Wiring the Inputs and Outputs
7-14
Operating Manual: PSS 3075-3 Series
Alarm inputs (DIF)
Features:
• Alarm inputs for max. 6 process interrupts
• Alarm processing is triggered by a pulse edge change at an input.
• The inputs that trigger an alarm and the pulse edge that causes the
alarm to be triggered are defined via the configurator in the programming
device (see Programming Manual).
• Only those alarms triggered by a signal change from “1” to “0” are safety-
related.
• The input signals may require screened cables, depending on the signal
frequency and the ambient conditions.
• Alarms which are safety-related must undergo a functionality test. The
inputs may be tested using test pulses or via the feasibility check (see
example, “Alarm test”).
• If cable runs exceed 50 m, a resistance of 1 kOhm must be connected in
parallel with the input. Maximum cable runs will then be 400 m.
Содержание PSS 3075-3 Series
Страница 1: ...Programmable control systems PSS PSS 3075 3 Series Operating Manual Item No 21 071 10 ...
Страница 13: ...2 3 Operating Manual PSS 3075 3 Series Notes ...
Страница 28: ...Overview 2 18 Operating Manual PSS 3075 3 Series Notes ...
Страница 46: ...Installation 5 6 Operating Manual PSS 3075 3 Series Notes ...
Страница 72: ...Wiring the Inputs and Outputs 7 22 Operating Manual PSS 3075 3 Series Notes ...
Страница 86: ...Operation and Maintenance 9 6 Operating Manual PSS 3075 3 Series Notes ...
Страница 94: ...Technical Details 10 8 Operating Manual PSS 3075 3 Series Notes ...
Страница 98: ...Appendix 11 4 Operating Manual PSS 3075 3 Series Notes ...