Electro-Voice 1252, 250 operation manual Chapter Nexus External I/O Modules, I/O Module Components

Chapter 9

Nexus External I/O Modules

9.1: Hardware Overview

All Nexus External I/O modules have the following components:

•Female RS-485 Side Port: use to connect to another module’s male RS-485 side port.

•Male RS-485 Side Port: use to connect to the Nexus 1250/1252 Meter’s Port 3 or 4 or to another module’s female RS-485 side port. See Figure 9.2 for wiring detail.

•I/O Port: used for functions specific to the type of module; size and pin configuration vary depending on type of module.

•Reset Button: Press and hold for three seconds to reset the module’s baud rate to 57600 and its address to 247 for 30 seconds.

•LEDs: when flashing, signal that the module is functioning.

•Mounting Brackets (MBIO): used to secure one or more modules to a flat surface.

Mounting Brackets (MBIO)

Female RS-485 Side Port

LEDs

I/O Port

(Size and pin Integrated Fastening System configuration vary)

Male RS-485 Side Port

Reset Button

Figure 9.1: I/O Module Components

Electro Industries/GaugeTech Doc # E107706 V1.25 9-1