1Ex2II
, 12.2.020-76 . . . . 51330.0-99-51330.20-99 , .
-1 (1 , 2- )
-Ex 51330.0-99-51330.20-99 (
-2
-II
-
2 :- ; -
( )
VS |
V2 |
V1 |
+12 |
-12 |
50 |
15 |
5 |
1)
2) / ( )
:
5) (Modbus, Profibus, ..)
, , . , . , .
:
- ;
- ;
- .
: , , . -:
|
|
- DDP (DatagramDeliveryProtocol ). Apple, AppleTalk.
- IP (Internet Protocol Internet). TCP/IP, .
. -:
- NetBIOS ( ). NetBIOS , NetBEUI .
- TCP (TransmissionControlProtocol ). TCP/IP, .
. .
- AFP (Apple Talk File Protocol Apple Talk). Macintosh.
- HTTP (HyperTextTransferProtocol) .
Modbus - , - . Modicon (PLC). RS-485, RS-422, RS-232 , TCP/IP.
, Modbus, . - . SCADA/HMI .
(master), (slave). . (master) . 247 (slave).
Modbus .
TCP/IP (master) (slave). , .
Modbus TCP/IP.
Modbus
Modbus : RTU ASCII.
ASCII , ASCII . . ( ) .
RTU 2 . . RTU . . 19200 / 1 1400 ( 126 ) 40 ( ).
|
|
Frame ()
↔
↔
↔
↔
↔
PROFIBUS (PROcessFIeld BUS) . 1, 2 7 OSI-. PROFIBUS Master/Slave . 122 , 32 Master-. 0 . Master- , / . , -. . . 9,6-12 000 /.
. . - ( ). ( , ). PROFIBUS . : PROFIBUS-FMS, PROFIBUS-DP PROFIBUS-PA.
PROFIBUS-FMS . , . - .
, , , . PROFIBUS-DP (, 512 , 32 , 6 ).
PROFIBUS-PA - DP- , RS-485, IEC1158-2 . 4-20. , , .
PROFIBUS-DP . Siemens (.1.8). S7-300 S7-400 PROFIBUS-DP, .
. 1.8. SimaticS7 Profibus-DP.