Hardware and Connections
2-18 7SA6 Manual
C53000-G1176-C133-1
After the wires are crimped, the contacts are pressed into the terminals of the connec-
tor until they snap into place..
The following separation tool is needed to remove the contacts from the pin connec-
tors:
Type: 725840–1 from AMP Corp.
The separation tool contains a small tube that is subject to wear. The tube can be or-
dered separately:
Type: 725841–1 from AMP Corp.
2.1.4 Connections to Optical Communication Interfaces
Optical
Communication
Interfaces with
ST-connector
The three available versions of optical communication interfaces with ST-connector
are shown in Figure 2-18. The ports are supplied with caps to protect the optical com-
ponents against dust or other contaminants. The caps can be removed by turning
them 90° to the left.
Figure 2-18 Optical communication interfaces with protective caps
Connections to
Optical
Communication
Interfaces with
ST-connector
Optical connector type: ST–connector
Fibre type: Multimode graded-index (“G”) optical fibre
G50/125 µm,
G62.5/125 µm,
G100/140 µm
Wavelength: λ = 820 nm (approximately)
Allowable bending radius:
For indoor cable r
min
= 5 cm (2 in)
For outdoor cable r
min
= 20 cm (8 in)
Laser class 1 (acc. EN 60825–1) is achieved with fibre type G50/125 µm and
G62.5/125 µm.
Note:
Stress relief for individual pin connector must be provided with cable ties. Stress relief
must also be provided for the entire set of cables, e.g., cable ties.
2 channel 1 channel
Ch1
P-Slave
Ch2
P-Master
UART
Ch1
P-Slave AMO
1 channel
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