Connection method
Bus base module
Spring-cage connection
Connection to I/O modules
max. 16 (safe digital I/O modules)
Required configuration data
Number of outputs
4 (for 2-channel assignment)
8
8 (for 1-channel assignment)
Protective circuit
Overload protection, freewheeling circuit for inductive loads,Discharge circuit for accelerated discharge of capacitive loads
Protection against polarity reversal, EMC protective circuit, undervoltage detection
Output current
max. 1.5 A (per channel according to CUL<sub>US</sub>)
max. 2 A (per channel)
max. 3 A (per group according to CUL<sub>US</sub>)
max. 4 A (per group)
max. 6 A (Total current of all outputs according to CUL<sub>US</sub>)
max. 8 A (Total current of all outputs; Please observe the notes in the user manual.)
Maximum output current per channel
Maximum output current per module / terminal block
Permissible cable length
max. 1000 m (Forward and return line in total)
Behavior with overload
Affected output is disabled and a diagnostic message is generated.
Application
Functional safety
SafetyBridge
Supply voltage
24 V DC
5 V DC (via bus base module)
Current draw
max. 280 mA
typ. 25 mA (all outputs set; supply from U<sub>O</sub> with 30 V DC; without supply to the actuators)
typ. 260 mA (all outputs set; supply by U<sub>O</sub> of 19.2 V DC ... 30 V DC)
Supply voltage range
19.2 V DC ... 30 V DC (including all tolerances, including ripple)
Conductor cross-section, rigid
Conductor cross-section, flexible
Conductor cross-section AWG
Ambient temperature (operation)
-35 °C ... 60 °C (Mounting position: any)
Air pressure (operation)
70 kPa ... 108 kPa (up to 3000 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 % ... 75 % (on average, 85% infrequently, non-condensing)
Permissible humidity (storage/transport)
10 % ... 75 % (non-condensing)
Protection class
III (IEC 61140, EN 61140, VDE 0140-1)