Bosch LTC 7490 Betriebsanleitung PDF herunterladen (Seite 11)

2. Make the applicable wiring connections in accordance

with the Connecting Line Power, Connecting Biphase

Signal Cable, Connecting RS-232 / RS-485 Signal Cable,

Connecting Video Cable, Connecting AutoTracker,

Connecting Alarm Sections (FIGURE 16 through

FIGURE 19).

Figure 16 Connector Installation

4.7.1 CONNECTING LINE POWER

(see WIRING GUIDE in this section)

Make the power line connections to the power

connector as follows:

1. Unplug the connector (FIGURE 17) from the

backbox.

Figure 17 Power Connector

2. Connect the neutral wire to the NEUT terminal,

and the line wire to the LINE terminal using a

flat-blade screwdriver. N/C is not used.

3. When power is applied, a red LED will light.

Wiring Guide*

*Ifconnected to an AutoTracker, the camera must be

within 15 meters (50 feet) of the AutoTracker.

4.7.2 CONNECTING BIPHASE SIGNAL CODE

1. If the camera is being connected to an

AutoTr acker, go to SECTION 4.7.3.

2. Unplug the connector (FIGURE 18) from the

backbox.

Figure 18 Biphase / RS-232 / RS-485 Connector

3. Identify the (+) phase, (–) phase, and GND wires.

Use only twisted, shielded pair, Belden 8760 or

equivalent.

4. Connect the plus phase to the + terminal, the

minus phase to the – terminal, and the shielding

ground of the cable to the *GND terminal using a

flat-blade screwdriver.

NOTES:

*1. The biphase shield should be grounded at one end

only. The rcommended connection is at the signal

source.

**2. If the internal switch position #2 is set to ON

for RS-485 operation, then RXD functions as

DATA (+) and TXD functions as DATA (–).

Installation

24 VAC, 20 VA Max

Wire Size Maximum Distance

AWG m ft

118 70 225

1.5 16 100 350

2.5 14 175 570

28 VAC, 20 VA Max

Wire Size Maximum Distance

AWG m ft

118 270 750

1.5 16 370 1300

2.5 14 585 1900

Biphase*

RS-232/RS-485**

1 2 ... 6 7 8 9 10 11 12 13 14 15 16

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