Quick Start Guide
D103470X012
DLC3020f Digital Level Controller
April 2022
11
1. Remove the terminal box cover (key 6) from the terminal box (key 5).
2. Bring the field wiring into the terminal box. When applicable, install conduit using local and national electrical codes
which apply to the application.
3. Connect one wire from the control system output card to the LOOP + terminal in the terminal box as shown in
figure 8. Connect the other wire from the control system output card to the LOOP - terminal. The instrument is not
polarity sensitive.
WARNING
Personal injury or property damage, caused by fire or explosion, can result from the discharge of static electricity. Connect
a 14 AWG (2.08 mm
2
) ground strap between the digital level controller and earth ground when flammable or hazardous
gases are present. Refer to national and local codes and standards for grounding requirements.
safety ground terminal is electrically identical to the earth ground. Make connections to these terminals following
national and local codes and plant standards.
5. Replace and tighten the terminal box cover, ensuring that it is weather‐tight; engage the optional set screw lock if
required.
SAFETY GROUND
LOOP+
LOOP-
RTD
CLIP‐ON +
CLIP‐ON -
SIMULATE ENABLE
Figure 8. Terminal Box Assembly
