Byan System G2M User Manual

Byan System G2M

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BYAN SYSTEM, INC.

413 LINDEN

LUSK, WY 82225

(800) 223-2926

G2M Control Board

Installation and Operations Manual

Specifications

Power supply Single Phase 115V or 220V 50/60 Hz AC

Motor Power Consumption Up to 550W or 3/4 hp

Electric Lock Output 12V DC 1A max.

Accessory Power Output 24V AC 1A max.

Input Power Fuse 2A, 250V; 5mm x 20mm tubular glass

Motor Power Fuses 6A, 250V; 5mm x 20mm tubular glass

P.O. BOX 1384 FAX (307) 334-2028

Table of Contents

Questions and Answers:

M
Megan DanielsAug 13, 2025
What to do if safety devices are connected properly but not functioning properly in Byan System Controller?
- E
  Emily TuckerAug 13, 2025
  If the safety devices connected to your Byan System Controller aren't functioning correctly, even when properly connected, it might be due to jumpers still being in place at terminals 8, 9, and 10, or the safety device itself might be malfunctioning. If you're using a car safe, ensure the jumper between accessory terminals 9 and 10 is removed. For people safe, remove the jumper between accessory terminals 8 and 9. Also, verify that the safety device is properly connected and working.
J
Jean MercadoAug 16, 2025
What to do if Byan System G2M Controller board is powered up but won’t function?
- J
  Jose HerreraAug 16, 2025
  If your Byan System Controller board is powered up but not functioning, the issue may stem from loose or missing jumper wires in the accessory terminal, a malfunctioning safety device, or a blown operator fuse. Check all jumper wires to ensure they are correctly located and tightly connected. Verify that safety devices are free from obstructions and properly connected, noting that the G2M uses normally closed (N/C) safety contacts. Also, inspect the 6A fuses on the G2M.

Byan System G2M Specifications

General

Brand	Byan System
Model	G2M
Category	Controller
Language	English

Summary

G2M Control Board Overview

Specifications

Technical specifications of the G2M control board, including power, motor, and output details.

G2M Control Board Layout and Terminals

Board Layout Diagram

Visual representation of component placement on the G2M control board.

Terminal Strips

Explanation of the power/motor and accessory terminal strips.

Power and Motor Run Terminals

Commercial Power Hook-Up

Detailed instructions for connecting commercial power to the board's terminal strip.

Accessory Terminal Connections

Accessory Terminal Table and Uses

A table listing accessory terminals and their possible uses.

Accessory Hook-Up Procedures

Common Accessory Connections

Instructions for connecting common accessories like radio receivers and relays.

Configuration and Settings

Adjustable Timers and DIP Switches

Details on timing potentiometers and DIP switch functions for board configuration.

DIP Switch Options and Prewire Conversions

DIP Switch S1a and S2 Functions

Explanation of specific DIP switch behaviors and options.

G2M to Byan Prewire Terminal Conversion

Tables converting G2M terminals to Byan prewire systems.

Prewire Terminal Conversion Tables

Power/Motor and Accessory Conversions

Conversion tables for power, motor, and accessory terminals to various prewire layouts.

Accessory Prewire Conversion Tables

Accessory Terminal to 24x20 and 30x24 Prewire

Conversion tables for accessory terminals to 24x20 and 30x24 prewire layouts.

Prewire Layout Diagrams

12x10 and 20x16 Wiring Layouts

Wiring diagrams for 12x10 and 20x16 prewire configurations.

24x20 Prewire Layout Diagram

24x20 Wiring Layout Breakdown

Wiring diagram breakdown for the 24x20 prewire layout, including exit/entry.

Troubleshooting Guide

Common Symptoms and Solutions

Lists common operational symptoms, their causes, and recommended solutions.

T2M Leaf Delay Card

Card Description, Timers, and Installation

Overview of the card, its timers, and installation procedure.

T2M Leaf Delay Card Adjustment

Adjustment Procedure

Step-by-step instructions for adjusting the open and close delay timers.

Product Warranty Information

Four-Year Limited Warranty Terms

Details the terms, conditions, and limitations of the product's four-year warranty.