6.5.1.
Terminal compartment: open
Figure 40: Open terminal compartment
[1]
Cover (illustration shows type of protection Ex e)
[2]
Screws for cover
[3]
O-ring
[4]
Blanking plugs
[5]
Cable gland (example)
[6]
Connection frame
Electric shock due to presence of hazardous voltage!
Death or serious injury.
→
Disconnect device from the mains before opening.
→
Wait for 30 seconds after power cut-off prior to opening the housing.
1.
Loosen screws [2] and remove cover [1].
Information: Terminal compartment is designed either in type of protection Ex
e (increased safety) or in type of protection Ex d (flameproof enclosure) (refer
to Ex marking on name plate). The flameproof interior of the connected device
remains closed when removing the cover [1].
2.
Insert cable glands suitable for connecting cables.
Information: When selecting cable glands observe type of protection (with Ex e
or Ex d approval) and enclosure protection IP (refer to name plate).
The type of protection stated on the name plate IP is only ensured if suitable
cable glands are used.
Figure 41: Name plate, example with enclosure protection IP68
Information: For shielded cables: Use EMC cable glands.
3.
Seal unused cable entries with approved plugs suitable for the required protec-
tion type.
39
SQVEx 05.2 – SQVEx 14.2/ SQRVEx 05.2 – SQRVEx 14.2 Control unit: electronic (MWG)
ACVExC 01.2 Modbus RTU
Electrical connection