Mitsubishi Electric MELFA CR800 Series Instruction Manual page 59

(c) DSI filter configuration
The DSI signal filtering can prevent wrong detection caused by chattering in the DSInA or DSInB signals or by
test pulses from input devices.
Enter a filter time in [DSI Filter Time] in the Safety Input screen.
Parameter
DSI Filter Time
The DSI filter time and DSI1 input (enabled/disabled) are shown in the following diagram:
ON
DSInA
OFF
ON
DSInB
OFF
Enabled
有効
DSIn input
DSIn入力
Disabled
無効
Description
A filter time for the DSI signals are
entered.
The larger the setting is, the stronger
the noise resistance becomes but the
more the signal input detection is
delayed.
[Unit]: ms
[Setting range]: 0 to 100
Fig. 4-21: DSI filter configuration
Filter time
フィルタ時間
Fig. 4-22: Timing diagram of the DSI filter time and DSI1 input
4 SAFETY MONITORING FUNCTIONS
Default
10ms
Filter time
フィルタ時間
Safety Logic Edit 4-49