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Operating notes
Technical data
Power
Protection
Inputs
Status inputs (D1, D2)
(for potential-free contacts) Contact voltage.
Measured value input B1
Outputs
Triac outputs AC 24 V
Siemens
Building Technologies
• When power is off, all outputs are inactive
• When PL-Link communications fails, all outputs go to the configured backup
values (after 2 x Heartbeat time).
Rated voltage
Frequency
Power consumption incl. connected field
devices
Internal fuse
Protection against faulty wiring on AC 230 V No protection for On / outputs
Quantity
Contact current
Contact transfer resistance
Contact insulation resistance
Switching time:
Heartbeat
Protection against faulty wiring on AC 24 V Protected
Connectable temperature sensor
Quantity
Measuring range
Sensor current
Resolution
Measuring error at 25 °C sensor temp.
(without line resistance)
Heartbeat
Protection against faulty wiring on AC 24 V Protected
Quantity
Output voltage
Outputs Y1...Y4 are on AC 24 V, the triac closes against contact to G
Output current
Total rated load
(at simultaneous load on 2 outputs)
Protection against overload
RXM21.1 - PL-Link IO Block
AC 230 V
50 / 60 Hz
Max. 12 VA
Thermal, irreversible
2
DC 16 V
DC 5 mA
Max. 100 Ohm
Min. 50 kOhm
Min. 20 ms "ON", min. 20 ms "OFF"
1 s
LG-Ni 1000
1
0...50 °C
0.5 mA
0. 1 K
Max. 0.5 K
10 s
4 (Y1 ... Y4)
AC 24 V +/- 20%
(at <2 VA load: possibly >+20%!)
Max. 0.5 A
Max. 9 VA
No protection
7 / 14
CM2N3835en_01
07 Mar 2012
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