eta plus ELC X Series - Overview of Control and Bus Connections

3 Installation page 18
ELC X-Series-V1.5-06.18-GB subject to technical alterations
3.2.10 Overview of control and bus connections
The control cables are connected by means of the plug connections available as accessories.
All control circuits must be earthed upon installation.
The connector positions are shown in Fig. 12 or Fig. 13 and will be explained in the following
tables.
Fig. 12: Control and bus connections X4-X8
Fig. 13: Control and bus connections X12-X24
X300: Service USB
X1/X2: BUS
X122: int. connection
X604: int. connection
X123: int. connection
X605: int. connection
X805: Control cable
X102: not in use
X806: Control cable
X3: BUS T-coupler
X104: Service PFC
X1/X2 : BUS
X3: BUS T-coupler
X808: Service interface
X805: Control cable
X806: Control cable