SFP-5UD & SFP-10UD Series Manual— P/N 52879:C2 1/24/2012 51
ANN-BUS Devices Installation
2.8.5 N-ANN-I/O LED Driver Module
The N-ANN-I/O is an LED driver module that can be used in a wide variety of applications, includ-
ing as an interface with most customized graphic annunciators. The N-ANN-I/O can drive up to 40
LEDs. The following sections describe hardware installation. Refer to the section titled“ANN-
BUS” on page 82 for programming information.
N-ANN-I/O Board Layout
Figure 2.24 illustrates the N-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.
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 2.24 N-ANN-I/O Board Layout
ANN-BUS (ID#)
Address DIP
switch
ANN-BUS Connector
Terminals not used (future)
anniobrd.wmf
To Next Page
Loading...
