Siemens SIMATIC NET PS598-1 Compact Operating Instructions page 15

Pin assignment of the X3 plug on the rear
Connector X3 is located on the back of the PS598-1. Connector X3 is intended only
to connect the PS598-1 directly to an XR500.
Contact
L
L
L
M
M
M
Power supply unit PS598-1 for SCALANCE XR500
A5E03275848-04, 05/2013
Assignment
+24 VDC
Ground
Connection
13