Description
SIMATIC S7-1200, Communication Board CB 1241, RS485 Overview :-
For quick, high-performance serial data exchange via point-to-point connection
Implemented protocols: ASCII, USS drive protocol, Modbus RTU, 3964(R)
Simple parameterization with STEP 7 B
Function :-
ASCII:
- The interface handshake signals can be called and controlled via the user program.
Modbus:
- For communication according to the Modbus protocol with RTU format:
Modbus Master:
- Master-slave interfacing with SIMATIC S7 as master.
Modbus slave:
- master-slave interfacing with SIMATIC S7 as slave; message frame traffic from slave to slave not possible.
SIMATIC S7-1200, Analog Input-Output SB1231/ SB1232/ CM1241 Models :-
| MLFB | DESCRIPTION |
| 6ES72233BD300XB0 | SB 1223, 2DI/2DQ, 24VDC 200KHZ |
| 6ES72324HA300XB0 | SB 1232, 1 AO, +/- 10VDC (12 BIT RES.) OR 0 - 20 MA (11 BIT RES) |
| 6ES72314HA300XB0 | SB 1231, 1 AI, +/- 10V DC (12 BIT RES.) OR 0 - 20 MA |
| 6ES72315PA300XB0 | SB 1231 RTD, 1 AI RTD, 1 CHANNEL, PT 100 AND PT1000 |
| 6ES72315QA300XB0 | SB 1231 T, 1 X AI THERMOCOUPLE, TYPE J OR K |
| 6ES72411AH320XB0 | CM 1241, RS232, 9 PIN SUB D (MALE), SUPPORTS MESSAGE BASED FREEPORT |
| 6ES72411CH320XB0 | CM 1241, RS422/485, 9 PIN SUB D (FEMALE) SUPPORTS MESSAGE BASED FREEPORT |
| 6ES72411CH301XB0 | CB 1241, RS485, SCREW CONNECTOR SUPPORTS MESSAGE BASED FREEPORT |
| 6ES72970AX300XA0 | BATTERY BOARD BB 1297 FOR LONG-TERM BACKUP OF THE REALTIME CLOCK |
| 6ES72741XF300XA0 | SIM 1274, FOR CPU 1211/1212 8 CHANNEL SIMULATOR DC 24V |
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