
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
KVHKA Appendix.p65 08.3.11, 11:05 AM403
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