Test voltage: 7.5 V supply (bus logic)/24 V supply (UM, US), GND, clock outputs, relay outputs, FE
Test voltage: 24 V supply (UM, US), GND, clock outputs/7.5 V supply (bus logic), relay outputs
Test voltage: COMBICON X3 relay outputs/COMBICON X4 relay outputs, Inline connector relay outputs,7.
Test voltage: COMBICON X4 relay outputs/COMBICON X3 relay outputs, Inline connector relay outputs,7.
Connection method
Inline data jumper
Spring-cage connection
Transmission speed
500 kbps / 2 Mbps (can be switched)
Number of outputs
4 (Safety relays with 2 floating contacts each)
Application
Functional safety
PROFIsafe
Maximum power dissipation for nominal condition
Supply voltage
24 V
24 V DC
24 V DC (via voltage jumper)
7.5 V DC (see safety data)
Supply voltage range
19.2 V DC ... 30 V DC
19.2 V DC ... 30 V DC (including ripple)
Test voltage: 5 V supply, incoming remote bus/7.5 V supply (bus logics)
Test voltage: 5 V supply, outgoing remote bus/7.5 V supply (bus logics)
Test voltage: 7.5 V supply (bus logic)/24 V supply (U<sub>M</sub>, U<sub>S</sub>), GND, clock output
Test voltage: 24 V supply (U<sub>M</sub>, U<sub>S</sub>), GND, clock outputs/7.5 V supply (bus logic
Test voltage: COMBICON X3 relay outputs/COMBICON X4 relay outputs, Inline connector relay outputs,7.
Test voltage: COMBICON X4 relay outputs/COMBICON X3 relay outputs, Inline connector relay outputs,7.
Conductor cross-section, rigid
Conductor cross-section, flexible
Conductor cross-section AWG
Ambient temperature (operation)
Air pressure (operation)
80 kPa ... 108 kPa (up to 2000 m above sea level)
Air pressure (storage/transport)
66 kPa ... 108 kPa (up to 3500 m above sea level)
Ambient temperature (storage/transport)
Permissible humidity (operation)
10 % ... 85 % (Take suitable measures against increased air humidity within the permitted temperature range.)
Permissible humidity (storage/transport)
10 % ... 85 % (Take suitable measures against increased air humidity within the permitted temperature range.)
Protection class
I (IEC 61140, EN 61140, VDE 0140-1)