SEQUENTIAL COMMAND
I-55
CHARACTERISTICS
Voltage ................................................................... 12 V. D.C.
Minimum Consumption ...........................................50 mA.
Maximum Consumption ......................................... 60 mA.
External Clock - input maxi. Frequency ................. 25 Hz.
Internal Clock - Mini. Connection time by relay ..... 0,3 Sec.
Internal Clock - Maxi. Connection time by relay .... 10 Sec.
Maximum Output Load By Relay ........................... 5 A.
Protection Against Polarity Inversion ..................... Yes
Sizes ...................................................................... 155 x 102 x 30 mm.
The I-55 module is a sequential command with 8 relay outputs. With each impulse, relays will be connected one after one, and
disconnecting the previous one.
The sequence could be produce by external impulses or thanks to an internal oscillator.
The oscillator is adjusted with a potentiometer inserted in the PCB. It includes reset output, protection against polarity inversion, indicator
output led and terminals to connect it.
Do not forget to read all the information sheet in order to obtain a perfect operating of the module.
POWER SUPPLY.
The I-203 circuit had to be supplied by a 12 VDC power supply.
Then, we recommended you the FE-2 power supply which has been developed to perfectly answer to the circuit needs or a 12 V batteries
for mobile applications. Install a fuse and a switch as it is indicated in the drawing. Both are obligatory to guarantee a correct protection of
the module as well as for your own safety as it is required by the "CE" marking.
Connect the positive of the power supply to the positive terminal indicated in the wiring map, then connect also the negative of the power
supply to the negative terminal indicated in the circuit.
Verify
that the assembly has been correctly done.
OPERATING.
See the general wiring map. The module has a switch indicated as INT-1. Thanks to this switch you could select between
automatic operating (controlled by the internal oscillator) and manual operating which be externally inserted.
Regarding manual operating.
you have to place (in the switch INT-1) the contact Nº1 in ON position and the contact Nº2 in OFF
position. Do not place permanently both contact in the same position to avoid to damage the module. See the drawing.
Connect a push button to the terminal indicated as impulses input (See General wiring map). If you have to connect a clock signal from an
other apparatus, you have to respect their polarity and verify that it is a 12 VDC signal. When the push button is installed, after each
pressure relay will be activated one after one, and disconnecting the previous one.
Regarding automatic operating
. you have to place (in the switch INT-1) the contact Nº1 in OFF position and the contact Nº2 in ON
position. Do not place permanently both contact in the same position to avoid to damage the module. See the drawing.
Adjust the speed using the potentiometer inserted in the PCB to adjust the frequency. After each pressure relay will be activated one after
one, and disconnecting the previous one.
OPERATING
REST.
See the general wiring map. Connect a push button to the terminal indicated as "Reset". Each time you press this push button
and independently of the activated relay, the module will come back at the beginning of the sequence (to the first relay) until you stop to
press the "reset" push button.
