ecification
No. Name Description
[4]
Upstream unit connector This connector is used to connect a group of upstream units (units in the upper stage)
using a unit link cable (CB-REXT-SIO).
[5]
Downstream unit connector This connector is used to connect a group of downstream units (units in the lower stage)
using a unit link cable (CB-REXT-SIO).
To establish connection via external SIO link, use a controller connection cable
(CB-REXT-CTL).
[6]
FG terminal block This terminal block is used to connect grounding wires (M3 round terminals).
It functions as a terminal block for connecting the shielded wire of the unit link cable
(CB-REXT-SIO) or controller connection cable (CB-REXT-CTL).
6.4.2 External Dimensions
(50 from DIN rail center)
(69.3 from DIN rail surface)
69.3 from DIN rail surface
50 from DIN rail center