Microgate Polifemo User Manual download pdf (Page 6)

POLIFEMO-RADIO-LIGHT

User manual

Doc: POL_RL_200_006_E

Version: 2.0

Page

6 of 12

Even with very disturbed signal transmission, this system ensures maximum reliability and

precision (+/- 0.4 thousandths of a second); the complete reception of a single set of data is all that

is required to reconstruct the original time of the event

5.2. SELECTING SIGNAL TYPE

Switches 1 to 3 make it possible to set the type of impulse you wish to transmit . The following

table summarises the types of impulse available.

SWITCH 1 SWITCH 2 SWITCH 3 Signal type

ON ON ON START

OFF ON ON LAP 6

ON OFF ON LAP 5

OFF OFF ON LAP 4

ON ON OFF LAP 3

OFF ON OFF LAP 2

ON OFF OFF LAP 1

OFF OFF OFF STOP

5.3. IMPULSE TRASMISSION

By using a switch (switch n°8 next to the words TRASMISSION TIME) you can set transmission

duration (approximately 2.3 seconds for long transmission and 0.6 seconds for short). By selecting

long transmission, you will obtain greater redundancy of information as the same data will be

transmitted 16 times. If you select short transmission the set of data will only be transmitted 4 times

so you will have lower redundancy but with a substantial reduction of transmission time.

For normal use, we advise you always to use long transmission (switch n°8 ON) ) in order to

maximise the redundancy of transmitted data. However, for special applications such as the taking

of several intermediate times very close together, using short transmission is the only practical

solution if transmissions are not to overlap.

5.4. TRANSMISSION OF EXTERNAL IMPULSES

The EncRadio-Light module built into the photocell is able to send impulses taken from a source

other than the photocell itself (e.g. gates, pressure switches, buttons …).

The use of this function is controlled by switches 4 and 5 labelled EXTERNAL SIGNAL.

Switch 4 in position ON enables the possibility of sending the impulse taken by other devices and at

the same time disables the photocell itself. Consequently only the EncRadio-Light module built into

the photocell is used.

Switch 5 selects the type of contact used, whether normally open (OFF) or normally closed (ON).

The external device is connected using the black and green banana jacks usually used for acquiring

the photocell signal.

The following table summarises the function of switches 4 and 5.

1 2 3 4 5 6 7 8 9 10 11 12

No comments

Microgate Polifemo User Manual Page 6