1. Energy Management Systems Building Management System

2. Communication Umbrella Monitor and Control

3. Hardwire Communication
Enable/Disable (Dry Contact)
Alarm (Dry Contact)
Status/Command: 0-10 Vdc /Dry Contact /4-20 MA

4. Serial Communication
Single set of wires to monitor and control various actions.

5. Communication Control: Hardwire Serial Communication
Monitor: Hardwire Serial Communication
Control through Serial Communication-HOC
Control through Hard Wire-HOA
Light switch = Hard Wire
Serial Communication = Your laptop

6. Control: Hardwire Monitor: Serial Communication
Control & Monitor
Control: Hardwire
Monitor: Serial Communication
(4-20) control
Enable/Disable (Dry Contact)
Monitor: Serial Communication

7. Protocol BACNET MSTP - twisted pair BACNET IP – Cat 5 LON MOD BUS
Proprietary System

8. Equipment Address: Main phone number (510-293-1993)
(510) Network number
( ) Mac Address

9. Baud Rate: _______ KBPS
Speed in kilobytes per second
KBPS 76.8/KBPS 38.4/KBPS 19.2/KBPS 9.6

10. Communication Bus RS-485 – Twisted pair HVAC
RS-232 – 9-pin Industrial type

11. Device Instance ID# Your extensions (# 239) Points list or Object ID
Is like your voice mail
You can find these in the IOM
Bacnet/network number/ Mac Address/Device Instance/Points list

12. Bridge/Gateway
Translator
English to Chinese

13. Character format
Number of letters in the word
8 or 16 bits

14. Number of devices – 32 devices
Repeater
Similar to a Pressure Booster System
Length of Bus – 4000 ft
Number of devices – 32 devices