Replacing Electronics Module; Electrical Connection - Balluff BTL7-S5 M J-DEXC-TA12 Serie Manual De Instrucciones

BTL7-S5_ _ (_)-M_ _ _ _-J-DEXC-TA12
Magnetostrictive Linear Position Sensor – Rod Style
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 2 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 2 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).
14 english
Ignition protection "d"
Flameproof enclosure
4.5

Electrical connection

8 7 6 5 4 3 2 1
Fig. 4-6: 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.
Pin Wire
color 1)
BTL7 standard
BTL7-S5_ _...
1 YE yellow
2 GY gray
3 PK pink
4 BU blue
5 BN brown
6 GN green
7 RD red Not used
8 WH white Not used
1) Recommended wire color when using the USB communication box
(see Fig. 7-1 on page 20)
2) Reference potential for supply voltage and EMC-GND.
3) Unassigned leads must be connected to GND on the controller side
but not to the shield.
Tab. 4-1: Connection assignments
Retaining screws
8 7 6 5 4 3 2 1
Signal
BTL7 USB-
Configurable
BTL7-S510...
+Clk
+Data
–Clk
GND 2)
10...30 V
–Data
3) La
(communication
line)
3)
Lb
(communication
line)