Siemens Server Manual de usuario descargar pdf (Pagina 11)

Overview of ChemWeb Server

CompactFlash slot (CF)

The CompactFlash slot is used as memory for programs and data and can operate commercial

CompactFlash cards with corresponding driver software as external drive. For this purpose, the card

should be formatted with the FAT file system. It is possible to use CF cards with a capacity of 64, 128

or 256MB.

LED displays

Versions: serial / analog modem / ISDN modem

Power (green) Device is ready-to-operate / supply voltage applied

OH (yellow)

Modem has gone off-hook and set up a connection to the telephone

network

DCD (yellow) Data connection is established

COM 1 RxTx (green)

Activity on Receive/Transmit data lines to RS232 parameterization port

(COM 1 – null modem) or to internal modem

W&T bus RxTx (yellow)

Activity on Receive/Transmit data lines to RS232/485 application port

(COM 0 - W&T-RS485 / W&T-RS232)

Network (yellow) Activity on network line (Ethernet)

Status (green)

LED lights:

ChemWeb Server in normal operation without malfunction

LED does not light:

ChemWeb Server not working – internal malfunction in program flow

Reset by disconnecting the supply voltage or by pressing the Reset

key for at least 3 seconds.

LED flashes with 1Hz:

Connection and log-in carried out successfully via modem

LED flashes with 2Hz:

Fault at RS485 bus – communication failure

CF Activity (yellow) Activity of CompactFlash slot

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Siemens Server Manual de usuario Pagina 11