Siemens SIMATIC ET 200M Operating Instructions Manual page 64

Installation
4.2 Installation
Sequence for Installation
Proceed as follows to install the modules:
Table 4- 3 Installing modules on mounting rails
Step Activity
1. Hook the power supply unit PS 307 onto the rail
and screw it tight.
2. Clip on the bus connector.
A bus connector is included with each signal mod-
ule, but not however with the IM 153-x. When
installing the bus connector always start with the
IM 153-x:
• Take the bus connector from the "last" module
and insert it in the IM 153-x.
• Do not plug a bus connector into the "last"
module.
Do not insert any bus connectors between the PS
307 and IM 153-x!
3. Hook the modules onto the rail (1),
slide them along as far as the module on the left
(2), and swing them down into place (3).
4. Bolt the modules tight, applying a torque of be-
tween 0.8 and 1.1 Nm.
64
Figure
Operating Instructions, 04/2022, EWA-4NEB7806006-09
ET 200M