Siemens S5-135U/155U appendix You must match the IM 304 to the cable length with jumper

Interface Modules

7.3.2Modes/Jumper Assignments of the IM 304

You must match the IM 304 to the cable length with jumper X11.

		Jumper Plug X11
	9 7 5 3 1	9 7 5 3 1	9 7 5 3 1	9 7 5 3 1	9 7 5 3 1
Jumper	*)
Location
	10 8 6 4 2	10 8 6 4 2	10 8 6 4 2	10 8 6 4 2	10 8 6 4 2
Cable Length	10m max.	100m max.	100 to 250m	250 to 450m	450 to 600m

*) This setting is only permissible for IM 304 - IM 324R communication in the S5-155H PLC.

Jumper Assignments

The longest communication path, i.e. the sum of cable lengths at interface of X3 or X4, is governed by the location of jumper X11.

LED2

Jumper X21/X22 set to OFF if no expansion unit is connected.

LED1

X3

X4

X22

OFF ON

ON

OFF

ON

OFF

S3

1

X21 2

3

X14	9 7 5 3 1
	10 8 6 4 2

X11

X13

X12 3 2 1

X15

X1

1

2

3

X2

Figure 7-12 Location of Jumpers on the IM 304 (when Delivered)

System Manual	7-15
C79000-G8576-C199-06