MODBUS INSTALLATION
Part. No. 2400M2501_6 Touchpoint Pro
51 Technical Handbook
6.4 Modbus Bus Interface Board (BIB) Installation
The optional Modbus Bus Interface Board (BIB) is required to use Modbus communications. Normally the BIB is factory
installed, but it can be fitted or replaced in the field by an authorised Honeywell Field Engineer.
TPPR is supplied with Modbus software pre-installed.
6.4.1 How to Install the Bus Interface Board
To fit the Bus Interface Board:
1. Power off and isolate the mains supply and backup batteries and any mains-switching relays.
2. Open the Controller enclosure to access the controller cover panel (see figure on next page).
3. Remove any USB devices and SD Cards.
4. See Warning at the top of the cover and disconnect all conflicting cables (i.e. TB8 & TB9).
5. Remove the two M4 locknut screws at the top and one at the side of the cover.
6. Carefully slide the cover off.
7. Locate the four Bus Interface Board (BIB) stand-off pillars to the right side of the Control Module motherboard).
8. Observing the correct orientation, align the connectors and gently push them into place.
9. Secure the Bus Interface Board using the supplied screws and washers.
10. Carefully slide the cover back into place and refit / tighten the M4 locknuts.
11. Re-connect all cables.
12. Refit the SD Card and optional USB devices.
13. Switch on the batteries and Mains power.
14. Wait for the system to initialize and check/test that everything is working correctly.
The equipment specified in this manual is only to be installed by the Manufacturer’s trained personnel, or by
competent persons trained in accordance with the Manufacturer’s installation instructions.
Site Safety systems will be inoperative during this procedure. Ensure that a risk assessment is carried out and that
alternative safety arrangements are in place before commencing.
The SD Card, any USB device and all cables must be removed before attempting to remove the Control Module
cover panel.
CAUTION – ELECTROSTATIC HAZARDS
All electronic and PCB assemblies contain static sensitive components. Take anti-static precautions to minimise the
risk of damaging components through electrostatic discharge.
There is a risk of electric shock when carrying out this procedure. Ensure that the system and backup batteries are
electrically isolated and that residual power is allowed to dissipate before opening the enclosure.
If the TPPR relays are switching mains voltages, hazardous live terminals may be present within the
Relay Output Modules even if the TPPR is electrically isolated.
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