GE Industrial Solutions GE Zenith Series DPB - Manual (Page 66)

58 Installation & Operation Manual, GE Series DPB Busway
March 25, 2013, Rev 0 GE Confidential
Series DPB Busway Installation & Operation Manual
MODBUS CONNECTIONS ON IX DISPLAY INTERFACE BOARD
See Figure 54 for MODBUS Connections on IX Display Interface Board
Downstream Connection utilize Connector TB3 - Connects to End Feed Daisy Chain
1.) Transmit + is TB3 pin 1
2.) Transmit - is TB3 pin 2
3.) Receive + is TB3 pin 3
4.) Receive - is TB3 pin 4
5.) Ground is TB3 pin 5
Upstream Connections utilize Connector TB4 - Connects to customer's building management system.
1.) Transmit + is TB4 pin 1
2.) Transmit - is TB4 pin 2
3.) Receive + is TB4 pin 3
4.) Receive - is TB4 pin 4
5.) Ground is TB4 pin 5
TB3 TB4
1 2 3 4 5 1 2 3 4 5
Figure 54 - Connections on IX Display Interface Board