Description - Siemens SIMATIC 505 PPX:505–6108A User Manual

1.1

Description

1-2 Product Overview
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The Series 505 Analog Input (PPX:505–6108A and PPX:505–6108B), and
Output (PPX:505–6208A and PPX:505–6208B) Modules are single-wide
versions of the Analog I/O Modules (PPX:505–6108 and PPX:505–6208), and
can replace the double-wide models without any wiring changes. The Input
Modules (PPX:505–6108A and PPX:505–6108B) offer the additional benefit
of an optional 10 V input range, and they do not require external
user-supplied power. The Output Modules (PPX:505–6208A, and
PPX:505–6208B), like the double-wide PPX:505–6208, require user-supplied
24 VDC power to maintain low power consumption from the base.
The Series 505 Analog I/O Modules (Figure 1-1) connect the controller with
devices which monitor or control pressure, position, flow, temperature, or
speed using voltage or current signals. The input module translates an
analog input signal from a monitoring device into an equivalent digital word
and transmits that data to the controller for processing. The output module
translates a digital word from the controller into an equivalent analog
signal and transmits that data to an output device that controls pressure,
position, flow, temperature, or speed.
A Module Good LED on the front of each module indicates the status of the
power, self-diagnostics, and the fuse (for the output module). Figure 1-1
shows the location of the Module Good LED indicator of the PPX:505–6108B
and PPX:505–6208B.
If the LED is on:
System and user power are good
Fuse is good
Module has passed self-diagnostics
If the LED is off, one of the above has failed. See Chapter 3 for instructions
on using the LED to troubleshoot.
Series 505 Analog I/O Modules User Manual