2Nd Step: Wiring The Im 151-7 Cpu (Et 200S) And S7-300 - Siemens SIMATIC ET 200S Manual

Getting Started
2.2

2nd step: Wiring the IM 151-7 CPU (ET 200S) and S7-300

Se- Description
quence
1 Wire the S7-300 as described in Installation Manual for Automation System S7-300, Setting
Up.
2 Lengthen the connections for each of the 4 buttons using a cable. Strip 6 mm of insulation
from the free cable ends and cap the ends with wire end ferrules.
3 At the DI of the S7-300, connect each of the inputs 1.1 (terminal 13) and 1.2 (terminal 14) to
L+ on the PS of the S7-300 using a button.
4 Connect the two remaining 1-pin buttons to the DI of the ET 200S as follows:
S
connect one button to terminals 1 and 3
S
connect the other button to terminals 5 and 7
Note regarding spring terminals
Releasing the spring of a connection: Insert a screwdriver with 3 mm tip as far as it will go into
the upper round hole of the terminal, pulling the screwdriver handle upwards slightly if
necessary. A free cable end can then be inserted into the square hole below. Pull the
screwdriver back out again and check that the cable is fitted securely.
5 Wire terminal 2 on the TM of the PM to L+ of the PS and terminal 3 on the TM of the PM to M
of the PS. The ends of the cables to be connected must be stripped by 11 mm and capped
with wire end ferrules.
6 Wire terminal 1L+ of the IM 151-7 CPU to L+ of the PS and terminal 1M of the IM 151-7 CPU
to M of the PS.
Note
S
The ends of the cables to be connected must be stripped by 11 mm and capped with wire
end ferrules.
S
The PS of the S7-300 can also be used to supply power to the IM 151-7 CPU and to the
PM.
7 Connect the PD and IM 151-7 CPU to the PD cable and tighten all connectors.
8 Connect the PS of the ET 200S, the PS of the S7-300 and the PD to the mains power supply
system.
2-4
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04