User Manual
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Building Technologies Switching and Monitoring Device RMS705 CE1N3123en
HVAC Products 30 May 2008
Switch-on current max. 10 A (1 s)
Contact life at AC 250 V
At 0.1 A res.
At 0.5 A res.
At 4 A res.
Red. factor with ind. loads (cos φ = 0.6)
guide values:
2 x 10
7
switching cycles
4 x 10
6
switching cycles (NO)
2 x 10
6
switching cycles (changeover)
3 x 10
5
switching cycles (NO)
1 x 10
5
switching cycles (changeover)
0.85
Insulating strength
Between relay contacts and system electronics
(reinforced insulation)
Between neighboring relay contacts (operational insulation)
Q1⇔Q2; Q3⇔Q4; Q6⇔Q7
Between relay groups (reinforced insulation)
(Q1, Q2) ⇔ (Q3, Q4) ⇔ (Q6, Q7)
AC 3750 V to EN 60 730-1
AC 1250 V to EN 60 730-1
AC 3750 V to EN 60 730-1
Voltage AC 24 V
Current max. 4 A
Konnex bus
Type of interface
Bus loading number
Decentral bus power supply (can be switched off)
Short-time power failure
to EN 50 090-2-2
Konnex-TP1
2.5
25 mA
100 ms (with extension module)
Extension bus
Connector specification
Number of plug-in cycles
4 contacts SELV / PELV
max. 10
Service tool connection facility RJ45 connector
For passive measuring and positioning signals
Type of signal
LG-Ni 1000, T1
Pt 1000
0...1000 Ω
Contact sensing (status and impulse contacts)
(Measuring errors can be corrected
on "Settings / Inputs" menu)
max. 300 m
max. 300 m
max. 300 m
max. 300 m
For DC 0...10 V measuring and control signals
refer to the Data Sheet of the device
delivering the signal
For Konnex bus
Type of cable
max. 700 m
2-core unshielded, twisted pairs
For switching outputs (Q1x…Q7x) max. 300 m
Connection terminals
For solid wires
For stranded wires without ferrules
For stranded wires with ferrules
spring cage terminals
dia. 0.6 mm ... 2.5 mm
2
0.25...2.5 mm
2
0.25...1.5 mm
2
Konnex bus connection facility not interchangeable
Degree of protection of housing to IEC 60 529 IP 20 (when mounted)
Safety class to EN 60 730
suited for use in equipment of safety
class II
Operation to
Climatic conditions
Temperature (housing and electronics)
Humidity
Mechanical conditions
IEC 60 721-3-3
class 3K5
0 ...50 °C
5...95 % r.h. (non-condensing)
class 3M2
Transport to
Climatic conditions
Temperature
Humidity
Mechanical conditions
IEC 60 721-3-2
class 2K3
− 25...+ 70 °C
< 95 % r.h.
class 2M2
Mode of operation, automatic controls type 1B
Degree of contamination, controls’ environment 2
Software class A
Rated surge voltage 4000 V
Temperature for ball-pressure test of housing 125 °C
Power supply external
devices (G1)
Interfaces
Perm. cable lengths
Electrical connections
Protective data
Environmental conditions
Classification to EN 60 730