Bolid Signal-10 Manual do Utilizador descarregar pdf (Página 62)

Orion ISS

WIRING THE RS-485 INTERFACE LINE

Connect the Signal-10 to an Orion network controller via RS-485 interface by doing the following:

1. Couple the device terminals RS485A and RS485B (see Figure 3) with A and B wires of RS-485 bus

respectively.

2. Couple the 0V circuit of the Signal-10 device (see Figure 3) with the similar circuits of the preced-

ing and succeeding devices in RS-485 highway (you can ignore this requirement if the devices are

3. If the Signal-10 is neither the first nor the last device within RS-485 highway, remove the jumper

that is located closely to the RS485A and RS485B contacts on the device PCB. (This jumper, if put

on, includes the EOL resistance of 620 Ω into the RS-485 interface line.)

While mounting the RS-485 interface line, it is advisable to implement the bus network topology (that

is, connect the devices in a chain). If a long-distance branch (more than 50 m from the RS-485 bus)

needs to be realized, a Bolid S2000-PI interface repeater is to be included at the cross point. It can be

brought up to 10 S2000-PI interface repeaters in a single RS-485 bus segment (up to 10 branches

can be made). The number of successively included repeaters is not limited.

CONNECTING EXTERNAL DEVICES TO THE DEVICE OUTPUTS

The SIR and LAM output terminals of the Signal-10 are designed to wire external sound and light

alarms respectively.

Following are some variants of connecting external devices to the SIR and LAM output terminals of

the Signal-10 (see Figure 3):

Var.1 is for sound and light alarms with high internal resistance (more than 10 kΩ) and low operating

current (less than 2.5 mA) such as piezoelectric sirens and single light electric diodes.

Var.2 is for sound and light alarms with high internal resistance (more than 10 kΩ) such as light ta-

bles, for example.

Var.3 is for sound and light alarms which internal resistance ranges from 26 Ω to 10 kΩ.

If SIR or LAM output is not in use (no sound or light alarms are to be connected to the device) termi-

nate it with a resistor of 1.0 to 8.2 kΩ, 0.25 W.

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Bolid Signal-10 Manual do Utilizador Página 62