Instruction Manual

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9-4

IM 01R04B04-00E-E 8th edition March 01, 2011 -00

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WARNING

1. Ex type of ROTAMASS must be connected to the suitable IS earthing system (see

installation diagram). Converter case must have connection to the potential equalisation

facility. If the

connecting process tubing is part of the potential equalisation, no additional

connection is required .

2. Use the certied cable glands, suitable for the conditions of use. The delivered cable glands are only for

Ex e use. For Ex d use d-type cable glands.

3. Please conrm that the ground terminal (inside the terminal enclosure) is rmly

connected by means of a clip-on eye-let.

4. Ex-e terminals for power supply and I/O-lines are designed for cables with cross section of 0.08 mm²

(AWG 28) to 2.5 mm² (AWG 22). The strip length must be 5 to 6 mm (0.2 to 0.24 in).

Cable glands for power- and I/O-cables :

RCCT3x-xxxM :

Ex e types are enclosed. These cable glands can also be used for “dust application” (D).

Use ATEX-certied Ex d cable glands for Ex d condition.

RCCT3x-xxxA : No cable glands are enclosed. Use the ATEX-certied cable glands, suitable for the

conditions of use (Ex de or Ex d or dust application).

For “dust application” (D) use cable glands with minimum IP67 protection !

Installation diagram (option /KF1):

L/+

N/-

Power supply

I/O control

Hazardous area Safe area

I/O

Rotamass RCCT3

F91.EPS

Terminal Box

Detailed information for connection intrinsic safe outputs (option /KF2) see chapter 4.8.8.