Siemens Simatic RTU303xC Series Operating Instructions Manual page 13

5.10 Switch and relay blocks ........................................................................................................ 315
5.10.1 Latching relays ...................................................................................................................... 315
5.10.2 Current impulse relay ............................................................................................................ 317
5.10.3 Wiping relay .......................................................................................................................... 319
5.10.4 Time relay ............................................................................................................................. 321
5.11 Other blocks .......................................................................................................................... 323
5.11.1 Operating state ..................................................................................................................... 323
6 Diagnostics and maintenance ............................................................................................................. 325
6.1 Diagnostics options ............................................................................................................... 325
6.2 Error detections for Telecontrol, e-mails and FTP ................................................................ 327
6.3 Loading firmware .................................................................................................................. 329
6.4 Resetting to factory settings ................................................................................................. 329
6.5 Replacing the RTU ................................................................................................................ 331
6.6 Batteries: Replacement, recycling and disposal ................................................................... 332
7 Technical data .................................................................................................................................... 335
A Approvals ............................................................................................................................................ 341
B Dimension drawings ............................................................................................................................ 349
C Accessories ........................................................................................................................................ 351
C.1 Battery module ...................................................................................................................... 351
C.1.1 Battery module and battery expansion module .................................................................... 351
C.1.2 Battery ................................................................................................................................... 356
C.2 Extension Board .................................................................................................................... 358
C.2.1 EXTENSION BOARD HART / RS485 .................................................................................. 358
C.3 SD card / SMC ...................................................................................................................... 361
C.3.1 Compatible SD cards ............................................................................................................ 361
C.3.2 SIMATIC S7 Memory Card (SMC) ........................................................................................ 362
C.4 Antennas and accessories .................................................................................................... 363
C.4.1 Antenna ANT896-4ME .......................................................................................................... 363
C.4.2 Antenna ANT794-4MR.......................................................................................................... 363
C.4.3 Antenna ANT895-6ML (RTU3031C) ..................................................................................... 364
C.4.4 Antenna accessories, screw connections ............................................................................. 365
C.5 Router SCALANCE M ........................................................................................................... 368
C.6 Protective housing ................................................................................................................ 370
C.6.1 Aluminum protective housing ................................................................................................ 370
C.6.2 Stainless steel protective housing ........................................................................................ 372
C.7 Overvoltage protection modules ........................................................................................... 374
C.7.1 Overvoltage protection module for the antenna cable .......................................................... 374
C.7.2 Overvoltage protection modules for supply and signal cables ............................................. 375
RTU303xC
Operating Instructions, 06/2019, C79000-G8976-C382-06
Table of contents
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