Siemens Metro 21 M216KASPC  Operator's Manual page 8

Properties
1.1 Power module PM-E DC24..48V/AC24..230V (6ES7138-4CB11-0AB0)
Maximum configuration per voltage group
The number of modules that can be connected depends on the total current of all modules in
a voltage group. This total must not exceed the maximum current carrying capacity.
Address space of inputs/outputs
Address space of inputs/outputs by selecting the following as an option:
Options
Status byte (S)
Option handling (O)
Status byte and option handling (SO) 9-byte inputs
General terminal assignment
Note
Terminals A4 and A8 are only available at specified terminal modules.
Terminal assignment PM-E DC24..48V/AC24..230V (6ES7138-4CB11-0AB0)
Terminal Assignment Terminal
2 L+/L1
3 M/ N
A4 AUX1
8
Assignment
6 L+/L1
7 M/ N
A8 AUX1
Address space of the inputs Address space of the outputs
1 byte
8 bytes
L+/L1: Rated load voltage 24 VDC to 48 VDC
•
M: Chassis ground
•
N: Neutral conductor
•
AUX1: Protective-conductor terminal or potential bus (freely usable
•
up to 230 VAC)
Power module PM-E DC24..48V/AC24..230V (6ES7138-4CB11-0AB0)
--
8 bytes
9 bytes (9th byte not relevant)
Notes
Manual, 04/2007, A5E01120024-01