
Functional description
MSM-USM2G-BA-UK-001
Page 19 of 46
* The power consumption of 32- and 48-way annunciators with integrated repeat relays refers to a
maximum number of 2 relay cards (16 relays).
General data
Buffer time in the event of
failure / short circuit
100 ms*
response delay
adjustable
(5 ms …
9 h)
Flashing frequency
Single frequency flashing
2 Hz
Slow flashing
0,5 Hz
Load capacity of relay contacts
24 ... 250 V AC 2 A; 110 V DC 0,5 A;
220 V DC 0,3 A
Ethernet interface
100 Base-T / RJ45
* Storage of the last state of inputs and sequence in the event of power failure.
Mechanical Data
Table 3.6: Dimensions - USM
* USM-
…
-R are variants with integrated repeat relays.
** An 16-way annunciator with 16 integrated repeat relays and/or 2
nd
interface card can only be
realised in the variant 16 wide (housing 96 x 192 mm).
Mounting
panel mounting
Required installation depth
120 mm
Minimum horizontal gap
Between 2 devices
15 mm
Connection terminals
pluggable
Wire cross section rigid or flexible
Without wire sleeves
0,2 ... 2,5 mm
2
With wire sleeves
0,25 ... 2,5 mm
2
Ambient environment
Operating ambient temperature
-20°C .... +60°C
Storage temperature
-20°C .... +70°C
Duty cycle
100 %
Protection class at the front
IP 54
Protection class at the rear
IP 20
Humidity
75% r.h. max. on average over the year;
up to 93% r.h. during 56 days;
condensation during operation not permitted
[Test:40°C, 93% r.h. > 4 days]
Type
BSM/USM
Front frame
H x W x D [mm]
Panel cut-out
[mm]
Depth with front frame
and terminals [mm]
Weight
[kg
]
08
08-
…
-R*
96 x 96 x 8
92 x 92
100
approx. 0,40
16
96 x 96 x 8
92 x 92
100
approx. 0,45
16-
…
-R**
24
24-
…
-R*
32
96 x 192 x 8
92 x 186
100
approx. 0,70
40
40-
…
-R*
48
96 x 287 x 8
92 x 282
100
approx. 1,00