ABB Modures LZ91 - Page 48

--
Code Feature
Specification/Component change
-·
Ul Rated voltage
100
to 130
v
a.c.
}
U2 Rated
voltage 200
to 260 v a.c.
depending on
component ratings
Al
Rated current
1 A
a.c.
}
HESG 438 454
A5
Rated
current 5 A
a.c.
choice of terminals
(see Sec. 5.3)
A2
Rated current
2 A
a.c. HESG 438 454 acc.
to components
------
-----------------
fitted
,_ ____ ---- - ---- --
--
Al
Rated
current 1 A
a.c.
}
HESG 440 754 resp. HESG 441
721
A2 Rated
current 2 A
a.c.
depending on component
ratings
A5 Rated
current 5 A
a.c.
and calibration on PCB 1
F5/F6 Rated
frequency
50 Hz/60 Hz HESG
438 454
W115
and R44, R45, R46 and Ei
F5/F6
Rated
frequency
50
Hz/60 Hz HESG 440
754
resp. HESG 441 721)
Wl5, Wl6,
W17, W18 and Ei
K.O k
amplitude
}
K.l k
0
amplitude and phase-angle
HESG 438 454
Kl. w~th tripping unit
KO.
without tripping unit
>---- -
---
+------- - -- -- -- ----
r- -- -- _._ -- -- -- ---- --- -·-
Kll k amplitude
and phase-angle HESG 440 754
resp.
HESG 441
721
0
EO to
ES
Opto-coupler input voltage HESG
43S
454
R25, R26
i------- -
......... -- - -- -- - -- -- --
~
----~--~- ----------
Ell to E13 Opto-coupler input voltage HESG 440
754
resp.
HESG 441
721
R144, R146
El to E4
Opto-coupler input Q
} HESG 438 454
E5 to ES Opto-coupler input Q W61
----- ---- - ------ ---- ---
>"-------------
---
-
Opto-coupler
input
Q,
Q
HESG 440
754
resp. HESG 441
721
W61
Ei works calibration (module No.)
LB. soldered link No.
LO PCB lay-out change at the works (different PCB)
Wi resistor No.
Table 9.15 - Features of plug-in unit EW91
46