Installation
MS-5UD/MS-10UD Series PN 52626:B 8/01/2008 47
2.8.7 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 80 for programming information.
2.8.7.1 ANN-I/O Board Layout
Figure 2.22 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.
2.8.7.2 Specifications
• Max. ANN-BUS Voltage: 28 VDC
• Max. Current:
Alarm: 200 mA
Standby: 35 mA
Each LED: 10 mA
• Operating Temperature: 32
o
F to 120
o
F (0
o
C to 49
o
C)
• For indoor use in a dry location only
Figure 2.22 ANN-I/O Board Layout
ANN-BUS (ID#)
Address DIP
switch
ANN-BUS Connector
Terminals not used (future)
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