Omron CJ1W-CT021, Инструкции по эксплуатации, Страница: 44 / 196

1 Introduction
1-6
CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
The maximum number of CJ1W-CT021 High-speed Counter Units that can be mounted on
all CPU Racks and Expansion Racks is 24.
Furthermore, the number of Units that can be mounted in one NJ-series CPU Rack or NJ-
series Expansion Rack is decided by the maximum current that the Power Supply Unit can
supply and the amount of current consumed by other Units.
z
I/O Connection Methods
To connect the Input and Output signal wires to the Unit, two methods are available:
1
Directly connecting the wires by soldering them to the external connector, or
2
Indirectly connecting the wires by connecting them to screw terminals on a Terminal Block Unit.
Use an Omron Flat Cable (XW2Z-xxxB) to connect an Omron Terminal Block Unit (XW2B-40G4
or XW2B-40G5) to the Counter Unit.
Refer to 2-3-2 Connector Wiring Methods for more details.