Up to 64 units can be connected when configured using Basic Units (EJ1N-TC4/TC2) only
Distributed placement is possible by using End Units (stock no. 561-653)
Up to 16 units may be connected side-by-side (not including End Units).
Supply voltage and communication functions (RS-485, port A or B) are available from the End Unit (EJ1C-EDU, stock no. 561-653). An End Unit is always required for connection to a Basic Unit or an HFU. An HFU cannot operate without a Basic Unit. External communications cannot be performed when using a
Basic Unit only. Refer to manufacturer's data sheet for further information.
When used with the HFU, the Basic Unit must be connected to the left side.