2 Specifications and Application Procedures
2 - 2
NX-series Communications Interface Units User’s Manual (W540)
2-1 Specifications
This section gives the general specifications and individual Unit specifications of the CIF Units.
The following table gives the general sp
ecifications of the CIF Units.
2-1-1 General Specifications
Item Specification
Enclosure Mounted in a panel.
Grounding method Ground of 100 Ω or less.
If a conductive DIN Track is used, a CIF Unit is grounded through the
DIN Track from the System Power Supply Unit. If a non-conductive
DIN Track is used, a CIF Unit is grounded from the FG terminal.
Operat-
ing envi-
ronment
Ambient operating tempera-
ture
0 to 55C
Ambient operating humidity 10% to 95% (with no condensation or icing)
Atmosphere Must be free from corrosive gases.
Ambient storage temperature -25 to 70°C (with no condensation or icing)
Altitude 2,000 m max.
Pollution degree 2 or less: Conforms to JIS B 3502 and IEC 61131-2.
Noise immunity 2 kV on power supply line (Conforms to IEC 61000-4-4.)
Overvoltage category Category II: Conforms to JIS B 3502 and IEC 61131-2.
EMC immunity level Zone B
Vibration resistance Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz,
Acceleration of 9.8 m/s
2
, 100 min in X, Y, and Z directions (10 sweeps
of 10 min each = 100 min total)
Shock resistance
*1
Conforms to IEC 60068-2-27. 147 m/s
2
, 3 times each in X, Y, and Z
directions
Insulation resistance 20 M min. between isolated circuits (at 100 VDC)
Dielectric strength 510 VAC between isolated circuits for 1 minute with leakage current
of 5 mA max.
Applicable standards
*1
*1. Refer to the OMRON website (http://www.ia.omron.com/) or consult your OMRON representative for the most
recent applicable standards for each model.
cULus: Listed (UL508), ANSI/ISA 12.12.01, EU: EN 61131-2, RCM,
and KC: KC Registration
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