Riello Dialog Plus DLP series Specifikace stáhnout pdf (Strana 15)

SPEDLPX0205REN

DIALOG PLUS

8 - INTERFACING

> 8.1 Serial communication port

The UPS has the following communication ports (see UPS views):

- RS232 serial port

- COMMUNICATION SLOT: expansion slot for additional interface cards

RS232 serial port

The RS232 serial port enables the connection of a PC (COM port) by means of a pin-to-pin serial cable

(provided

(1)

RS232 CONNECTOR

21345

986

PIN No. SIGNAL

1 Contact closed: UPS failure/Bypass/Alarm

(2)

2 TXD

3 RXD/SD (remote shutdown)

(3)

5 GND

6 +12Vdc interface power input

7 PNP Signal

8 Contact closed: battery low pre-alarm

(2)

9 Contact closed: on battery mode

(2)

(1)

If a different cable is used, it should be a pin-to-pin type with a max length of 3 metres.

(2)

Opto-isolated contacts max. +35Vdc / 15mA.

(3)

SD: Whilst the UPS is in battery mode, the UPS will perform a complete shutdown when +5-

15Vdc is applied between PIN 3 and PIN 5 for at least 20 seconds.

Communication Slot

All Dialog Plus come with an expansion slot for the fitting of optional communication cards so that the unit is

compatible with most communication options.

Some examples:

- Serial port duplexer

- Ethernet network agent with TCP/IP, HTTP and SNMP protocols

- RS232 + RS485 port with JBUS / MODBUS protocol

For more details on the options available, visit the manufacturer’s web site.

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Riello Dialog Plus DLP series Specifikace Strana 15