SIL725 Safety Annunciator - RTK - #3

All inputs are opto-coupled and comply to the stringent requirements of the European Directive on electromagnetic compatibility and the low voltage directive. This ensures there is no possibility of false alarms. The standard input voltage is 24V but units can be supplied with field contact voltages of 48, 125 or 250V. All versions are capable of accepting AC or DC voltages.

As standard the SIL725 has up to four relay outputs to cover all normal alarm applications. These are as follows:

1 Audible Relay A

2 Audible Relay B

3 Group Relay A

4 Group Relay B

The annunciator can be supplied with an integral 90dB(A) audible and two optional audible relays. Each alarm way can be programmed to be in one, both or neither of these two groups. The integral audible will always sound on the audible group A.

Each alarm way can be supplied with an individual repeat relay. Each relay can be programmed to be energised or de-energised on alarm and both normally open and normally closed contacts are available on customer terminals. The repeat relays can be set to follow the alarm logic, follow the field contact or follow the display.

All connections are made to the rear of the unit, using two part screw terminals capable of taking 2.5mm² cable.

The supply required to power the Annunciator is nominally 24VDC. RTK can supply suitable Power Supplies or DC/DC Converters if converting from higher AC or DC voltages including the RT-AD Dual Reduandant Supplies.

Designed within the stringent requirements of the European EMC and LVD directives ensures that the Annunciatior conforms to the highest standards of both safety and function.

Wall, Panel and Rack Mounting The standard unit is supplied as a panel mounting version ready for customers to drop into a single cut-out. If required RTK can supply the SIL725 Annunciator fully integrated into wall mounting or floor standing enclosures or mounting within standard 19" plates.

This flexible unit is designed to be fully modular using a cell based structure.

Each cell can house: One large window (60 x 60mm) Two medium windows (60 x 30mm) Four small windows (30 x 30mm)

Window sizes can be mixed as required.

Each window is backlit by 'Fit & Forget' removable LED Assemblies. A choice of six colours are available. These colours are red, amber, yellow, white, green and blue.

Everything is contained within the standard SIL725 Annunciator to provide a complete alarm monitoring system. This includes all pushbuttons and a local audible.

In alarm annunciation applications it is often essential to know which alarm occurred first in a particular group. To this end, four different first-up sequences and four different first-up groups are available, all user programmable from the front.