Operating Conditions; Operation Of The 3-Phase-/4-Conductor Meter; A) General Display Functions; B) Operating State Display, Standard Supply Meter Process - VOLTCRAFT VSM-105-60 Bedienungsanleitung

6. OPERATING CONDITIONS

The rotary current meter "VSM-105" can be used as a 4-conductor meter (3 x 230/400 V) or as a 2-conductor meter (230 V in L2) in meter
place systems with meter rooms pursuant to DIN VDE0603 part 1, DIN 43853. The maximum threshold current of 60A should not be exceed-
ed. Under these conditions, the meter complies with accuracy class A pursuant to EN50470.
The meter complies with protection class II and the casing with protection class IP54; it can be used in temperatures of -25 °C to +55 °C and
a humidity of <100%.

7. OPERATION OF THE 3-PHASE-/4-CONDUCTOR METER

a) General Display Functions

The display is a non-backlit liquid crystal display (LCD) with the following signs / symbols.
1 Power display in kWh (meter state) 8 digits (1 decimal digit)
2 Additional fields, e.g. for supply and delivery display, only for two-direction-
al meters
3 Exclamation mark flashes when no power is counted, e.g. if power is fed
into the mains in a pure supply with backflow lock.
4 Applied conductor voltages
1
5 Keypad with 5 / digits and prefix for power display in watt or functional
2
error display
b) Operating State Display, Two-Directional Meter Process
Programme code firmware version, display duration approx. 2 seconds
Display test (display of all segments) display duration approx. 2 seconds
Operation display with power value display, current output and connected
conductors
Display update every second, display duration approx. 60 seconds
1
2 3 4 5
15