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LRR 1-52, LRR 1-53, URB 55 - Installation & Operating Manual -
850645-01
A
C
D
B
Connecting the URB 55
Ports and sockets on the back of the unit
Fig. 13
A
1 x 3-pole connector for 24 V DC supply voltage
B
2 x Ethernet ports 10/100 Mbit switched (Modbus TCP/IP)
C
1 x USB host port (versions 2.0 and 1.1) for USB sticks with FAT32/FAT or exFAT file format
D
1 x slot for SD card with FAT32 file format (for service purposes) *
* SDHC memory cards are not supported.
(L-)
(L-)
Connection for 24 V DC supply voltage - pin assignment
Connector
Socket
Fig. 14
Use a SELV (Safety Extra Low Voltage) power supply unit for connecting the supply voltage.
To connect the supply voltage to the supplied 3-pole connector, use a cable with a max. con-
ductor size of 2.5 mm
2
.
Pin assignment of the data line between the URB 55 and the LRR 1-52, LRR 1-53
9
9
1
1
Pin 2 = Data_L >> LRR 1-52, LRR 1-53 = terminal 12
Pin 7 = Data_H >> LRR 1-52, LRR 1-53 = terminal 11
Fig. 15
