Features; Ldm-32F - Fire-Lite LDM-32F Instruction Manual

1. Introduction

Features

LDM-32F

The Lamp Driver Module LDM-32F has 32 alarm lamp/LED driver outputs
which sink current to system common (–) on activation. A single positive (+)
voltage is required to supply total operating power for all lamps or LEDs when
all drivers are activated. The LDM-32F provides a separate driver for system
trouble and inputs for a local lamp test switch. A maximum of 16 external
control switches may be wired to the LDM-32F. DIP switch SW3 is used to
enable or disable the onboard piezo, enable remote switch functions, select a
flashing LED function for new alarms and troubles, and other functions.
Switch SW4 is used to configure the module to annunciate 32 alarms or 16
troubles. A green
with the host FACP. One LDM-32F supports up to 3 LDM-E32F modules. The
LDM-32F is supplied with 4 standoffs and screws for mounting to a CHS-4L
chassis or custom backbox.
Security Key
Switch Terminal
Control Switch
Terminal
Address
Switches
Programming
DIP Switch
EIA-485
Terminal
24 VDC
Power
Terminal
10
LED flashes to indicate ongoing communications
ON LINE
Output Connectors
for Wiring to LEDs
J5 J6
J11
J4
KEYSWITCH
SWITCH
MATRIX
J1
SW1
SW2
SW3
SW4
4
3
TB2
2
1
7
6
5
4 TB1
3
2
1
Figure 1 LDM-32F
J7 J8
J10
LAMP
POWER J9
Ribbon Cable
Connection to
LDM-E32F
J2
ON LINE
LDM-32F PN 50055:C 03/20/01
Features
Lamp Power
(+5 VDC)
Not Used
Lamp Power
(+24 VDC)
System Trouble
Alarm or
Alarm/Trouble
Slide Switch
Indicates EIA-485
Communication
Active