Power Sources; Analog Input Module Power Cycling; Analog Output Module Power Cycling - Siemens SIMATIC 505 PPX:505–6108A User Manual

1.4

Power Sources

1-10 Product Overview
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
The output module requires both user-supplied and base-supplied power.
Table 1-1 shows the input module response at power-up and power-down.
Table 1-1 Analog Input Module Power Cycling
Base Power User Power
Transition on Not applicable
Transition off Not applicable
Table 1-2 shows the output module response at power up and power down.
Table 1-2 Analog Output Module Power Cycling
Base Power User Power
On Transition off
On Transition on
Transition off On
Transition on On
Off Transition on
Module
Module resumes converting and controller
resumes reading from module
Module and controller power down. All input
data cleared
Module
Off—module sets fail bit
Resumes prior state until next update
Freezes last value
Holds last value until next update
Off
Series 505 Analog I/O Modules User Manual