Promag CON-485 Series Instrucciones de operaciones Pagina 21

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Memo-Graph S 4 Wiring
Endress+Hauser 21
4.3 Connecting a device to the Ethernet (TCP/IP)
In principle, all devices equipped with an internal Ethernet interface can be integrated into a PC
network (TCP/IP Ethernet).
The device(s) can be accessed by any of the PCs in the network using PC software. It is not necessary
to install driver software ("COM redirection") on the PC because the PC software has direct access
to the Ethernet.
The system parameters "IP address", "Subnet mask" and "Gateway" are input directly at the device.
Changes to the system parameters are not activated until the SETUP menu is closed and the settings
accepted. Only then will the device work with the new settings.
!
Note!
It is not possible for several clients (PC) to communicate with a server (device) at the same time. If
a second client (PC) tries to establish a connection, he receives an error message.
4.3.1 Ethernet connection
An IEEE 802.3 compatible connector on a screened RJ45 plug on the rear side of the device is avai-
lable as a network connection. The device can be connected to a hub or switch via this connection.
The pin assignment corresponds to a standard MDI interface (AT&T258), so that a 1:1 cable with a
maximum length of 100 metres can be used here.
Figure 5: RJ45 socket (pin assignment AT&T256)
Meaning of the LED’s
There are three LEDs next to the Ethernet connections. These indicate the status of the Ethernet
interface.
Yellow LED: When the device is transmitting data it flashes irregularly, otherwise is continuously
on.
Green LED: When the device is receiving data it flashes irregularly, otherwise is continuously on.
Red LED: Is on when the device is connected to a network. If this LED is not illuminated then com-
munication is impossible.
The following standards are supported:
10BaseT, 10 MBit/s
The devices function according to the 10BaseT standard with 10MBit/s. It is, however, also pos-
sible to integrate the device into a 100BaseTx network via an auto-sensing hub or switch. This kind
of auto-sensing component sets itself automatically to the transmission rates supported by the end
device.
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