Wiring (Wir); Ct Ratio (Ct P, Ct S) - ABB D1M 15 User Manual

D1M 15 MULTIMETER USER MANUAL

6.2.Wiring (WIR)

In order to configure the type of network it is needed to choose one of the available options according to
the installation conditions.
CFG>ISTL>WIR
Type Description
3N3T Three-phase, four-wire and 3 CTs
3N1T Three-phase, four-wire and 1 CT
3 3T Three-phase, three-wire and 3 CTs
3 2T Three-phase, three-wire and 2 CTs
3 1T Three-phase, three-wire and 1 CT
2N2T Two-phase, three-wire and 1 CT
1N1T Single-phase, two-wire and 1 CT

6.3.CT ratio (Ct P, Ct S)

D1M is capable to measure current only via indirect connection by means of current transformers
CTs.../5A or .../1A.
It is needed to set the transformation ratio of the installed current transformers.
In order to configure the current transformers ratio, it is possible to set the primary (CT P) and secondary
(CT S) of the current transformer.
CFG>ISTL>CT
1. Scroll the list of fields "Up" or "Down"
2. Select one option by pressing "OK"
1. When the number of the primary CT is set, press
Button "OK"
2. Use Button "Up" and Button "Down" to select the
magnitude
3. Press button "OK" to confirm the setting of the
primary CT
4. Press button "Down" to go to the setting of the
secondary CT
5. Select the secondary CT among 1 and 5A
6. Press button "OK" to confirm the setting of the
secondary CT
21