Specifications

Installing an S7-200 PLC
2-6
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
2.2 Installing and Removing an S7-200 Micro PLC or Expansion
Module
Mounting an S7-200 Micro PLC or Expansion Module onto a Panel
!
Warning
Attempts to install or remove S7-200 CPUs or related equipment with power
applied could cause electric shock or faulty operation of equipment.
Failure to disable all power to the S7-200 and related equipment during installation
or removal procedures may result in death or serious personal injury, and/or
damage to equipment.
Always follow appropriate safety precautions and ensure that power to the S7-200
is disabled before attempting to install or remove S7-200 CPUs or related
equipment.
Use the following procedure for installing an S7-200 CPU onto a panel:
1. Locate, drill, and tap the mounting holes for DIN M4 or American
Standard number 8 screws. Refer to Section 2.1 for mounting dimensions and
other considerations.
2. Secure the S7-200 CPUs onto the panel, using DIN M4 or American
Standard number 8 screws.
To install the expansion module onto a panel, follow these steps:
1. Locate, drill, and tap the mounting holes for DIN M4 or American
Standard number 8 screws. Refer to Section 2.1 for mounting dimensions and
other considerations.
2. Place the I/O module next to the PLC or expansion module and secure it.
3. Plug the expansion module ribbon cable into the CPU connector under the front
access door. The cable is keyed for correct orientation.
4. Installation is complete.