bolid S2000-SP1 ORION ISS Buku Petunjuk - Halaman 4

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3. No communication over the RS-485 interface

4. Self-diagnostic mode

5. Updating software or program memory failure

1.4.4.1 While operating, the module monitors the voltage at its power inputs and,

depending on the given value of Both Power Inputs Monitoring parameter (see

Clause 1.4.6), automatically detects a failure.

Setting Both Power Inputs Monitoring on means that the power voltage should be applied

to both power inputs; and the module enters the Power Failure mode if the power voltage is

out of the normal range at any power input. In this case the module generates one Power

Failure message for this power input (1 or 2) and another Power Failure message for the

module itself (input number = 0). READY indicator shall flash with low duty cycle ratio. The

module will return to the quiescent mode when the power is restored on the both inputs, and

after that the module transmits the Power Restored message over the RS-485 interface bus.

If, otherwise, Both Power Inputs Monitoring is set off, the power voltage can be applied to

any of the power inputs. The module enters the Power Failure mode only in case of power

failure at both power inputs and returns to the quiescent mode when the voltage is restored at

any of them. The events Power Failure and Power Restored are generated only for the

module itself (input number = 0).

1.4.4.2 If data are not communicated over the RS-485 interface within 1 s, the READY

indicator begins flashing once per second (provided that the power voltage is in norm). When

communication is restored the indicator is lit steady.

1.4.5 Statuses of relays are displayed by indicators 1 to 4. When a relay is switched off

(that is, normally closed contacts NC and COM are closed while normally open contacts NO

and COM are open), the relevant indicator is off too. When the relay is switched on (that is,

normally closed contacts NC and COM are open while normally open contacts NO and COM

are closed), the relevant indicator is on.

1.4.6 To be adjusted for specific operation requirements, the module supports

programming the following parameters stored in its non-volatile memory:

Parameter

The executive program,

executed automatically after

1. Initial

powering on (or resetting) the

Condition

module and on receiving a

Return to Initial Condition

command

The time during which the

relay is active, for the

2. Activation

commands which imply a

Time

limited activation time, if this

time is not received in the

command explicitly

Description

Flashes once per second

Flashes five times per second

Flashes twice per second

Value

Range

relay 1 relay 2 relay 3 relay 4

1 (On),

2 (Off),

9 (Lamp),

10 (Alarm

(Off)

Output)

relay 1 relay 2 relay 3 relay 4

0...255 s

60 s

Factory Value

(Off)

60 s