Bosch D326A Modular Device

Fire Alarm Systems | D326A Analog Point Contact Module
D326A Analog Point Contact Module
The D326A Analog Point Contact Module provides a variety
of fire alarm functions, such as monitoring manual pull
stations, waterflow devices, or other dry contact fire alarm
activation applications. The module allows for alarm,
trouble, and supervisory conditions. The D326A module
mounts on a plate that attaches directly to a UL‑Listed four-
inch square back box having a minimum depth of 2-1/8
inches. A cover plate leaves the status LED visible.
System Overview
The D326A Analog Point Contact Module allows compatible
fire alarm control panels (FACP) to supervise Form A or B
dry contact devices in a polling circuit. The D326A has an
eight‑bit microprocessor and communicates with the
control panel (both power and data) over a two-wire polling
circuit. The initiating device circuit (NFPA Style B)
connected to the D326A can have up to 20 normally-open
(NO) dry contact devices. Each module can monitor one
normally-closed (NC) device (NC devices must be non-alarm
applications).
▶ Digital data communications and power provided over
a two-wire circuit
▶ Advanced digital communications protocol compatible
▶ Class B circuit for dry contact devices
▶ Two-color status LED: green for normal, red for alarm
▶ EEPROM addressing in module unit
▶ Mount on four-inch square back box
Certifications and Approvals
Region Certification
USA UL UOXX: Control Unit Accessories, System
(UL864, 9th edition)
FM
CSFM 7300-1615: 151
NYC-MEA 26-02-E, Vol. III
Installation/Configuration Notes
Compatibility Information
The following products are compatible with the D326A
Point Contact Module:
Category Product ID Product Description
Control Panels: D8024
D10024A
Modules: D9067
Programmers: D5070
Installation Considerations
There are three steps to installing the point contact module:
1. Set the point address: Use the D5070 Analog Device
Programmer to set the address by programming an
EEPROM microchip.
Analog fire alarm control panel (FACP)
Analog FACP
Analog polling module
Analog device programmer
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