Nominal input voltage UIN
Nominal input current at UIN
Test voltage: Modbus interface 1 / communications power (UBK, UL, UANA)
Note on dimensions
Specfications with connectors
Test voltage: Modbus interface 1 / I/O (UM, US)
Test voltage: Modbus interface 2 / communications power (UBK, UL, UANA)
CCCex note
Use in potentially explosive areas is not permitted in China.
Test voltage: Modbus interface 2 / I/O (UM, US)
Test voltage: Communications power (UBK, UL, UANA) / I/O (UM, US)
Test voltage: Communications power (UBK, UL, UANA) / functional ground
Connection method
D-SUB-9 female connector
Inline connector
Inline data jumper
Spring-cage connection
Test voltage: I/O (UM, US) / functional ground
Note on the connection method
Electrically isolated supply, shielding directly connected to functional ground
Transmission speed
1.2 kBit/s ... 115.2 kBit/s (can be parameterized)
500 kbps / 2 Mbps (automatic detection, no combined system)
Number of supported devices
Number of local bus devices that can be connected
max. 61 (The on-board I/Os are two devices)
Number of devices with parameter channel
Input voltage range "0" signal
Input voltage range "1" signal
Nominal input voltage U<sub>IN</sub>
Nominal input current at U<sub>IN</sub>
Typical input current per channel
Delay at signal change from 0 to 1
Delay at signal change from 1 to 0
Protective circuit
Short-circuit and overload protection; Freewheeling circuit in the output driver
Output voltage
24 V DC -1 V (At nominal current)
Max. current carrying capacity per output
Maximum output current per module
Output current when switched off
max. 10 µA (When not loaded, a voltage can be measured even at an output that is not set.)