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3 Controller
Parallel I/O interface
3-104
Table 3-13 ： Electrical specifications for the output circuits
The protection fuse of the output circuit prevents the failure at the time of the load short
circuit and incorrect connection. The load connected of the customer should be careful
not to exceed maximum rating current. The internal transistor may be damaged if
maximum rating current is exceeded.
■ Installation method
The expansion parallel input/output interface is installed in the controller. Refer to separate "Instruction Manual/
Controller setup, basic operation, and maintenance" for details on the installing method.
If it installs in the option SLOT of the controller, the station number will be assigned automatically.
SLOT1: station number 0(0 to 31)
SLOT2: station number 1(32 to 63)
If it uses together with parallel input-and-output unit 2A-RZ361/2A-RZ371, please do not
overlap with the station number of the parallel input-and-output interface.
Fig.3-31 ： Parallel I/O interface installation position (CR750)
Item
Specification Internal circuit
Type Transistor output
<Sink type>
<Source type>
No. of output points 32
Insulation method Photo-coupler insulation
Rated load voltage DC12V/DC24V
Rated load voltage range DC10.2 ～ 30V (peak voltage DC30V)
Max. load current 0.1A/point (100%)
Leakage current at OFF Within 0.1mA
Max. voltage drop at ON
DC0.9V(TYP.)
Note1)
Note1) The maximum voltage drop value at signal ON.
Refer to it for the equipment connected to the output circuit.
Respons
e time
OFF-ON 10ms or less(Resistance load) (hardware response time)
ON-OFF 10ms or less(Resistance load) (hardware response time)
Fuse rating Fuse 1.6A(one per common)
Replacement possible （max. 3）
Common method 16 points per common (common terminal: 2points)
External wire connection
method
Connector
External
power
supply
Voltage DC12/24V(DC10.2 ～ 30V)
Current
60mA(TYP.DC24V per common)(base drive current)
+24V/+12V
Output
24G/12G
Fuse
+24V/+12V
24G/12G
Fuse
Output
Caution
Caution
SLOT2
SLOT1
<CR750 controller>