JUMO 705001 mTRON T - Central Processing Unit Operating Manual - Manual (Page 36)

5 Operation
36
"Warm" reset:
The "warm" reset is initialized by holding the switch in the "Reset" position between 2 s and
10 s.
The PLC performs a warm start, which means that the retain area is retained (see CoDeSys
documentation on warm start of PLC).
The retain variables of external inputs (interfaces) are also retained.
An event message is issued (warm start reset).
"Cold" reset:
The "cold" reset is initialized by holding the switch in the "Reset" position for at least 10 s.
A "cold" reset resets the system bus (master restarts, data of the modules on the bus is read
in again).
The PLC performs a cold start, which means that the retain area is deleted (see CoDeSys doc-
umentation on cold start of PLC).
The retain variables of external inputs (interfaces) are reset.
An event message is issued (cold start reset).
2 s < t < 10 s
t > 3 s
Reset
Stop
S
BE
t > 2 s t > 3 s
S
BE
t > 3 s
t > 2 s
t > 10 s
10 s < t < 15 s
Reset