
Cambridge
Air
Solutions
10/31/2022
BACnet
Controller
EVAP
Technical
Manual
Version
4.0.2.0002
COMMUNICATION ISSUES
CONTROLLER PARAMETERS CHECKLIST
□
Does each controller have a unique MAC address?
Default = 4, Range = 4 – 127
Network setting = AV:3003
Keypad access =
ent
>
>Controller>Network>Address
□
Does each controller have a unique Object ID?
Default = 0, Range = 0 – 4,194,302
Network setting = AV:3004
Keypad access =
ent
>
>Controller>Network>Device Object ID
□
Is the FC Comm Mode set to Wired Field Bus?
Keypad access =
ent
>
>Controller>Network>FC Comm Mode
□
Does the Communication Status show Active?
Keypad access =
ent
>
>Controller>Network>Communication Status
□
Is the baud rate set the same for all components??
Default = Auto, Range = Auto, 1200, 9600, 19200, 38400, 76800
Network setting = AV:3007
Keypad access =
ent
>
>Controller>Network>Baud Rate
NOTE:
For 76800 baud be sure the recommended cable type and maximum length are followed.
□
Is the BACnet Encoding Type set the same for all components?
ISO 10646 (USC-2), ANSI X3.4 (US-ASCII), Microsoft DBCS code page, ISO 10646 (UTF-8)
Keypad access =
ent
>
>Controller>Network>BACnet Encoding Type
WIRING CHECKLIST
□
Are the network connections wired to the FC bus terminals (blue)?
□
Are the network connections using 3-wire twisted shielded cable?
□
Are the terminal connections correct at each controller? (SHD/COM/-/+)
□
Are end-of-line terminations installed? (JCI # MS-BACEOL-0 recommended)