Bender AF460, Руководство пользователя

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TGH1402en/11.2020 15
MF loop monitor
Time behaviour
Start-up delay t .................................................................................................................................................... 1…10 s (1 s)*
Response delay t
on2
(Alarm) .............................................................................................................................. 0.1…1 s (0,2 s)*
Response delay t
on1
(pre-warning) .................................................................................................................... 0.1…1 s (0,2 s)*
Delay on release t
off
............................................................................................................................................... 1…10 s (1 s)*
Operating time t
ae
........................................................................................................................................................ ≤ 100 ms
Response time t
an
................................................................................................................................................. t
an
= t
ae
+ t
on1/2
Cable lengths for measuring current transformers
Single wire ≥ 0.75 mm
2
................................................................................................................................................. 0…1 m
Single wire, twisted ≥ 0.75 mm
2
................................................................................................................................. 0…10 m
Shielded cable ≥ 0.5 mm
2
............................................................................................................................................ 0…40 m
Recommended conductor
(shielded, shield one-end at terminal l of SRCM420 and not earthed)
......................................................................................................................................................................J-Y(ST)Y min. 2 x 0.8
Connection ......................................................................................................................................................... screw terminals
Displays, memory
Display range measuring value ................................................................................................................................ 2…250 mA
Operating uncertainty ................................................................................................................................. 0…-30 %/± 2 digit
Password ......................................................................................................................................................... off/0…999 (off)*
Inputs/outputs
Cable length for external TEST/RESET button ............................................................................................................... 0…10 m
Switching elements
Switching elements ............................................................................................. 2 x 1 changeover contact, 11-12-14, 21,22, 24
Operating principle ................................................................................................................................................ N/C operation
Electrical endurance/number of cycles .............................................................................................................................. 10 000
Contact data acc. to IEC 60947-5-1
Utilisation category ................................................................................................. AC-13…AC-14…DC-12…DC-12…DC-12
Rated operational voltage ............................................................................................ 230 V…230 V…24 V…110 V…220 V
Rated operational current ....................................................................................................... 5 A…3 A…1 A…0.2 A…0.2 A
Minimum contact rating ............................................................................................................................ 1 mA at AC/DC ≥ 10 V
Environment/EMC
EMC ............................................................................................................................................................... IEC 62020: 2003-11
Operating temperature ..................................................................................................................................... -25 ºC…+55 ºC
Classification of climatic conditions acc. to IEC 60721
Stationary use (IEC 60721-3-3) ....................................................................... 3K23 (except condensation and formation of ice)
Transport (IEC 60721-3-2) .............................................................................. 2K11 (except condensation and formation of ice)
Long-term storage (IEC 60721-3-1) ............................................................... 1K22 (except condensation and formation of ice)
Classification of mechanical conditions acc. to IEC 60721
Stationary use (IEC 60721-3-3) ........................................................................................................................................... 3M11
Transport (IEC 60721-3-2) .................................................................................................................................................... 2M4
Long-term storage (IEC 60721-3-1) ................................................................................................................................... 1M12