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The Brain

CN3 is the BD9 or external debug port which can be accessed by removing the rubber plug on the side of the module.

This connection can be used for:

1. Setup, calibration, debug and diagnostics by connecting a laptop via the USB to RS485 cable and running the Brain

DRV Programming Software (available at www.armstronginternational.com/brain). This software is also used to switch

the internal network connector (CN2) over from BrainScan

valve. It can also be used to switch CN2 back to BrainScan

2. Reprogramming can also be done via this port if the laptop has the latest Bootloader software installed.

CN2 is the internal network connection for the Brain

BrainScan

protocol or Modbus RTU protocol.

Armstrong International

IOM-776

Brain

Modbus Networking

Electronics Overview (DRV 40/80)

Figure 1: Functional diagram of The Brain Electronics Enclosure

Figure 2

to Modbus and then set a unique network address for the

if required.

. CN2 also uses RS485, but with the option of running either the