Bartec BCS 3608ex-NI, Руководство пользователя

Страница: 36 / 76

4 Product description
Handscanners
BCS 3600
ex
series
34 / 72
Subject to technical modifications
17/05/18
4.6.5 Permissible connection cable cross sections
Cable gland Permissible connection cable cross sections
Ex e M16x1.5 (black) 4 mm - 9 mm 0.16” – 0.35”
Tab. 21: Permissible connection cable cross sections
4.6.6 Terminals for external conductors
Pay attention to EN 60079-14 (Explosive atmospheres – Part 14: Electrical installations design,
selection and erection) when connecting the external conductors to the terminals in a potentially
explosive atmosphere.

Lay conductors according to the terminal assignment. Equipotential bonding is not required
because the power supply is galvanically isolated.
4.6.7 Recommendation for the data line
BARTEC recommends using the following cable:
‒ Standard, shielded data line to prevent external disturbances to the data line
‒
CAT5 cable or better
‒
The following core cross sections and number of cores:
Interface Recommended core cross
section Number of cores
RS 232 0.2 mm
2
– 2.5 mm
2
24 – 14 AWG
3
RS 422 4
RS 485 4
USB 4
Tab. 22: Recommended core cross sections and number of cores