CM2N3204E / 05.2001 Siemens Building Technologies
12/20 Landis & Staefa Division
The controller is supplied with factory set control functions and parameters. If required,
configure the RWI65.02 for various logical functions such as electric heating which is
also subject to specific safety regulations.
You can change the configuration with the help of the built-in DIL switches.
Use the function buttons on the respective operating levels to change values. Any
change is immediately saved on pressing the acknowledge button (when the display
stops flashing).
Note changed values on the rear of the operating instructions (folded sheet).
Operating voltage AC 24 V ±20 %
Safety extra-low voltage (SELV) as per EN 60 730
External transformer (100 % duty) as per EN 60 742
Fusing of supply line (external) 10 A max.
Frequency 50 Hz or 60 Hz
Power consumption 10 VA
Digital inputs E1...E8
Voltage at open input DC 20...23 V
Logic 0
<DC 1 V
Logic 1
>DC 5 V
Current at "Logic 0" 9 mA
Perm. line lengths with copper 1.5 mm
2
300 m max.
Analog inputs B1, B2, B4, B9, Z
Sensors
Passive LG-Ni1000 Ω
Active DC 0...10 V
Measuring range −50...+150 °C
Perm. line lengths with copper 1.5 mm
2
200 m max.
Setpoint transmitter
Passive 1000...1235 Ω
Active DC 0...10 V
Setting range −50...+150 °C
Perm. line lengths dep. on transmitter type
Analog outputs Y10, Y20, Y30
Output voltage DC 0...10 V
Output current
±1 mA max.
Max. load sustained short-circuit
Relay outputs Q13/Q14/Q24, Q33/Q34/Q44
Switching capacity, voltage AC 19 V min., 265 V max.
Switching capacity, current at AC 19 V 20 mA min., 4 A / 3 A
1)
max.
Switching capacity, current at AC 265 V 5 mA min., 4 A / 3 A
1)
max.
Relay output F91
Output voltage AC 24 V
Switching capacity, current 20 mA min., 4 A / 3 A
1)
max.
1) at cos ϕ = 0.6
Protection class III as per EN 60 730
Housing protection
When mounted on a flat wall IP 40 as per EN 60 529
When mounted in a control panel front
Casing IP 40 as per EN 60 529
Base IP 20 as per EN 60 529
Operation as per IEC 721-3-3
Climatic conditions class 3K5
Temperature −5...+50 °C
Humidity (non-condensing)
<85 % r.h.
Settings
Recommendation
Technical data
Power supply
Inputs
Outputs
Degree of protection
Environmental
conditions
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