With the novaNet connection from the moduNet292 to an automation station (AS), the maximum extended novaNet network time constant must not exceed 120 µs. This means that a segment of a novaNet cable may have a maximum time constant of 30 µs (max. 300 Ω / 200 nF).
When using a moduNet292, a resistance of 1000 Ω (¼ W, 10%) should also be implemented, if it is not already there, at a position in the novaNet between a and b This is done to reduce the interference effects of incorrectly installed novaNet communication subscribers (e.g. lack of connection to the protective earth) or interference-sensitive wiring.
The Ethernet connection of the moduNet292 is a 10Base-T connection and can be used with standard Ethernet cables, preferably CAT-5.
10Base-T (IEEE 802.3i) runs via four wires (two twisted pairs) of a CAT-3 or CAT-5 cable. A hub or switch is located in the middle and has a port for each subscriber. The transmission speed is 10MBit/s and the maximum length of a segment is 100 m.
Specifications | |
Model | EY-BU292F002 |
Power | 230 VAC |
Ethernet | 1 × RJ-45 socket, 10 Mbit/s (10 Base-T) |
RS-232 serial port | 1 × DB-9 (male) as per DTE (57k6, 8n1) |
TCP/IP address | 192.168.10.20 |
Subnet mask | 255.255.255.0 |
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