Page 1
User’s Manual ELECTRONICS INDUSTRIAL AUTOMATION PANEL METERS . SIGNAL CONVERTERS . LARGE DISPLAYS Series V . V4P APPLICATIONS YOUR METER ! Multisignal compact meter PANEL METERS. OEM APPLICATIONS Digital panel meter with compact size and multisignal, configurable to accept process signals (mA, Vdc), thermocouples, resistive temperature probes (Pt, Ni, PTC and NTC), resistances and potentiometers.
FEMA ELECTRÓNICA . Series V . V4P 1. Panel meter V4P Compact meter 72 x 36 mm (9/128 DIN), multisignal for OEM applications Compact size 72 x 36 mm panel meter, multisignal, for OEM applica- Designed for industrial use, with potential integration in to a wide tions. Accepts process signals (mA and Vdc) with excitation voltage range of applications, reduced cost, excellent quality and optional included, thermocouples K, J, E, N, L, R, S, B, T and C, resistive tem- customization of the instrument.
FEMA ELECTRÓNICA . Series V . V4P 1.8 Technical specifications Digits Functions included Section number of digits 7 segments led External control second scaling 1.20 color decimal point 0, 1, 2 or 3 height 14 mm ‘hold’ reading tare function Reading max.
FEMA ELECTRÓNICA . Series V . V4P 1.9 Internal jumpers Internal jumpers ‘S’ are associated to the signal range. The position Range Jumpers Jumper Range Jumpers Jumper of internal jumper ‘T’ assigns the function of the multifunction termi- ‘S’ ‘T’ ‘S’...
FEMA ELECTRÓNICA . Series V . V4P 1.10 Process measures • Measuring process signals • Start-up, connections and jumpers For instrument start-up follow the steps listed at section 1.2. Signal The instrument accepts the measure of process signals connections are indicated at section 1.6. Location for internal jump- in 4/20 mA and 0/10 Vdc.
FEMA ELECTRÓNICA . Series V . V4P 1.11 Measuring thermocouples • Thermocouples accepted • Compensated cable The instrument accepts direct connection of thermo- To correctly measure a thermocouple signal, always use compensat- couples type K, J, E, N, L, R, S, B, T and C. ed cable, of the thermocouple used, to connect the instrument and the thermocouple.
FEMA ELECTRÓNICA . Series V . V4P 1.12 Measuring with Pt and Ni probes • Accepted Pt and Ni probes • Terminal 5 ‘multifunction’ - ‘Pt100 3 wire’ or ‘External control’ The instrument accepts connection of Pt100, Pt500 and To configure for 3 wire Pt100 probes, set internal jumper ‘T’ at posi- tion 5-6 (see section 1.9).
FEMA ELECTRÓNICA . Series V . V4P 1.13 Measuring with NTC probes • Accepted NTC probes • Sensor break detection The NTC probe is a temperature variable resistor with a In case of sensor break, the instrument will show ‘h.ovr’ or ‘h.udr’ (see section 1.22) depending on the broken cable.
FEMA ELECTRÓNICA . Series V . V4P 1.15 Measuring resistances • Measuring resistive signals • Response times The instrument accepts the measure of resistances and The response time to a signal step is 300 mSeconds, independent of provides two ranges of measure from 0 to 5 K and from the signal range selected.
FEMA ELECTRÓNICA . Series V . V4P 1.17 Scaling 1.20 External control The ‘external control’ function allows to activate, by closing a free The instrument can scale the reading to any value between 9999 and potential contact, one of the following configurable functions : -1999 and configure the decimal point position, for all signal ranges except temperature ranges (thermocouples, Ni and Pt sensors, NTC •...
FEMA ELECTRÓNICA . Series V . V4P 1.23 Precautions on installation 1.25 Factory configuration Risk of electrical shock. Instrument terminals can be con- Range 4/20 mA nected to dangerous voltage. Scaling and decimal point 4/20 mA = 0/100.0 Alarms 1 Instrument protected with double isolation.
FEMA ELECTRÓNICA . Series V . V4P 1.28 To open the instrument 1.27 How to operate the menus Configuration menu To access the instrument insert a flat screw driver at tab ‘A’. Softly The ‘configuration menu’ modifies the configuration parameters to insert the screwdriver completely until reaching area ‘D’.
FEMA ELECTRÓNICA . Series V . V4P 1.29 Configuration menu 1.29.1 Input signal ranges Press ‘SQ’ (<) for 1 second to access the ‘configuration menu’. For a description on how to operate inside the menus see section 1.27. For a full vision of the ‘configuration menu’ structure see Access the ‘Input’...
FEMA ELECTRÓNICA . Series V . V4P 1.29 Configuration menu (cont.) 1.29.2 Scaling Scaling Decimal point Scale the reading at the ‘Scaling’ (‘ScAL’) menu. Temperature ranges (thermocouples, Pt and Ni probes, NTC and PTC probes) have direct temperature indication and are not scalable. Display Low To configure the scaling, enter the ‘Decimal point’...
FEMA ELECTRÓNICA . Series V . V4P 1.29 Configuration menu (cont.) • select parameter ‘Decimal point 0’ (‘dP.0’) to remove the decimal point on display. select parameter ‘Decimal point 1’ (‘dP.1’) to activate the decimal • Decimal point 0 point at position XXX.X Parameters ‘Decimal point 0’...
Page 17
FEMA ELECTRÓNICA . Series V . V4P 1.29 Configuration menu (cont.) • the ‘Eco mode’ (‘Eco’) is a function to reduce consumption of the instrument, by powering off the display when display is not needed. For consumption data in ‘Eco’ mode see section 1.8. For ‘Eco’...
FEMA ELECTRÓNICA . Series V . V4P 1.30 Full configuration menu Press ‘SQ’ (<) for 1 second to access the ‘Configuration menu’. See 1.29 section for a description of each menu entry. 4/20 mA range Input Process Scaling Decimal point 0/10 Vdc range Display Low thermocouple K Thermocouples...
Page 19
FEMA ELECTRÓNICA . Series V . V4P 1.30 Full configuration menu (cont.) Alpha 385 Decimal point 0 Alpha Alpha 390 Decimal point 1 Thermocouple cold junction compensation Cold junction ‘on’ or ‘off’ Decimal point 2 Minimum Brightness Decimal point 3 Standard Second scaling Maximum...