Operating instructions

114/126
Siemens Building Technologies SED2 variable speed drives CM1U5192en
HVAC Products Technical data for the SED2 01.2002
Min. input current: 6 mA (actual: 8 mA) at ≥15 V.
Logical 0 = <3 V, logical 1 = >13 V.
Max. input voltage: 33 V.
Number:2
Can be changed over for 0 to 10 V or 0/4 to 20 mA, (programmable scaling/parameter).
Factory setting: 0 to 10 V.
Terminals used: 12, 13, 26, 27
#
.
Impedance on configuration 0 to 10 V: 1k
Ω.
Read cycle: 10 ms.
2 programmable relays, 6 contacts.
Terminals used: RL1:18, 19, 20; RL2: 23, 24, 25
#
.
Max. contact rating: DC 30 V / 5 A, (resistive).
AC 250 V / 2 A (resistive).
Galvanically separated, unregulated auxiliary supply (18 to 32 V), 50 mA..
Terminal 9.
RS 485,(RS 232 optional with converter).
Protocols: USS, P1, and N2.
Transmission rate: Up to 38.4 kBaud (default 9.6 kBaud).
≥0.7
96 to 97%.
Less than nominal input current.
DC braking, dynamic braking.
Corresponds to the requirements of the low-voltage guideline 73/23/EEC,
supplemented by guideline 98/68/EEC and EMC.
If installed according to the recommendations issued in this manual, the SED2
satisfies all EMC guideline requirements as defined in the EMC Product Standard
for Power Drive Systems EN61800-3.
IP20 / NEMA 0
Frame size W x H x D (mm) Weight (kg)
A without filter
A with filter
73 x 173 x 149
73 x 200 x192.5
1.3
2
B without filter
B with filter
149 x 202 x 172
149 x 213 x 222.5
3.4
4.2
C without filter
Cwithfilter
185 x 245 x 195
185 x 245 x 250
5.5
6.7
D without filter
Dwithfilter
275 x 520 x 245
275 x 520 x 245
16
17
E without filter
E with filter
275 x 650 x 245
275 x 650 x 245
20
22
F without filter
Fwithfilter
350 x 850 x 320
350 x 1150 x320
56
75
Analog outputs
Relay outputs
Auxiliary supply 24 V
Serial interface
Power factor
VSD degree of efficiency
Switch-on current
Braking
CE conformity
Dimensions and weight
(frame sizes A to C
IP20 / NEMA 0)