Connecting The Lan Cable - Mitsubishi Electric BAC-HD150 Instruction Manual

5-4. Connecting the LAN cable

• Make sure that the LAN cable is long enough to reach the LAN1 and LAN2 connectors on the BAC-HD150. Leave the LAN
cable disconnected until all the initial settings for the BAC-HD150 (IP address setting etc.) have been completed.
• Connect the BAC-HD150 (LAN1) and the Building Management System via a HUB.
• Expansion controllers (PAC-YG50ECA), when used, must be connected to the LAN2 of BAC-HD150 via a HUB.
• The maximum distance between the HUB and BAC-HD150 is 100 m (328 ft).
(1) LAN connection example of a system in which BAC-HD150 is connected to the M-NET line
Building Management Building Management
System System
BACnet
(LAN)
* LAN2 of BAC-HD150 will not be used.
(2) LAN connection example of a system in which BAC-HD150 is connected to the expansion controller (PAC-YG50ECA)
Building Management Building Management
System System
BACnet
(LAN)
CAUTION  Connect the BACnet
YG50ECA) to LAN2 port, and be careful not to mix them up.
BM ADAPTER
(BAC-HD150)
HUB
®
BACnet
(LAN)
BM ADAPTER
(BAC-HD150)
HUB
®
BACnet
(LAN)
Centralized Controller
(AG-150A)
®
building management system to LAN1 port and the expansion controllers (PAC-
LAN1
LAN1 LAN2
LAN1 LAN2
*
®
LAN1 LAN2
LAN
®
HUB
LAN
Expansion Controller
(PAC-YG50ECA)
Expansion Controller
(PAC-YG50ECA)
Expansion Controller
(PAC-YG50ECA)
- 20 -
LAN2
M-NET
M-NET
M-NET
M-NET