Balluff BTL7-A/E501-M Series, User Manual

Page: 48 / 194

14 english
4.5 Electrical connection
Fig. 4-6:
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
Retaining screws
Typical housing with connection terminal assembly, pin
assignment
Note the information on shielding and cable
routing (see Section 4.6).
Use 90°C rated conductors.
4
Installation and connection (continued)
4.4 Replacing electronics module
DANGER
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).
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. Re-install the housing cover flush and tighten to
33…40 Nm (25…30 ft ∙ lb). Tighten secondary
retaining screws (ATEX).
BTL7-A/E501-M_ _ _ _-J-DEXC-TA12
Magnetostrictive Linear Position Sensor – Rod Style
Type of protection “db” and “ta”
Flameproof enclosure