ANN-BUS Devices

Installation

2.7.7 ANN-I/O LED Driver Module

The ANN-I/O is an LED driver module that can be used in a wide variety of applications, including as an interface with most customized graphic annunciators. The ANN-I/O can drive up to 40 LEDs. The following sections describe hardware installation. Refer to the section titled "ANN- BUS" on page 71 for programming information.

2.7.7.1 ANN-I/O Board Layout

Figure 2.19 illustrates the ANN-I/O board showing locations of screw terminals for connection to the FACP, pin connectors for connecting LEDs and the DIP switch for selecting the ANN- BUS ID number.

Terminals not used (future)

ANN-BUS (ID#)

Address DIP switch

ANN-BUS Connector

Figure 2.19 ANN-I/O Board Layout

2.7.7.2Specifications

•Max. ANN-BUS Voltage: 28 VDC

•Max. Current:

 Alarm: 200 mA

 Standby: 35 mA

 Each LED: 10 mA

•Operating Temperature: 32oF to 120oF (0oC to 49oC)

•For indoor use in a dry location only

MRP-2001 & MRP-2001E PN 53040:A 4/16/2007

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