IWAKI IX-C060 S6 FA-RF, Инструкция по эксплуатации

Страница: 29 / 84

29
Ins
tal
lation
Wiring
Precautions for ON-OFF control by a mechanical relay
The control unit is equipped with CPU. Always start/stop the pump by the STOP signal for
ON-OFF control. Try not to turn on and off the main power. Otherwise, observe the fol-
lowing points.
• Do not turn ON/OFF power voltage more than six times per hour.
• When using a mechanical relay for ON-OFF operation, its contact capacity should be
5A or more. Contact point may fail if it is less than 5A.
• If a mechanical relay with the contact capacity of 5A is used, the maximum allowable
ON/OFF operation is about 150,000 times. The contact capacity should be 10A or more
when making ON-OFF operation over 150,000 times or sharing a power source with a
large capacity equipment. Otherwise a contact point may fail by surge voltage.
• Use a solid state relay (SSR) as necessary (such as the OMRON G3F). See manufac-
turer's catalogues for detail.
• Turning off power voltage, operation stops with an extended pump shaft after the com-
pletion of the last discharge process.
Signal wire connection
Points to be checked
• Check that power voltage is turned off.
Use our optional connector cables below or purchase DIN 4- and 5-pin female connector cables when using
signal input and output.
Optional 5m DIN connector cables
EXT terminal is for Input signal
STOP terminal is for STOP and AUX signals
OUT terminal is for Output signal
NOTE
• Do not lay on these signal cables in parallel with a power cable. Otherwise noise is generated through the
cables due to induction effect and it results in malfunction or failure.
• The following products are the recommended SSRs (Solid State Relays) for signal input. Any other SSRs
may cause malfunction. See manufacturer's information for details on these SSRs.
–OMRON G3FD-102S or G3FD-102SN
–OMRON G3TA-IDZR02S or G3TA-IDZR02SM
• When using a mechanical relay for signal input, its minimum application load should be 5mA or below.
• Insert the DIN 4- or 5-pin female connector as far as it will go and then tighten the skirt to make a secure con-
nection.
*Use either a no-voltage contact or an open collector for the input, STOP and AUX signals.