Replacing hardware 
  4.3 Procedure for replacing hardware 
Compendium Part D - Operation and Maintenance (V9.0) 
Operating Manual, 02/2018, A5E43228948-AA 
43 
ET 200iSP module  Manual "SIMATIC Distributed I/O ET 
200iSP"
7)
, section "Removing and in-
serting electronics modules during 
ET 200iSP tolerates a single module gap during 
ongoing operation (RUN). Never remove more 
than one electronic module during operation. 
PS and CPU of a standard AS  Manual "S7-400 Programmable Con-
trollers Hardware and Installation"
8)
, 
 
H-CPU of an H system  Manual "SIMATIC Fault-tolerant Sys-
tems S7-400H"
5)
, section "Failure and 
replacement of components during 
operation" 
To swap a CPU, the corresponding power sup-
ply must be switched off. 
CP 443-1 in H system  Swapping can be performed with the power 
CP 443-5 in H system  To swap an active DP master, the correspond-
ing power supply must be switched off. 
1) 
Manual "SIMATIC ET 200SP ET 200SP HA Distributed I/O System" 
(https://support.industry.siemens.com/cs/ww/en/view/109747237) 
2)
 Manual "SIMATIC ET 200SP HA Interface Module IM 155-6 PN HA (6DL1155-6AU00-
0PM0)" (https://support.industry.siemens.com/cs/ww/en/view/109747239)  
3) 
Manual "SIMATIC Distributed I/O Device ET 200M" 
(https://support.industry.siemens.com/cs/ww/en/view/1142798)  
4)
 Document "New PROFIBUS Interface Modules for ET 200M, DP/PA Link and Y Link" 
(https://support.industry.siemens.com/cs/ww/en/view/23372259)  
5)
 Manual "SIMATIC Fault-tolerant Systems S7-400H" 
(https://support.industry.siemens.com/cs/ww/en/view/82478488)  
6)
 Manual "SIMATIC Bus Links DP/PA Coupler, Active Field Distributors, DP/PA Link and Y 
Link" (https://support.industry.siemens.com/cs/ww/en/view/1142696)  
7)
 Manual "SIMATIC Distributed I/O ET 200iSP" 
(https://support.industry.siemens.com/cs/ww/en/view/98821323)  
8)
 Manual "S7-400 Programmable Controllers Hardware and Installation" 
(https://support.industry.siemens.com/cs/ww/en/view/1117849)  
Special considerations when switching to CP443-1 (6GK7 443-1EX20-0XE0, 6GK7 443-1EX30-
0XE0) 
●  Discontinuation of CP 443-1 (6GK7443-1EX11-0XE0) as of 1 October 2009. 
(https://support.industry.siemens.com/cs/ww/en/view/37325344) 
●  FAQ "What should you watch out for when upgrading from previous modules to the 
successor module CP443-1 or CP443-1 Advanced?" 
(https://support.industry.siemens.com/cs/ww/en/view/34894744)