Protege DIN Rail 8 PGM Output Expander

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3 DC Power and Encrypted Module NetworkThe Output Expander incorporates encrypted RS-485 communications technology, and both module andnetwork power are supplied by the N+ and N- terminals.N+ N- NA NBNetwork communications inputfrom the Protege IntegratedSystem Controller or previousProtege moduleStandard Communications ConnectionConnection of the communications and DC supply should be performed according to the diagram shown above.It is important that the N+ Network Communications Power be 12VDC supplied from an independent batterybacked power supply unit such as the PRT-PSU-DIN capable of supplying the required voltage to all devices onthe RS-485 network.Warning:• The 12V N+ and N- Communication input must be supplied from only ONE point. Connectionsfrom more than one 12V supply may cause failure or damage to the Output Expander or devicesupplying network power.• The 330 Ohm EOL (End of Line) resistor provided in the accessory bag MUST be inserted betweenthe NA and NB terminals of the FIRST and LAST modules on the RS-485 network. These are themodules physically located at the ends of the RS-485 network cabling.First Module on RS-485 NetworkLast Module on RS-485 NetworkN+ N- NA NB N+ N- NA NB330R330RToNextModuleFromPreviousModuleEnd of Line Resistors6 PRT-PX8-DIN Protege DIN Rail 8 PGM Output Expander Installation Manual | Sept 2011
4 Programmable OutputsThe Output Expander has 8 Programmable Outputs (PGM's). These PGM's are used to activate the Bell Sirens,Lighting Circuits, Door locks, Relay Accessory Products and other Automation Points.4.1 PGM Outputs 1 to 8The 8 PGM Outputs each have a FORM C output relay. The connection example below shows the control of anexternal LED indicator.0V+12V AUXLED1K5 OHMV+ V- NO C NC NO C NCPGM Connection (PGM 2 Shown)iSwitching inductive loads that can produce high back EMF voltages or large voltage induced spikescan cause the Output Expander to behave unexpectedly and should be avoided. A suitable isolationcircuit must be installed between the relay contacts of the Output Expander and the inductive load.PRT-PX8-DIN Protege DIN Rail 8 PGM Output Expander Installation Manual | Sept 2011 7
Page 1 and 2: PRT-PX8-DINProtege DIN Rail 8 PGM O
Page 3 and 4: Contents1 Welcome _________________
Page 5: 2 MountingThe Output Expander is de
Page 9 and 10: 6 LED IndicatorsThe Output Expander
Page 11 and 12: 8 Mechanical DiagramThe mechanical
Page 13 and 14: 10 Technical SpecificationsiThe fol
Page 15 and 16: 12 WarrantyIntegrated Control Techn
Page 17: 227-5095-002

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