Canon CXDI-80C, Service Manual

Page: 73 / 164

2. Installation procedures
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40
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7.3.3 Ratings and performance of relay and photocoupler (mounted on PCA-XIF
board)
1) RL1 (power relay/plug-in connector)
(1) Ratings (operation coil)
Rated
voltage
(V)
Rated
excitation
current
Coil
resistance
Coil conductance
(mH)
Operating
voltage
Reset
voltage
Maximum
continuously
applied
voltage
Rated power
consumption
(mA) ( Ω )
Armature
closed
Armature
open
(V) (V) (V) (mW)
DC5 72 69.4 69.5 86.0 Less
than 80%
More
than
10%
135% of
rated voltage
(at 50ºC)
Approx. 360
(2) Ratings (open-close/contact part)
Category Single stable contact type
Contact configuration 2c
Contact materials Au clad added to AgNi
Rated control capacity (resistive load) AC 250 5A, DC 30V 5A
Maximum allowable rated contact power
(resistive load)
1,250 VA, 150W
Maximum allowable rated contact voltage 250 V AC
Maximum allowable rated contact current 5A
Minimum rated applicable load 100µA, 1V DC
(3) Performance
Item Description
Operation time Max. 20ms
Reset time Max. 10ms
Maximum
opening/closing
frequency
Mechanical 18,000 times/hour
Rated load 1,800 times/hour
Withstand voltage
Between coil contacts: AC 2,000V for 1 minute
Between same pole contacts: AC 1,000V for 1 minute
Service life
Mechanical life More than 50 million times
Electrical life
(resistive load)
More than 100,000 times (5A, 250V, AC)
More than 500,000 times (5A, 30V, DC)
Operating ambient temperature
–40 to +70ºC
(However, there must be no formation of ice or
condensation.)
Maximum operation frequency 50 times/second