Siemens SIMATIC ET 200M

Technical Specifications
10.6 Using the ET 200M in the potentially explosive area zone 2
ET 200M
240 Operating Instructions, 12/2008, EWA-4NEB780600602-08
Switchover Time in the Case of Redundancy
The switchover times, dependent on the mode and configuration amounts to:
DP master system ET 200M
with
IM 153…
Switchover time Configuration
-2AA02 70 ms any configuration
-2AB01 30 ms … without F-, FM- or HART modules.
30 ms any configuration
S7-400H
-2Bx00
-2Bxx1
30 ms … without F-, FM- or HART modules.
-2AA02 70 ms +
2 DP-cycles
any configuration
-2AB01 30 ms +
2 DP-cycles
… without F-, FM- or HART modules.
30 ms any configuration
S7-software
redundancy;
S5-115H / 155H
-2Bx00
-2Bxx1
30 ms … without F-, FM- or HART modules.
If the response monitoring time is set greater than 30 ms or 70 ms, the switchover time
corresponds to the set monitoring time.
Delay time of the input / output modules
The delay time of the input / output modules can be derived from the technical specifications
of the modules (refer to the "S7-300 automation system, module specifications
(http://support.automation.siemens.com/WW/view/en/8859629
)" reference manual).
10.6 Using the ET 200M in the potentially explosive area zone 2
See product information "Use of subassemblies/modules in a zone 2 hazardous area
(https://portal.automation.siemens.com/apps/meta-
search_p/index.ad.nwa.EN.html?q=19692172)".
See also
Use of subassemblies / modules in a zone 2 hazardous area
(https://portal.automation.siemens.com/apps/meta-
search_p/index.ad.nwa.EN.html?q=19692172)