Siemens SIWAREX WT241 - Assignment Digital Input DI 0, 1, 2, 3; Input Filtering (Hardware Setting); Assignment Digital Output DQ 0, 1, 2, 3

Communication
11.10 DR 7 Process interfaces
SIWAREX WT241
128 Manual, 05/2015, A5E36046748A
Variable
Note
Type
L
Rw
Default
Min.
Max.
Register
Load per
pulse
(Page 132)
External totalizer - amount per pulse:
output of pulses for external totalizer
REAL
4
rw
0
0
1335
Pulse duration in ms (output of pulses
for external totalizers)
LONG
4
rw
0
0
1337
Reserve
LONG
4
rw
0
0
1339
11.10.1 Assignment digital input DI 0, 1, 2, 3
A command trigger can be assigned to a digital input. This is done on the basis of the
command number: → Command lists (Page 87).
Assignment input DI.0, 1, 2, 3:
Code
Assignment
0
Not assigned
n
Command code is triggered at a rising edge (1->0 transition)
1304 (only DI .0)
The speed sensor is connected (up to approx. 5 kHz)
1303 (only DI .0)
Message to SIWAREX "Belt switched on"
75 (only DI .1)
Belt revolution sensor for calculation of belt for exact triggering of revolution
time
11.10.2 Input filtering (hardware setting)
To ensure that the inputs do not respond too quickly to the signal change, a minimum signal
pending time can be specified. The pending signal is not processed further until this time has
elapsed.
The following values can be set:
Value
Signal pending period
Value
Signal pending period
0
0.2 ms
4
1.6 ms
1
0.2 ms
5
3.2 ms
2
0.4 ms
6
6.4 ms
3
0.8 ms
7
12.8 ms
11.10.3 Assignment digital output DQ 0, 1, 2, 3
A status display can be assigned to a digital input. This is done on the basis of the bit
number.
Assignment output DQ.0, 1, 2, 3: