Siemens CP 243-2 Operations Instructions download pdf (Page 39)

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PRODUCT OVERVIEW

AS-Interface slaves

(I/O modules) for

use in the field

Compact modules

The AS-Interface compact modules are

part of a new generation of AS-Interface

modules available with a high degree of

protection. They combine digital, ana-

logue, pneumatic, and 24 V DC motor

starter modules in a single family. Two

module sizes, the K45 (45 mm wide)

and the K60 (60 mm wide) together

meet all installation requirements.

An installed module can be addressed

via an integrated addressing socket. De-

gree of protection IP67 is met by lock-

ing the socket with an optional blanking

cap. Instant diagnosis is made possible

by comprehensive LED displays.

The new A/B slaves according to Spec-

ification 2.1 permit still more precise er-

ror diagnostics. I/O errors are displayed

on the module by different colored

LED’s. The same diagnostic information

is also available on the master.

Analog modules

At Siemens, analog modules can also

be obtained as AS-Interface slaves. All

modules are pre-parameterized for com-

munication with programmable con-

trollers of the SIMATIC S7 family. The

analog modules each have two chan-

nels and are subdivided into five groups:

Input module for sensors with current

signals, input module for sensors with

voltage signals, input module for resis-

tance-type transmitters, output module

for actuators with current signals, and

output module for actuators with volt-

age signals.

In the modules of Version 2.1, the ana-

log value transmission is completely in-

tegrated into the master. In this way, it

is now possible to forward a complete

analog value digitized in 16-bit (15 bits

data plus one sign bit) resolution with-

out additional application programming

on the PLC.

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