Festo CMSX-C-U-F1 Series Manual page 19

CMSX-...-C-U-F1-...
4
6
1
1
Pin numbering of the terminal strips
Fig. 15 Stabilization of the signal value by a bridge
1. Switch off the power supply and the compressed air supply.
2. Loosen the housing screws (è Fig. 1, 3 ). Remove the cover of the housing.
3. Guide the electric connecting cable through the cable connector to the terminal strips.
– Outside diameter of the electric connecting cable: 10 ... 14 mm.
– Conductor cross-section: Max. 2.5 mm²
– Use wire end sleeves.
Note
Installation errors can damage the electronics and fast-switching valves or cause mal­
functions.
• Leave the cable at pin 9 unchanged (è Tab. 4). This cable is internally connected to
the earth terminal at the plant (è Fig. 16, 2 ).
4. Wire connections (è Tab. 4).
– Tightening torque: Max. 0.6 Nm.
5. Connect the earth terminal (è Fig. 16, 2 ) with low impedance (short cable with large cross section)
to the earth potential.
6. Tighten the union nut on the cable connector.
– Tightening torque: 2 Nm.
7. If commissioning is to be carried out immediately after installation, leave the cover dismounted.
8. Place the housing cover in position and tighten the 4 housing screws (è Fig. 1, 3 ).
– Observe the correct position of the seals.
– Tightening torque: 1.5 Nm.
Festo – CMSX-...-C-U-F1-... – 1506a English 19