Kv-r1a i/o distribution module – KEYENCE Visual KV Series User Manual
Page 427

Appendix B Specifications and Dimensions
KV-300 Series
Appendicies
Appendices
1-403
KV-R8T/R16T/R8R/R16R I/O Terminal Modules (RUN Output)
Type of output
Transistor (NPN)
Rated load
30 VDC 0.1 A
Maximum leakage current at OFF
100 µA
Maximum residual voltage at ON
1 V
Operating conditions
ON when communication is enabled.
OFF when communication is disabled for more than
100 ms.
Circuit structure
RUN
0V
+
24V
24V
Load
Internal circuit
Note: The KV-R8X/R16X has no RUN output.
Use only the specified cable when connecting to terminal modules. Use of any
other cable may cause communication errors.
KV-R1A I/O Distribution Module
Transmission specifications
Note: The transmission distance varies with the type of transmission cable used.
•
*Refer to page 189.
•
Use unshielded cable.
Use only the specified cable when connecting to terminal modules. Use of any
other cable may cause communication errors.
CAUTION
Communication mode
1:N 2-wire communication
Connection
Multi-branching or multi-drop
Transmission rate
1.25 Mbit/s
Maximum transmission delay
500 µs
Transmission distance
120 m (total length) (See Note)
Maximum number of I/O terminal modules Input terminals: 5 (80 inputs)
Output terminals: 5 (80 outputs)
Total: 10 I/O terminals (160 I/Os)
Transmission media
2-core cable (VCTF 0.75 mm
2
) (See Note)
Error control method
2-bit reverse check
Maximum current consumption current
50 mA
Approximate weight
100 g
Cable type
Total length of cable permitted*
AWG 18 twisted pair or VCTF 0.75mm
2
120 m
AWG 16 twisted pair or VCTF 1.25 mm
2
120 m
RG-58 coaxial or 3D-2V (50
Ω
)
200 m
CAUTION
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