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Description

The LG 7928 can be used for delayed stopp with status request of the safety relays (Stop category 1 acc. to DIN EN 60204-1) or controlled stopping of plant components.

Technical specifications
1- / 2-channel: 1
Approvals: UL
Cat. / PL acc. to EN ISO 13849-1: 3/d
Connection: Pluggable cage clamp terminals, Pluggable screw terminals, Screw terminals
Nominal voltage: AC/DC
Output contacts max.: 1 NC contact, 4 NO contacts
SIL CL acc. to IEC/EN 62061: 2
SIL acc. to IEC/EN 62061: 2
Thermal current Ith max.: 5 A
Thermal current Ith max.: 5
Time delay max.: 600 s
Type: LG 7928
Width: 22,5 mm
Advantages / Customer benefits
  • Easy to realise safe timing circuits
  • 4 forcibly guided output contacts at only 22.5 mm width
Features
  • Can be used in conjunction with a suitable switchgear / control unit in safety applications as follows:
    - Up to PL d and category 3 according to EN ISO 13849-1
    - Up to SIL 2 according to EN 61508 and EN 61511
  • Adjustable time delay
  • As option fixed time delay
  • High long life stability due to digital time base
  • Adjustable with or without cross fault detection
  • Output: 3 NO contacts + 1 NC contact + 1 forcibly guided feedback contact or 4 NO contacts + 1 forcibly guided feedback contact
  • LED indicator for channel 1, 2 and operation voltage
  • Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid DIN 46228-1/-2/-3/-4
  • As option with pluggable terminal blocks for easy exchange of devices
    - With screw terminals
    - Or with cage clamp terminals
  • Width 22.5 mm