User Manual

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Siemens RXM39.1 - PL-Link I/O Block CM2N3836en_06
Building Technologies 2016-05-19
Operating notes
• When power is off, all outputs are inactive
• When KNX PL-Link communications fails, all outputs go to the configured
backup values (after 2 x Heartbeat time).
Technical data
Power
Rated voltage
AC 230
Frequency
50 / 60 Hz
Power consumption incl. connected field
devices
Max. 12
VA
Internal fuse
Thermal, irreversible
External supply line protection (EU)
Slow
-blow fuse max. 10 A
or
Circuit breaker max. 13 A
Characteristic B, C, D according to
EN 60898
Protection
Protection against faulty wiring on AC 230 V
No protection for On / outputs
Inputs
Status inputs (D1...D4)
Quantity
4
(for potential-free contacts)
Contact voltage.
DC 16 V
Contact current
DC 5 mA
Contact transfer resistance
Max. 100 Ohm
Contact insulation resistance
Min. 50 kOhm
Switching time:
Min. 20 ms “ON”, min. 20 ms “OFF”
Heartbeat
1 s
For time critical functions as light and blinds, use KNX PL-Link pushbuttons.
D1...D4 are not suitable for these purposes because of the low sampling rate.
Protection against faulty wiring on AC 24 V
Protected
Measured value input
Connectable temperature sensor
LG-Ni 1000
B1, B2
Quantity
2
Measuring range
0...50 °C
Sensor current
0,5 mA
Resolution
0.1 K
Measur
ing error at 25 °C sensor temp.
(without line resistance)
Max. 0,5 K
Heartbeat
10 s
Protection against faulty wiring on AC 24 V
Protected
DC 0...10 V outputs
Quantity
3 (YC1...YC3)
(SELV)
Voltage range
0...10 VDC
Under / over range
DC-0.1...10.5 V
Output current
Max. 1.5 mA
Resolution (accuracy)
11 bit (100 mV)
Time constant
100 ms.
Protection against overload
Short circuit proof
AC 24 V supply for field
devices (G,G0)
Output power
Max. 6 VA