Kramer RC-74DL Руководства по эксплуатации онлайн [9/22] 139613

RC-74DL - Overview

Feature

Function

K-NET1 Connector

Connect the GND pin to the Ground connection; pin

B (-) and pin A (+) are for RS-485, and the +12V pin

is for powering the unit

The ground connection is sometimes connected to the

shield of the RS-485 cable (in most applications, it is

not connected)

K-NET2 Connector

Connect the GND pin to the Ground connection

(see Section 4.3; pin B (-) and pin A (+) are for

RS-485, and the +12V pin is for powering the unit

Ring Tongue Terminal Grounding

Screw

Connect to grounding wire (optional), (see

Section 4.3)

GP I/O Terminal Blocks (1 and 2)

Connect to various sensors, switches, LEDs, or

relays

Rel (Relay) Terminal Blocks

Connect to low-voltage relay-driven devices (from 1

to 4)

Switch

For internal factory use only

RS-485 Termination Switch

Slide down for RS-485 termination with 120; slide

up for no RS-485 Line Termination

The first and the last units on the RS-485 line should

be terminated (ON). Other units should be

unterminated (OFF)

RS-485 Terminal Block Connector

Connect to the RS-485 detachable terminal block

on a switcher or PC

RS-232 Terminal Blocks

Connect to the RS-232 devices (from 1 to 3)

IR Output Terminal Blocks

Connect to IR emitter cables (from 1 to 2)