Connection; Pin Assignments - WIKA DMSU21SA Mode D'emploi

5. Commissioning, operation
5.5.5

Connection

1. Pass the connection cable through the cable gland and connect it.
Ensure that no moisture can enter at the cable end.
→ For pin assignment see chapter 5.6 "pin assignments".
EN
2. Tighten the cable gland.
Recommended tightening torque 1.5 Nm
■
Check that the seals are correctly seated in order to guarantee the ingress
■
protection.
3. Perform a mounting correction.
→ Via HART
→ With LC display, see chapter 8.8 "Mounting correction (offset)"
4. Attach the push-on cap or display and operating unit and screw the case head cover
tight down to the stop.
5. With instruments with stainless steel cases, ensure that the sealing ring is located
correctly within the sealing groove on the cover (no gap between cover and case).

5.6 Pin assignments

Cable gland M20 x 1.5 and spring-loaded terminals
Outlet for connection cable

Cable gland

Shield

22
®
, see chapter 7 "Configuration via HART

Pin assignment

Positive power supply terminal U+

Negative power supply terminal U-

WIKA operating instructions, model DMSU21A
interface"

