Technical features – Carlo Gavazzi WM4-96 User Manual

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Technical features

General specifications

RS232

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Alarm outputs (on request)

Number of set-points: up to 4, independent.

Alarm type: up alarm, down alarm, with or without latch,

phase asymmetry, phase loss, neutral loss.

Monitoring of the variables: all the variables listed in the

paragraph “List of the connectable variables”.

Set-point adjustment: 0 to 100% of the electrical scale.

Hysteresis: 0 to 100% of the electrical scale.

On-time delay: 0 to 255 s.

Relay status: selectable: normally de-energized or normal-

ly energized

Output type: relay, SPDT, AC 1-8A, 250VAC, DC 12-5A,

24VDC, AC 15-2.5A, 250VAC, DC 13-2.5A, 24VDC

Min. response time:

≤

150 ms, filters excluded, FFT

excluded, set-point on-time delay: ”0s”.

Insulation: 4000 V

RMS

output to measuring inputs, 4000

RMS

output to power supply input. Notes: the outputs can

be either open collector type or relay type (for the relay out-

put refer to the specifications described in the “alarm out-

puts” section).

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Software functions

Password: numeric code of max. 3 digits; 2 protection lev-

els of the programming data.

1st level: password “0”, no protection.

2nd level: password from 1 to 499, all data are protected.

Note: by entering in the programming mode by means of

password, the measurement is inhibited.

Operating mode selection: direct measurements for the