Honeywell SYA14 Series Manual page 586

TIMING CONDITIONS
•
The switching of both ESPE contacts must occur within a 30 ms window time, which is
controlled through the two OSSD1 & OSSD2 inputs at power up and after each protective
beam interruption beyond muting sequences.
•
If this condition is not satisfied, the outputs OSD1, OSD2 and SSD switch off and remain
permanently open (see chapter 4.7.3). As a result, the muting is not allowed.
FUSES PROTECTION
The OSSD1 & OSSD2 inputs must be protected by an external 0.5A fuse connected
on terminal 1 (+24 V POWER).
PROTECTIVE EQUIPMENT RESTART MODE
The electrosensitive protective equipment must be set in the automatic restart mode to
operate correctly with the muting module (refer to the installation manual of the protective
equipment).
PROTECTION AGAINST SHUTDOWNS
The power supply source connected on the terminal +24 V OUTPUT must be protected
against shutdowns greater than 5 ms (the muting response time is 5 ms only).
Figure 4.5 : OSSD1 & OSSD2 inputs timing diagram
30 ms
OSSD1
OSSD2
OSDs
Muting in progess Alarm !
52
30 ms
Muting in progess Alarm !
107004-15 EN FR26 ROW 0899 Printed in France
protective
equipment
protective
equipment
muting
module