Technical data

Chapter 3 Digital input modules Manual VIPA System 200V
3-14 HB97E - SM - Rev. 09/19
221-1BF40 - DI 8xDC 24V 0.2ms
DI 8xDC 24V 0.2ms VIPA 221-1BF40
The digital input module accepts the binary control signals from the
process level and provides an electrically isolated interface to the central
bus system. This module is only suited for central deployment together with
a CPU. Here the module detects and stores the rising edges of input
pulses with a duration > 0.2ms.
At the cycle control point the status information of the module is transferred
to the process image and then reset in the module again by the CPU.
Since the status information exist over one cycle, a cyclically processing is
necessary. Here the module must always be mapped to an address within
the process image.
The module has 8 input channels. The status of the input signals is
indicated by light emitting diodes.
• 8 inputs, isolated from the backplane bus
• nominal input voltage DC 24V
• Suitable for fast, short signals (pulse)
• Status indicator for each channel by means of an LED
1
2
3
4
[1]
[2]
[3]
[4]
Label for module description
Label for the bit address with
description
LED status indicator
Edge connector
LED
.0... .7
Description
LEDs (green)
I+0.0 to I+0.7
A "1" signal level is
recognized as of app.
15V and the respective
LED is turned on
DI 8xDC24V 0.2ms
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF40
X2
34
1
2
3
4
5
6
7
8
9
I0
Pin
1
2
3
4
5
6
7
8
9
10
Assignment
not connected
Input I+0.0
Input I+0.1
Input I+0.2
Input I+0.3
Input I+0.4
Input I+0.5
Input I+0.6
Input I+0.7
Ground
Order data
Description
Properties
Construction
Status indicator
pin assignment