Tecfluid MX4 For FLOMAT Series - Manual (Page 38)

38
Example
If the activation point is programmed to 100 m
3
/h and the deactivation point is
programmed to 90 m
3
/h, when the flow rate is zero the output will be deactivated. When
the flow rate reaches a value of 100 m
3
/h the output will be activated until the level falls
below 90 m
3
/h.
If we program an activation point of 90 m
3
/h and a deactivation point of 100 m
3
/h, when
the level is zero the output will be activated. When the flow rate reaches a value of 100
m
3
/h the output will be deactivated until the flow rate falls below 90 m
3
/h.
7.5.1.2 Empty pipe
In this case, the relay will change its status when the flowmeter detects empty pipe.
7.5.1.3 Negative flow
The relay will change its status when the flow rate changes its sign.
7.5.2 Pulse output
This output allows to connect the converter to a PLC or remote totalizer. The number of
pulses per unit of volume can be programmed. The following parameters can be selected.
7.5.1.1 Alarm
If Alarm is selected, we have access to program the flow rate at which the relays will
change its status and to the level of hysteresis. By level of hysteresis we understand the
difference between activation and deactivation of the output. To avoid that an alarm
output is continuously moving from activate to deactivate status, we must program the
points of connection and disconnection.
By selecting one of the two relay outputs, next screen appears with the options which
allow to assign the relay to a function.
7
CONVERTER PROGRAMMING