 1211C, CPU 1212C, CPU 1214C, CPU 1215C, CPU 1217C)
Mô đun và Signal board mở rộng:
+ Board mở rộng cho CPU S7-1200: Signal board Digital (input, outputs, input/output), Signal board Analog (input, outputs)
+ Mô đun mở rộng cho CPU S7-1200: Mô đun Digital (input, outputs, input/output), mô đun Analog (input, outputs, input/output)
– Mô đun truyền thông PROFIBUS DP S7-1200, mô đun Modbus S7-1200, mô đun GPRS kết nối GSM / GPRS cho điện thoại di động …
– Mô đun Switch mở rộng cổng Ethernet cho CPU S7-1200
– Mô đun nguồn PLC S7-1200 PM1207 power supply input 115/230VAC, output 24VDC 2.5A
Ứng dụng:
Ứng dụng trong công nghiệp và dân dụng như:
Điều khiển hệ thống băng tải, điều khiển đèn chiếu sáng, máy đóng gói, máy in, máy dệt, trạm trộn bê tông, hệ thống nhà thông minh, hệ thống rửa xe tự động, máy sản xuất dược phẩm…
II. CÁC DÒNG CPU VÀ MÔ ĐUN S7-1200 SIEMENS
CÁC DÒNG CPU S7-1200
STANDARD CPUs S7-1200
S7-1200 – CPU 1211C
3 different variants available
CPU 1211 DC/DC/DC
CPU 1211 DC/DC/Relay
CPU 1211 AC/DC/Relay
50 KB work memory / 1 MB Load memory
3 fast counters (100 kHz)
6 DI /4 DQ integrated
Expandable by
– 1 signal board (SB)
S7-1200 – CPU 1212C
More memory, more integrated IOs and more expansion possibilities in comparison to CPU 1211C
3 different variants available
CPU 1212 DC/DC/DC
CPU 1212 DC/DC/Relay
CPU 1212 AC/DC/Relay
75 KB work memory / 2 MB Load memory
4 fast counters (three with max. 100 kHz; one with max. 30 kHz)
8 DI /6 DQ and 2 AI integrated
Expandable by:
– 1 signal board (SB)
– 2 signal modules (SM)
– 3 communication modules (CM)
S7-1200 – CPU 1214C
More memory, more integrated IOs and more expansion possibilities in comparison to CPU 1212C
3 different variants available
CPU 1214 DC/DC/DC
CPU 1214 DC/DC/Relay
CPU 1214 AC/DC/Relay
100 KB work memory / 4 MB Load memory
6 fast counters (three with max. 100 kHz; 3 with max. 30 kHz)
With 14 DI /10 DQ and 2 AI integrated
Expandable by:
– 1 signal board (SB)
– 8 signal modules (SM)
– 3 communication modules (CM)
S7-1200 – CPU 1215C
More memory, additional Ethernet port and analog outputs in comparison to CPU 1214C
3 different variants available
CPU 1215 DC/DC/DC
CPU 1215 DC/DC/Relay
CPU 1215 AC/DC/Relay
125 KB work memory / 4 MB Load memory
6 fast counters (three with max. 100 kHz; 3 with max. 30 kHz)
2 Industrial Ethernet ports with integrated switch
With 14 DI /10 DQ and 2 AI/2 AQ integrated
Expandable by:
– 1 signal board (SB)
– 8 signal modules (SM)
– 3 communication modules (CM
S7-1200 – CPU 1217C
More memory , faster counters than CPU 1215C
available as CPU 1217 DC/DC/DC
150 KB work memory / 4 MB Load memory
6 fast counters with max. 1MHz
2 Industrial Ethernet ports with integrated switch
With 14 DI /10 DQ and 2 AI/2 AQ integrated
Expandable by:
– 1 signal board (SB)
– 8 signal modules (SM)
– 3 communication modules (CM)
FAILSAFE CPUS S7-1200
S7-1200 – CPU 1212FC
2 different variants available
CPU 1212FC DC/DC/DC
CPU 1212FC DC/DC/Relais
100 KB work memory / 2 MB Load memory
4 fast counters with max. 100 kHz
With 8 DI /6 DQ and 2 AI integrated
Expandable by:
– 1 signal board (SB)
– 2 standard or failsafe signal modules (SM)
– 3 communication modules (CM)
S7-1200 – CPU 1214FC
More memory and more expansion possibilities in comparison to CPU 1212FC
2 different variants available
CPU 1214FC DC/DC/DC
CPU 1214FC DC/DC/Relais
125 KB work memory / 4 MB Load memory
6 fast counters with max. 100 kHz
With 14 DI /10 DQ and 2 AI integrated
Expandable by:
– 1 signal board (SB)
– 8 standard or failsafe signal modules (SM)
– 3 communication modules (CM)
S7-1200 – CPU 1215FC
More memory, an additional Ethernet port and analog outputs in comparison to CPU 1214FC
2 different variants available
CPU 1215FC DC/DC/DC
CPU 1215FC DC/DC/Relais
150 KB work memory / 4 MB Load memory
6 fast counters with max. 100 kHz
2 Industrial Ethernet ports with integrated switch
With 14 DI /10 DQ and 2 AI/2AQ integrated
Expandable by:
– 1 signal board (SB)
– 8 standard or failsafe signal modules (SM)
– 3 communication modules (CM)
SIGNAL MODULES S7-1200
Signal Boards
| Module | Article No. |
| SB 1221 – Digital Inputs | |
| SB 1221 DI 4 x 5V DC 200 KHz | 6ES7221-3AD30-0XB0 |
| SB 1221 DI 4 x 24V DC 200 KHz | 6ES7221-3BD30-0XB0 |
| SB 1222 – Digital Outputs | |
| SB 1222 DQ 4 x 5V DC 200 KHz | 6ES7222-1AD30-0XB0 |
| SB 1222 DQ 4 x 24V DC 200 KHz | 6ES7222-1BD30-0XB0 |
| SB 1223 Digital I/O | |
| SB 1223 DI 2 x 5V DC / DQ 2 x 5 V DC 200 KHz | 6ES7223-3AD30-0XB0 |
| SB 1223 DI 2 x 24V DC / DQ 2 x 24 V DC 200 KHz | 6ES7223-3BD30-0XB0 |
| SB 1223 DI 2 x 24V DC / DQ 2 x 24 V DC | 6ES7223-0BD30-0XB0 |
| SB 1231 – Analog inputs | |
| SB 1231 AI 1 x 13 bit analog input (voltage/current) | 6ES7231-4HA30-0XB0 |
| SB 1231 T 1 x 15 Bit analog input (thermocouple) | 6ES7231-5QA30-0XB0 |
| SB 1231 RTD 1 x 15 Bit analog input (resistance) | 6ES7231- 5PA30-0XB0 |
| SB 1232 – Analog outputs | |
| SB 1232 AQ 1 x 13 bit analog output (voltage/current) | 6ES7232-4HA30-0XB0 |
Digital IOs
| Module | Article No. |
| SM 1221 – Digital input modules | |
| SM 1221 DI 8 x 24 V-DC input | 6ES7221-1BF32-0XB0 |
| SM 1221 DI 16 x 24 V-DC input | 6ES7221-1BH32-0XB0 |
| SM 1222 – Digital output modules | |
| SM 1222 DQ 8 x 24 V-DC output | 6ES7222-1BF32-0XB0 |
| SM 1222 DQ 16 x 24 V-DC output | 6ES7222-1BH32-0XB0 |
| SM 1222 DQ RLY 8 x relay output | 6ES7222-1HF32-0XB0 |
| SM 1222 DQ RLY 16 x relay output | 6ES7222-1HH32-0XB0 |
| SM 1222 DQ RLY 8 x relay output changeover | 6ES7222-1XF32-0XB0 |
| SM 1223 – Digital hybrid modules | |
| SM 1223 DI/DQ 8 x 24 V-DC input / 8 x 24 V-DC-output | 6ES7223-1BH32-0XB0 |
| SM 1223 DI/DQ 16 x 24 V DC input /16 x 24 V DC output | 6ES7223-1BL32-0XB0 |
| SM 1223 DI/DQ 8 x 24 V-DC input / 8 x relay output | 6ES7223-1PH32-0XB0 |
| SM 1223 DI/DQ 16 x 24 V-DC input / 16 x relay output | 6ES7223-1PL32-0XB0 |
| SM 1223 DI/DQ 8 x 120/230 V-AC input / 8 x relay output | 6ES7223-1QH32-0XB0 |
Analog IO modules
| Module | Article No. |
| SM 1231 – Analog input modules | |
| SM 1231 AI 4 x 13 bit analog input (voltage/current) | 6ES7231-4HD32-0XB0 |
| SM 1231 AI 8 x 13 bit analog input (voltage/current) | 6ES7231-4HF32-0XB0 |
| SM 1231 AI 4 x 16 bit analog input (voltage/current) | 6ES7231-5ND32-0XB0 |
| SM 1231 AI RTD 4 x 16 bit analog input (resistance) | 6ES7231-5PD32-0XB0 |
| SM 1231 AI RTD 8 x 16 bit analog input (resistance) | 6ES7231-5PF32-0XB0 |
| SM 1231 AI TC 4 x 16 bit analog input (thermocouple) | 6ES7231-5QD32-0XB0 |
| SM 1231 AI TC 8 x 16 bit analog input (thermocouple) | 6ES7231-5QF32-0XB0 |
| SM 1232 – Analog output modules | |
| SM 1232 DC 2 x 14 bit analog output (voltage/current) | 6ES7232-4HB32-0XB0 |
| SM 1232 DC 4 x 14 bit analog output (voltage/current) | 6ES7232-4HD32-0XB0 |
| SM 1234 – Analog hybrid modules | |
| SM 1234 DC/DC 4 x 13 bit analog input / 2 x 14 bit analog output (voltage/current) | 6ES7234-4HE32-0XB0 |
| SM 1238 – Energy Meter 480VAC | |
| SM1238 Energy Meter Module for recording in 1- and 3-phase networks (TN, TT) up to 480 V AC; ampere current: 1 A, 5 A | 6ES7238-5XA32-0XB0 |
Failsafe digitale module SM1226
| Module | Article No. |
| SM 1226 F-DI 16 x 24 VDC | 6ES7226-6BA32-0XB0 |
| SM 1226 F-DQ 4 x 24 VDC, 4 x 2A | 6ES7226-6DA32-0XB0 |
| SM 1226 F-DQ 2 x Relay, 2 x 5A, 30VDC/250V AC | 6ES7226-6RA32-0XB0 |
COMMUNICATION MODULES AND BOARDS S7-1200
Simple Communication Modules and boards
| Module | Article No. |
| CM 1241 RS232 | 6ES7241-1AH32-0XB0 |
| CM 1241 RS422/485 | 6ES7241-1CH32-0XB0 |
| CB 1241 RS485 | 6ES7241-1CH30-1XB0 |
| RF120C RS422 | 6GT2002-0LA00 |
PROFIBUS Modules
| Module | Article No. |
| CM 1242-5 DP slave | 6GK7242-5DX30-0XE0 |
| CM 1243-5 DP master | 6GK7243-5DX30-0XE0 |
TeleControl Basic
| Module | Article No. |
| CP 1242-7 GPRS | 6GK7242-7KX31-0XE0 |
| CP 1243-7 LTE (European frequency range) | 6GK7243-7KX30-0XE0 |
| CP 1243-7 LTE (American frequency range) | 6GK7243-7SX30-0XE0 |
| CP 1243-1 | 6GK7243-1BX30-0XE0 |