Replacing Electronics Module; Electrical Connection - Balluff BTL7-A501-M J-DEXC-TA12 Serie Betriebsanleitung

BTL7-A/E501-M_ _ _ _-J-DEXC-TA12
Magnetostrictive Linear Position Sensor – Rod Style
4
Installation and connection (continued)
4.4

Replacing electronics module

Explosions
Opening the housing can result in sparks which can trigger
explosions in explosive atmospheres.
► Do not open housing when an explosive atmosphere
may be present!
1. Disconnect power source.
2. Unscrew and remove housing cover.
3. Note wire locations for re-assembly and disconnect
wiring.
4. Disconnect the two electronics module retaining
screws (see Fig. 4-6).
4.5

Electrical connection

8 7 6 5 4 3 2 1
Fig. 4-6: Typical housing with connection terminal assembly, pin
assignment
14 english
DANGER
Retaining screws
8 7 6 5 4 3 2 1
Type of protection "db" and "t"
5. Carefully pull the electronics module out of the pressure
housing (avoid bending the measuring range).
6. Carefully slide new electronics module into the pressure
housing (avoid bending the measuring range).
7. Secure the electronics module using the two new
screws provided with the replacement module.
8. Connect wiring (see Electrical connection on page
14).
9. Remove and replace the housing O-ring with the new
O-ring provided with the replacement module.
10. Re-install the housing cover flush and tighten to
33...40 Nm (25...30 ft ∙ lb). Tighten secondary
retaining screws (ATEX).
Note the information on shielding and cable
routing (see Section 4.6).
Use 90°C rated conductors.
Flameproof enclosure