
4.INSTALLATION B-63494EN/02
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4.3.3 FSSB I/O Specification List
Installation conditions
Ambient temperature
of the unit
Operating 0°C to 55°C
Storage, transportation -20
°C to 60°C
Temperature variation
1.1°C /minute maximum
Humidity
Normally
Relative humidity 75% or less
Short term (no more than one month)
Relative humidity 95% or less
Vibration
Operating 0.5G or less
Atmosphere
Normal machining plant environment (Check is
required if the unit is to be used in an environment
exposed to relatively high levels of dust or coolant,
or a relatively high concentration of organic
solvents.)
Other conditions
(1) Use the unit in a completely sealed cabinet.
(2) Install the unit on a vertical surface, and provide
a space of 100 mm or more above and below the
unit. Do not install equipment that dissipates
much heat under this unit.
Power supply capacity
Supply voltage
Power supply
capacity
Remarks
24V±10% is fed from the CP11A
connector of the basic module.
±10% includes momentary
variations and ripples.
0.3A+7.3mAxDI
Number of DI points in
DI = ON state
Input signal specifications
Contact capacity
30 VDC, 16 mA or more
Leakage current between
open contacts
1.0 mA or less (when the voltage is 26.4 V)
oltage drop across closed
contacts
2 V or less (including a cable voltage
decrease)
Delay time
Receiver delay time: 2 ms (MAX)
In addition, the FSSB transfer period and
ladder scan period need to be considered.
Output signal specifications
Maximum load current at
ON time
200 mA or less including momentary variations
Saturation voltage at ON
time
1.0 V (MAX) when the load current is 200 mA
Dielectric voltage
24 V +20% or less including momentary
variations
Output leakage current at
OFF time
100 µA or less
Delay time
Driver delay time: 50 µs(MAX)
In addition, the FSSB transfer period and
ladder scan period must be considered.