Bosch D7053 Specsheet
Fire Alarm Systems | D7053 Multiplex Input-output Module
D7053 Multiplex Input-output Module
www.boschsecurity.com
u Use with D7024, DS9400M, or FPD-7024
Addressable FACPs
u Fits into a standard double-gang or four-inch square
back box
The D7053 Multiplex Input-output Module is a general
purpose device that monitors a normally-open (NO),
supervised contact device and provides a separately
controlled Form C relay output. The module connects
to the multiplex bus in either a Class A (Style 6) or
Class B (Style 4) configuration. All operating power for
the module is drawn from the control panel's multiplex
bus.
Rotary switches allow convenient address setting. An
on-board status LED on the module indicates normal,
alarm, and trouble conditions and is visible on the
module or on an attractive, low-profile faceplate.
Notice
The D7024 and DS9400M are not listed under
UL864, 9th edition.
Certifications and approvals
Region Certification
USA UL UOJZ: Control Units, System (ANSI/UL
864) and UOXX: Control Unit Accessories, System (ANSI/UL 864)
FM D7053
u Easy addressing using rotary switches
u Low current draw
u UL Listed
Region Certification
CSFM see our website
FDNY-
#6173
CoA
Installation/configuration notes
Compatible Products
The following products are compatible with the D7053
Multiplex Input‑output Module:
Category Product ID Product Description
Control
Panels
D7024 Addressable FACP
D7024-EXP Addressable FACP for export
DS9400M Addressable FACP
FPD-7024 Addressable FACP
Modules D7039 Multiplex expansion module
Mounting
Mount the module on a double-gang or four-inch
square back box.
2 | D7053 Multiplex Input-output Module
Wiring
Make connections to the terminals on the rear of the
module. All terminals can accommodate up to 12 AWG
(ISO 4 mm2) wire; however, follow wiring guidelines
specified by the National Electrical Code (NFPA-70).
All wiring is power limited and supervised.
Notice
Do not use shielded wire.
Supervise the Class B input loop with the supplied
EOL resistor.
Parts included
Quant. Component
1 D7053 module
1 2.21 kΩ end-of-line (EOL) resistor (P/N: 25899)
1 Literature pack
Technical specifications
Circuit Designation
MUX Bus: Supervised Class A (Style 6) SLC or
Class B (Style 4) SLC
Power Requirements (supplied from FACP's MUX
bus)
Current: 0.70 mA
Voltage (minimum): 8 V peak (12 VDC nominal)
Ordering information
D7053 Multiplex Input-output Module
The D7053, powered by its connection to the multiplex
bus of a D7024, DS9400M, or FPD‑7024 FACP in either
a Class A (Style 6) or Class B (Style 4) configuration,
monitors a normally‑open (NO) contact device and
provides a separately controlled Form C relay output.
It is addressed by rotary switches.
Order number D7053
Input: Supervised Class B (Style B) IDC
Environmental Considerations
Environment: Indoor, dry
Radio Frequency
Interference (RFI)
Immunity:
Relative Humidity: Up to 93% non-condensing
Temperature (operating): +32°F to +120°F (0°C to +49°C)
No setup or alarm on critical frequencies
in the range from 26 MHz to 950 MHz for
field strengths less than 30 V/m
Inputs
Type: One normally-open (NO) Class B (Style B) contact input
supervised by a 2.21 kΩ EOL resistor (P/N 25899).
Mechanical Properties
Color: White
Dimensions: 4.3125 in. (10.9 cm) square by
Material: ABS plastic
Weight: 3.9 oz (110 g)
1.0625 in. (2.7 cm) deep
Outputs
Alarm: Reports alarm and point number to FACP
Relay: One set of Form C (NO/C/NC) contacts rated for
Trouble: Reports trouble and point number to FACP
120 VAC at 0.5 A, 24 VDC at 1.0 A, resistive loads
only
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