192
B7A Interface Unit Section 3-7
Standard Mode
Power Supply on One Side (Common Power Supply)
Power Supply on Both Sides (Separate Power Supplies)
High-speed Mode
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
2
or higher.)
Power Supply on One Side (Common Power Supply)
V1
SIG1
G1
V2
SIG2
G2
V3
SIG3
G3
V4
SIG4
G4
V
G
+
−
B7A Interface Unit
12 to 24 V DC
Transmission distance: 100 m max.
Transmission cable: VCTF 0.75mm
2
min.
B7A Link Terminal
B7A Link Terminal
V1
SIG1
G1
V2
SIG2
G2
V3
SIG3
G3
V4
SIG4
G4
V
G
−
SIG
−
+
+
+
−
B7A Interface Unit
12 to 24 V DC
Transmission cable: VCTF 0.75mm
2
min.
B7A Link Terminal
B7A Link Terminal
12 to 24 V DC
Transmission distance:
500 m max.
12 to 24 V DC
V1
SIG1
G1
V2
SIG2
G2
V3
SIG3
G3
V4
SIG4
G4
V
G
+
−
Ground
Shielded cable:
VCTF 0.75mm
2
min.
Transmission distance:
50 m max.
Ground
Shielded cable:
VCTF 0.75mm
2
min.
B7A Interface Unit
12 to 24 V DC
B7A Link Terminal
B7A Link Terminal