Appendix F
1.6v-05.2019
12 | Page
1.5 ‘Volt-free’ Signals
The following signals do not require the application of any voltage. Pins 1 and 2 need to be linked together to switch the correspond-
ing functionality. This could be done either through a mechanical switch, a relay or some other volt-free device.
Function
Connector
Number
Description
Graphic
Bund Detect P4
- when pins 1 and 2 are
shorted together on P4,
the pump will respond to a
bund detection event and
stop the pump.
- when the signal is
switched ON, the LED D4
will light up.
Product
Destination
Full
P5
- when pins 1 and 2 are
shorted together on P5,
the pump will respond to
a product destination full
detection event and stop
the pump.
- when the signal is
switched ON, the LED D5
will light up.
Product
Source
Empty
P6
- when pins 1 and 2 are
shorted together on P6,
the pump will respond to
a product source empty
detection event and stop
the pump.
- when the signal is
switched ON, the LED D6
will light up.
Table 6 ‘Volt-free’ Signals
