Innovations in Machine Safety

RT9 Safety Relay

Technical Data

Manufacturer.................................. JOKAB SAFETY

Ordering Data...................................................... RT9

Color................................................. black and beige

Weight................................................................ 210 g

Supply Voltage (A1-A2)................ 24 VDC +/- 20%

Power Consumption
DC supply, nominal voltage........................... 2.5 W

Connections S13............... short-circuit protected
                                                              voltage output
                            70 mA +/- 10% current limitation.
                      Is used for the inputs S14, S34, S44

Input currents (at nominal supply voltage)
S14 (+) input................................................... 30 mA
S24 (0V) input................................................. 20 mA
S34 (+) input................................................... 20 mA
S44 (+) input................................................... 25 mA

Reset input X1
Supply for reset input................................ +24 VDC
Reset current................... 300 mA current pulse at
                                                    closure, then 30mA
Minimum contact
closure time for reset.................................. <80 ms
Minimum contact closure time
(at low limit voltage -20%)......................... 100 ms

Maximum external connection cable
resistance at nominal voltage for
S14, S24, S34............................................. 300 Ohm
S44, X1......................................................... 150 Ohm

Response Time
At Power on................................................. <100 ms
When activating (input-output)................... <20 ms
When deactivating (input-output).............. <20 ms
At Power Loss.............................................. <80 ms

Relay Outputs
NO................................................................................ 2
Maximum switching
capacity res. load....... 6A/250 VAC/1500 VA/150W
Maximun switching
capacity res. load DC................ 6A/24 VDC/150 W
Minimum load.......................................... 10mA/10 V
       (if load on contact has not exceeded 100 mA)
Contact material............................................. AgCdO
Mechanical life................................ >107 operations

Relay Information Output
(Changeover contacts)
Y14 - (0V)................ Indicates that RT9 is not reset
     + (24V)....................... Indicates that RT9 is reset
Maximum load of Y14................................... 250 mA
Short-circuit protection
for information output..... Internal automatic fuse

LED Indication
On
..................Supply voltage OK , the LED is on
                                              Flashing light in case of
                                           under-voltage or overload
In 1  In 2  .......................Indicates that the input
                                                 conditions are fulfilled
     1     2 ..............Indicates that the output
                                                      relays are activated

Mounting Rail................................... 35 mm DIN rail

Operating Temperature
Range
.............................................  -10° C to + 55° C

Connection Blocks (detachable)
Maximum screw torque.................................... 1 Nm
Maximum connection area
   Solid
   conductors............... 1x4mm2/2x1.5mm2/12AWG
   Conductor with
   socket contact........................ 1x2.5mm2/2x1mm2
Air and creep distance.............. 4kV/2 IEC 60664-1

Protection Class
Enclosure........................................ IP 40 IEC 60529
Connection blocks......................... IP 20 IEC 60529