UNICOM WEP-72104G-1 Instruction Manual download pdf (Page 19)

.LON 100

Hardware Guide 13

Figure 1.5

.LON 100 Server EIA-232 and RS-485 Port Terminals

Table 1.3 lists the enclosure marking for each of the EIA-232 and RS-485 port

terminals, as well as the connection type for each one.

Table 1.3

.LON 100 Server EIA-232 and RS-485 Port Connections

Screw Terminal Enclosure Marking EIA-232/RS-485

Connection

21 RTS EIA-232 RTS

22 CTS EIA-232 CTS

23 RXD EIA-232 Receive

24 TXD EIA-232 Transmit

25 GND RS-232 ground

26 Shield GND RS-485 cable shield

27 RT- RS-485 (-)

28 RT+ RS-485 (+)

Dry Contact Relay Outputs

The

.LON 100 server includes two high-voltage, high current, single pole, single

throw (SPST) relay outputs rated at 230VAC @ 10 A or 24VDC @ 10A. The

operation of the relays is under software control of the

.LON 100 server, and can

be triggered by the local software applications or by the receipt of remote

messages.

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UNICOM WEP-72104G-1 Instruction Manual Page 19