Omron SYSMAC CS Series Operation Manual page 290

B7A Interface Units
Wiring Methods
Standard Mode
High-speed Mode
252
Note 1. Confirm that terminals are connected correctly. If connections are incor-
rect, the internal components of the B7A Interface Unit and B7A Link Ter-
minal may be damaged.
2. Route the signal lines in separate ducts both inside and outside the control
panel to isolate them from power lines.
3. Connect cables at a distance that is within the range given in the specifi-
cations.
4. Always turn OFF the power to the CPU Unit and all other Units before con-
necting the communications cables.
5. Always lay communications cables within ducts.
■
Common Power Supply
B7A Interface Unit
SIG
SIG
12 to 24 VDC
■
Separate Power Supplies
B7A Interface Unit
SIG
SIG
12 to 24 VDC
Note If shielded cable is not used, the maximum transmission distance is 10 m
regardless of whether a common or separate power supplies are used. (Use
VCTF cable of 0.75 mm
Transmission distance: 100 m max.
Transmission cable: VCTF, 0.75 mm min.
2
12 to 24 VDC
Transmission distance: 500 m max.
12 to 24 VDC
Transmission cable: VCTF, 0.75 mm 2 max.
2
or higher.)
Section 3-8
B7A Link Terminal
B7A Link Terminal
B7A Link Terminal
B7A Link Terminal