SICK TTC100-2, Addendum To Operating Instructions

Page: 39 / 85

ELECTRICAL INSTALLATION 5
39
8027439/V1-0/2022-02|SICK
Subject to change without notice A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | Track and trace cabinet TTC100-2
5.2 Notes on electrical installation
5.2.1 Required wire cross-sections
Connection Component
Switching inputs/outputs At least 0.25 mm
2
Data interfaces At least 0.22 mm
2
Supply voltage The cable to the cabinet must be at least 2.5 m long
for a wire cross-section of
≤ 4 mm
2
.
Tab. 4: Required wire cross-sections
▸
NOTE! Lay the cables such that there is no risk of people tripping over them and the
cables are protected against damage.
5.2.2 Recommended lengths of cable
The recommended maximum lengths of cable depending on the interface design and the
data transmission rate are as follows:
Interface type Data transmission list Distance to the target computer (host)
RS-232 Up to 19.2 kBd
38.4 ... 115.2 kBd Max. 10 m
Max. 3 m
RS-422 1) Max. 38.4 kBd
Max. 57.6 kBd
Max. 115.2 kBd Max. 1,200 m
Max. 500 m
Max. 10 m
Ethernet 10/100 MBit/s Max. 100 m
1)
With the corresponding cable termination as per the specification
Tab. 5: Maximum lengths of cables for the serial data interfaces
NOTE!
▸
Use shielded data cables with twisted-pair wires.
▸
To avoid interference (e.g., from switching power supplies, motors, clocked drives,
and contactors), always use suitable EMC cables and layouts.
▸
To prevent interference factors, do not lay data cables over a longer route in parallel
with voltage supply cables and motor cables (e.g., in cable channels).
The maximum length of cable for the CAN sensor network must not exceed 76 m.
Otherwise, it may not be possible to achieve the required data transmission rate of
500 kBit/s.
The maximum length of each individual stub cable to the CAN network is 6 m.
The required wire cross-section for the data cable depends on the total length of the
network. The following table shows the overview as per ISO 11898.
Length of cable Required wire cross-section (data cable)
0 ... 40 m ≥ 0.25 mm 2
40 ... 300 m ≥ 0.34 mm 2
300 ... 600 m ≥ 0.5 mm 2
600 ... 1,000 m ≥ 0.75 mm 2
Tab. 6: Required wire cross-section for CAN data cables
Serial data interfaces
CAN data interfaces