Belimo Siemens Compact Comparison OPTIMA S202110

Belimo - Siemens compact comparison
Parameters/features
Identical Similar
(no signicant difference)
Entirely different
Belimo Siemens
Type
OPTIMA-S(SI)...BLC1MOD OPTIMA-S(SI)-FC...SM
Mechanical design,
sizes, casing, damper,
measurement probe,
connections, gaskets,
impulse tubing, insulation
Tightness acc. to EN1751 4C/3C
4C/3C
Q / ∆P / L
w
Parameters
(see design.systemair.com)
50 100 150 m³/h
10 20 30 40 50 l/s
250
500
750
1000
Pa
40 dB(A)
40 dB(A)40 dB(A)
50 dB(A)
50 dB(A)50 dB(A)
60 dB(A)
60 dB(A)60 dB(A)
70 dB(A)
70 dB(A)70 dB(A)
80 dB(A)
80 dB(A)80 dB(A)
50 100 150 m³/h
10 20 30 40 50 l/s
250
500
750
1000
Pa
40 dB(A)
40 dB(A)40 dB(A)
50 dB(A)
50 dB(A)50 dB(A)
60 dB(A)
60 dB(A)60 dB(A)
70 dB(A)
70 dB(A)70 dB(A)
80 dB(A)
80 dB(A)80 dB(A)
VAV control parameters
& adjustment ranges
V
min
, V
max
, V
nom
V
min
, V
max
, V
nom
Typical control error ±5 %
±5 %
Setpoint & feedback
signal type
DC 0 V ... 10 V, 2 V ... 10 V
-
Choice of feedback
information
on analog output
Air ow, pressure, damper position
-
BUS interface
Modbus RTU (RS485),
BACnet MS/TP (RS485)
Modbus RTU (RS485)
Power supply DC 24 V, AC 24 V
AC 24 V
Power consumption < 5 VA
< 5 VA
Actuator typical
transition time
120 s
150 s
Override modes
(hard-wired)
Open, Close, V
min
, V
max
(AC 24 V power supply)
-
Override modes
(BUS)
Open, Close, V
min
, V
max
Open, Close, V
min
, V
max
Handheld
conguration tool
Belimo ZTH-EU
Siemens AST20