3-70
Options
3Controller
(3) Parallel I/O unit
■ Order type: 2A-RZ361(Sink type)
2A-RZ371(Source type)
■ Outline
This is used to expand the external inputs and outputs. One one equal with this unit
is built into the control unit among controllers the standard.
・ The connection cable is not included. Prepare the optional external input/output
cable (2A-CBL05 or 2A-CBL15).
■ Configuration
Table 3-14 ： Configuration device
■ Specifications
1) Up to eight stations can be connected to this unit. (One station occupies one unit.)
One unit is built into the controller as a standard, so up to seven units can be installed as expansions.
2) The power supply (24V) must be prepared by the customer and connected with the power connection cable
(DCcable-2)
A separate 24V power supply is required for the input/output circuit wiring.
The detailed specifications of the input/output circuit are the same as the parallel input/output unit mounted as a
standard. Refer to
Page 58, "3.9 Parallel input/output unit" for details.
Table 3-15 ： Electrical specifications of input circuits
Part name Type Qty. Remarks
Parallel I/O unit
2A-RZ361/
2A-RZ371
1 pc.
Input/output 32 points/32 points
2A-RZ361 is the sink type.
2A-RZ371 is the source type.
Robot I/O link connection connector
NETcable-1 2 sets
Connector with pins.
The cable must be prepared and wired by the customer.
Power connection connector
DCcable-2 1 set
Connector with pins.
The cable must be prepared and wired by the customer.
Terminator R-TM 1 pc. 100Ω(1/4W)
Item Specification Internal circuit
Type DC input
<Sink type>
<Source type>
Number of input points 32
Insulation method Photo coupler insulation
Rated input voltage 12VDC/24VDC
Rated input current Approx 3mA/7mA
Working voltage range 10.2 to 26.4VDC(Ripple factor should be less than 5%.)
ON voltage/ON current 8VDC or more/ 2mA or more
OFF voltage/ OFF current 4VDC or less/ 1mA or less
Input resistance Approx. 3.3kΩ
Response time OFF-ON 10ms or less (24VDC)
ON-OFF 10ms or less (24VDC)
Common method 8 points per common
External cable connection method Connector
3.3K
Input
820
24V/12V
(COM)
3.3K
Input
820
0V(COM)
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