Ann-I/O Led Driver Module; Ann-I/O Board Layout; Specifications - Honeywell fire-lite alarms MRP-2002E Manual

ANN-BUS Devices

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 72 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.

2.7.7.2 Specifications

• Max. ANN-BUS Voltage: 28 VDC
• Max. Current:
Alarm: 200 mA
Standby: 35 mA
Each LED: 10 mA
• Operating Temperature: 32
• For indoor use in a dry location only
MRP-2002 & MRP-2002E PN 53049:A1 5/01/2008
Terminals not used (future)
ANN-BUS Connector
Figure 2.19 ANN-I/O Board Layout
o o o o
F to 120 F (0 C to 49 C)
Installation
ANN-BUS (ID#)
Address DIP
switch
39