Technical data
75
10.3 Power supply/terminal diagram
10.3.1 Electrical connection (wiring diagram)
(Wiring diagram, see Section 4 "Wiring")
10.3.2 Supply voltage
Low voltage power supply: 100...230 V
AC
(±10%)
Extra-low voltage power supply: 24 V
AC/DC
(-10%, +15%)
10.3.3 Frequency
Nominal frequency: 50 / 60 Hz
10.3.4 Cable specification
Screw or spring terminal blocks with reverse polarity protection:
Digital I/O wire cross-section, RS485 and analog inputs: max. 1.5 mm
(14 AWG) (spring
terminals)
Power wire cross-section: max. 2.5 mm
(13 AWG) (screw terminals)
Relay wire cross-section: max. 2.5 mm
(13 AWG) (spring terminals)
10.3.5 Power consumption
100...230 V: max. 30 VA
24 V: max. 24 VA
10.3.6 Connection data interface, communication
USB port (standard):
Front-mounted USB-B socket (V1.1) for connecting a laptop or computer using a shielded USB
cable. The USB port can be used for program transmission and unit configuration (printers or
modems cannot be connected here).
Ethernet interface (option):
Rear-mounted Ethernet interface 10BaseT, plug type RJ45, connection via shielded cable, allocation
of IP address via setup menu in unit. The unit can be connected to units in an office environment
with this interface. For safe spacing distances, observe the office equipment standard IEC 60950-1.
Direct connection to a PC is possible with a "crossover" cable. The unit can be used in the network
as a "Web server". Two Ethernet function LEDs on the rear of the unit.
Serial RS232/RS485 interface (option):
Rear-mounted RS232 SUB-D9 socket or RS485 interface (terminal connection) for data/program
transmission or as modem connection.
The following baudrates are supported: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Max. line length with shielded cable: 2 m (6.6 ft) (RS232), or 1000 m (3281 ft) (RS485)
Both interfaces are galvanically isolated from the system.
The RS232/RS485 interfaces cannot be used simultaneously.
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