YOKOGAWA UP55A User Manual

17-10
IM 05P02C41-01EN
17.4.4 ControlOutput(Relay,Triac,Current,andVoltagePulse)Wiring
 CAUTION
1) The use of inductance (L) loads such as auxiliary relays, motors and solenoid
valves causes malfunction or relay failure; always insert a CR filter for use with
alternating current or a diode for use with direct current, as a spark-removal
surge suppression circuit, into the line in parallel with the load.
2) If there is a risk of external lightning surges, use a lightning arrester etc.
3) The control output should always be used with a load of 10 mA or more.
4) Since the insulation provided to each relay output terminal is Functional
insulation, provide Reinforced insulation to the external of the device as
necessary. (Refer to the drawing below.)
This product
Functional
insulation
A safety
voltage circuit
A safety
voltage circuit
This product
Reinforced insulation
Reinforced insulation
Functional
insulation
A hazardous
voltage circuit
A hazardous
voltage circuit
A safety
voltage circuit
A safety
voltage circuit
This product
Reinforced insulation
Reinforced insulation
Functional
insulation
A hazardous
voltage circuit
A hazardous
voltage circuit
A hazardous
voltage circuit
A hazardous
voltage circuit
DCRelayWiring
R
External DC power supply
Relay
UP55A
UP’s contact
Diode
(Mount it directly
to the relay coil
terminal (socket).)
Relay
(Use one with a relay coil rating
less than the UP’s contact rating.)
ACRelayWiring
UP55A
R
CR filter
(Mount it directly
to the relay coil
terminal (socket).)
Relay
(Use one with a relay coil
rating less than the UP’s
contact rating.)
UP’s contact
External AC power supply
17.4Wiring

YOKOGAWA UP55A Specifications

General

Brand	YOKOGAWA
Model	UP55A
Category	Controller
Language	English