Em 277 Profibus-Dp Module Compatibility With S7-200 Plcs; Address Switches And Leds; Front View Of The Em 277 Profibus-Dp Module - Siemens SIMATIC S7-200 System Manual

Compatibility
The EM 277 PROFIBUS-DP slave module is an intelligent expansion module
designed to work with the S7-200 PLCs shown in Table A-17.
Table A-17
CPU 222 Rel. 1.10 or greater CPU 222 Rel 1 10 or greater
CPU 224 Rel 1 10 or greater CPU 224 Rel. 1.10 or greater
CPU 226 Rel 1 00 or greater CPU 226 Rel. 1.00 or greater

Address Switches and LEDs

The address switches and status LEDs are located on the front of the module as
shown in Figure A-26. The EM 277 status LEDs are shown in Table A-20.
DP Slave Port Connector
Figure A-26
S7-200 Programmable Controller System Manual
A5E00066097-02

EM 277 PROFIBUS-DP Module Compatibility with S7-200 PLCs

CPU Description
CPU 222 DC/DC/DC
CPU 222 AC/DC/Relay
CPU 224 DC/DC/DC
CPU 224 AC/DC/Relay
CPU 226 DC/DC/DC
CPU 226 AC/DC/Relay
Address Switches:
x10=sets the most significant digit of the address
x1= sets the least significant digit of the address
x10
CPU FAULT
x1
POWER
DP ERROR
DX MODE

Front View of the EM 277 PROFIBUS-DP Module

S7-200 Specifications
Order Number
6ES7 212-1AB21-0XB0
6ES7 212-1BB21-0XB0
6ES7 214-1AD21-0XB0
6ES7 214-1BD21-0XB0
6ES7 216-2AD21-0XB0
6ES7 216-2BD21-0XB0
M L+
Input Power:
=Earth ground
=24 VDC return
M
=24 VDC
L+
A-51