SerVision CVG-M Instalační příručka stáhnout pdf (Strana 16)

SerVision CVG Installation Guide

Connecting Devices to the CVG 15

Note: You may be able to use the CVG to supply power to the modules by connecting the power supply

cables to the 12VDC Power Out connector on the rear panel of the unit. However, bear in mind that the unit

can supply a maximum of 250 mA (3W) of power. If the devices connected to the unit require more than this

amount of power, you must power some or all of them independently (see Supplying Power to Devices

Connected to the Unit, page 8).

Figure 11: Connecting the module to the converter, the CVG, and the power supply

Connecting Activators

Activators are external devices such as alarms and lights that can be turned on by the system in response to an

event. Essentially, the unit functions as an on/off switch for the device. The unit activates the activator by closing

the circuit of its power supply. One activator can be connected directly to the unit. In addition, if you wish, you can

connect an IA-3126-2 relay board to the unit. This makes it possible to connect up to 16 additional activators to the

unit (see Connecting Sensors and Activators Using an IA Relay Board, page 16).

In addition to the activator itself, you will need 16 AWG red and black cables to connect an activator to the unit.



To connect an activator directly to the unit:

1. Install the activator in its desired location in accordance with the manufacturer's instructions.

Note: If the activator requires an external power supply, you may be able to connect it to the 12VDC Power

Out connector on the rear panel of the unit. However, bear in mind that the unit can supply a maximum of 250

mA of power. If the devices connected to the unit require more than this amount of power, you must power

some or all of them independently. For additional information, see Supplying Power to Devices Connected to

the Unit, page 8.

2. Connect the two contacts of the activator to the Out1 connector on the CVG, as illustrated in figure 12. It does

not matter which wire you connect to each contact.

Connect to RS232/485

connector on the MVG

(Y) Data +

(G) Data -

(R) +Vs

(B) GND

Connect to power

supply (-)

Connect to power

supply (+)

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SerVision CVG-M Instalační příručka Strana 16