Appendix BSpecifications
187
Transmission distance: 500 m max.
Transmission cable: VCTF 0.75 mm
2
or higher
B7A Link Terminal
B7A Link Terminal
12 to 24 VDC
B7A Interface Unit
12 to 24 VDC
12 to 24 VDC
Separate Power Supplies
High-speed Transmission Delays (3 ms): Shielded Cable
Transmission distance: 50 m max.
Shielded cable: 0.75 mm
2
or higher
B7A Link Terminal
B7A Link Terminal
24 VDC±10%
B7A Interface Unit
Shielded cable: 0.75 mm
2
or higher
GND
GND
Common Power Supply
Transmission distance: 100 m max.
Shielded cable: 0.75 mm
2
or higher
B7A Link Terminal
B7A Link Terminal
12 to 24 VDC
B7A Interface Unit
Shielded cable: 0.75 mm
2
or higher
GND
GND
12 to 24 VDC
12 to 24 VDC
Separate Power Supplies
Note 1. We recommend grounding the shielded cable.
2. If shielded cable is not used, the maximum transmission distance is 10 m regardless of whether a com-
mon or separate power supplies are used. Use 0.75 mm
2
or higher VCTF cable.
3. To prevent noise on the transmission cable, do not lay it near power cables or high-voltage lines.
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