Bosch B308 Octo-Output Module Instruction Manual

1. Introduction

The Bosch B308 Octo-Output Module is designed to expand the output capabilities of a compatible control panel system. It provides eight independent, programmable outputs, enabling flexible control over various connected devices or system functions.

This manual provides essential information for the proper installation, operation, and maintenance of your B308 module. Please read it thoroughly before proceeding with installation or configuration.

Key Features:

• Eight programmable output functions for versatile control.
• Easy-to-read switch addressing for straightforward configuration.
• Equipped with eight Form C relays for reliable switching.
• Relay contact rating of 1 A at 5-24 VDC.
• Supports remote control of outputs from a keypad.

2. Product Overview

The B308 module integrates into your system via the SDI2 bus, receiving serial data from the control panel. It activates its outputs based on control panel conditions and programmed settings. The module features on-board screw terminal connections for all outputs.

Figure 1: Bosch B308 Octo-Output Module. This image displays the circuit board of the B308 module, featuring eight relays, multiple screw terminal blocks for connections, and two rotary switches labeled 'TENS' and 'ONES' for addressing the module. The Bosch logo and product information are visible on a white label.

3. Setup and Installation

Proper installation is crucial for the reliable operation of the B308 module. Ensure all power is disconnected from the control panel and associated devices before beginning installation.

3.1 Mounting

The B308 module is designed for DIN Rail mounting. Securely attach the module to a standard DIN rail within the control panel enclosure or an appropriate junction box. Ensure adequate ventilation around the module.

3.2 Wiring Connections

The module features on-board screw terminal connections for all inputs and outputs. Refer to your control panel's documentation for specific wiring diagrams and requirements.

• SDI2 Bus Connection: Connect the module to the control panel's SDI2 bus terminals. Ensure correct polarity.
• Output Connections: Each of the eight outputs provides dry contact switching. Connect the devices to be controlled to the respective Form C relay terminals (Normally Open, Normally Closed, Common). The relays are rated for 1.0 A at 5-24 VDC. Do not exceed these ratings.
• Power: The module typically draws power from the SDI2 bus. Verify power requirements with your control panel specifications.

3.3 Addressing the Module

The B308 module uses on-board switches to specify its unique address on the SDI2 bus. These are typically rotary switches labeled 'TENS' and 'ONES'.

1. Consult your control panel's installation manual to determine the available and required addresses for output modules.
2. Using a small screwdriver, carefully set the 'TENS' and 'ONES' rotary switches to the desired address. For example, to set address 23, set 'TENS' to '2' and 'ONES' to '3'.
3. Ensure the address is unique within your system to prevent conflicts.

4. Operating Instructions

Once installed and addressed, the B308 module's functionality is primarily determined by the programming within the main control panel.

4.1 Programming Outputs

The control panel programming defines how each of the eight outputs responds to specific events or conditions within the system. This includes:

• Event-Triggered Activation: Outputs can be programmed to activate upon specific alarms, system status changes, or user actions.
• Timing: Define activation duration or pulse settings for each output.
• Remote Control: Outputs can be configured for remote activation or deactivation via a connected keypad or system interface. Refer to your control panel's programming guide for detailed instructions on configuring output responses.

4.2 Output Response

The B308 receives serial data from the control panel. When a programmed condition is met, the control panel sends a command to the B308, which then activates the corresponding relay output. The dry contact closure or opening will control the connected external device.

5. Maintenance

The Bosch B308 Octo-Output Module is designed for reliable, long-term operation with minimal maintenance. However, periodic checks can help ensure continued performance.

• Visual Inspection: Periodically inspect the module for any signs of physical damage, loose connections, or dust accumulation.
• Cleaning: If necessary, gently clean the module with a soft, dry cloth. Do not use liquid cleaners or solvents. Ensure power is disconnected before cleaning.
• Connection Integrity: Verify that all screw terminal connections remain secure. Loose connections can lead to intermittent operation.
• Environment: Ensure the module is operating within its specified environmental conditions (temperature, humidity) to prevent premature failure.

6. Troubleshooting

If you encounter issues with your B308 Octo-Output Module, consider the following troubleshooting steps:

• No Output Activation:
  • Verify the module is correctly addressed and recognized by the control panel.
  • Check the control panel's programming to ensure the output is configured to activate under the expected conditions.
  • Inspect wiring to the connected device and the B308 module for loose or incorrect connections.
  • Confirm the connected device is functioning correctly and its power supply is active.
• Module Not Communicating:
  • Check the SDI2 bus wiring for continuity and correct polarity.
  • Ensure the module's address is unique and not conflicting with other devices on the bus.
  • Verify the control panel is powered and the SDI2 bus is active.
• Intermittent Operation:
  • Inspect all screw terminal connections for tightness.
  • Check for potential electrical interference or power fluctuations.

If problems persist after performing these checks, contact Bosch technical support or a qualified service technician.

7. Specifications

8. Warranty Information

Warranty information for the Bosch B308 Octo-Output Module was not provided in the product data. Please refer to the official Bosch website or contact your authorized dealer for specific warranty terms and conditions.

9. Technical Support

For technical assistance, installation queries, or further support regarding the Bosch B308 Octo-Output Module, please visit the official Bosch Security Systems website or contact their customer support channels. Contact details are typically available on the manufacturer's website or included with the product packaging.