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INTRUSION&FIRE ALARM ADDRESSABLE 20-LOOP CONTROL DEVICE

If the device loops are assigned with the relays then control com-

mands via RS-485 interface will be ignored and the local relay control will

be in use. In such a manner the relay local control has priority over the

centralized control.

4.2.2 Relay centralized control

To control the relays by centralized commands via RS-485 interface:

- Set off the “Relay 1…5 Control” parameters for all the loops break-

ing the association between the loops and relays

- Give any executive program with the corresponding initial relay

status (switched on or off)

- Assign this relays with the corresponding partition in the net control-

ler configuration, define the executive program, give the control de-

lay and the control time

In case of relays being not assigned with the loops the “Relay Control

Program” parameter defines only the initial status of relay, that is, the

status which relay is set to after the power start up. Usually for relay to be

controlled on-line the programs with “turned off” initial statuses are used,

for example, the program 1 “Turn on”. After power starting up and until the

first centralized command switching the relay to the loops depending status

has been received some time can expire. So if the on-line executive pro-

gram supposing “turned on” initial status is in use then it is reasonable to

turn the relay on right after the power up. To do this it is necessary for the

device to give any executive program with “turned on” initial status, for ex-

ample, the program 2 “Turn off”.

4.2.3 The relay configuration parameters

Table 4: Relay configuration parameters

Parameter

name

Description Available range

Relay

Control

Program

Defines the relay control method de-

pending on the related loop statuses

and the initial relay status

0…37

Relay

Control

Time

The switching on or off period for the

executive programs with restricted

operating time

from 1 to 8192 s in

increments of 1/8 s

Circuit

Check

Type

Defines the outer circuit check

method for relay outputs "relay 4"

(К4) and "relay 5" (К5)

1 – without check

2 – open failure check

3 – short failure check

4 – both open and

short failure check

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 56 57

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