Instruction Manual

949-0529 Rev. 2 Page 5 of 8 December, 2004
WARNING: Do not attempt to operate this de-
vice with the cover removed. Potentially le-
thal voltage is present on some of the internal
components. Do not open the unit. There are
no internal adjustments or user serviceable
parts in the unit.
WIRING
Mount on DIN rail and wire per diagram.
LOVE CONTROLS
DIV. OF DWYER INSTRUMENTS, INC.
MICHIGAN CITY, IN 46361, U.S.A.
S/N:
MODEL:
MADE IN U.S.A.
290-2888
INPUT
ALARM A
ALARM B
1
7
N.C.
N.C.
N.O.
N.O.
COM
COM
4
10
2
8
5
11
3
9
6
12
POWER
T/C,V
&I
RTD
+
TM
MODE
1234
LO
HI
DIR
ALARM A
REV
LATCHING
NON LATCHING
SW2
MODE
5678
LO
HI
DIR
ALARM B
REV
OUTPUT
DUAL
SINGLE
12345678
1 2 3 4 5 6 7 8
ON
ON
1234
ON
12345678
ON
Using the figure below, set up the switches on SW2 for Alarm A and
Alarm B.
For dual alarm relays triggered by Alarm A, set
switch 5 to
DUAL. When switch 5 is set to DUAL (on),
switches 6 and 7 have no effect.
For SC1090, power is 85 to 265 Vdc/Vac 50 to 400 Hz.
For SCL1090 power is 12 to 24 Vdc/Vac 50 to 400 Hz. ±20%.