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Datasheet generated 2026-10-07
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Serial interface module (178773)

Eaton · Control & Automation · Fieldbus I/O · Ireland · eaton.com
Part Number
178773  ·  HS 8538.90
Serial interface module (178773)

Eaton 178773 Serial interface module, data from to SSI enkoder via RS422, 32 bits/125 kHz, 250kHz, 500kHz, 1MHz.

Technical Specifications

Manufacturer part number (MPN)178773
EAN / GTIN7640130098374
Sales unitpcs
Eaton catalogue number178773
Depth104.2 mm
Height16.8 mm
Width80.3 mm
Weight0.046 kg
CertificationsUL File No.: E135462; cULus; CE; EN 61131-2; EN 61000-6-2; EN 61000-6-4; UL508; CSA-C22.2 No. 142-M
Height of fall (IEC/EN 60068-2-32) - max1 m
Mounting positionHorizontal
Shock resistance15 g, Mechanical, Half-sinusoidal shock 11 ms, 18 Impacts
Vibration resistance5 - 8.4 / 8.4 -150 Hz, 3,5 mm / 1 g
Air pressure795 - 1080 hPa (operation)
Ambient operating temperature - max60 °C
Ambient storage temperature - max85 °C
Ambient operating temperature - min0 °C
Ambient storage temperature - min-20 °C
Climatic proofingDamp heat, constant, to IEC 60068-2-3; Dry heat to IEC 60068-2-2
Environmental conditionsCondensation: prevent with appropriate measures
Relative humidity0 - 95 % (non-condensing)
Bus terminationInternal, Digital inputs, Absolute encoder
Connection typeRS422, Digital inputs, Absolute encoder; Push-in spring-cage terminal (plug-in connection), Connection design in TOP direction
Data transfer rateParameterizable, Digital inputs
ProtocolOther bus systems
Equipment heat dissipation, current-dependent Pvid1 W
Static heat dissipation, non-current-dependent Pvs1.06 W
Rated operational voltage160 V (terminations)
Supply voltage at DC - max30 V
Supply voltage at DC - min18 V
Air discharge8 kV
Burst impulse2 kV, Supply cable; 1 kV, Signal cable
Contact discharge4 kV
Electromagnetic fields1 V/m at 2 - 2.7 GHz (according to IEC EN 61000-4-3); 10 V/m at 0.08 - 1.0 GHz (according to IEC EN 61000-4-3); 3 V/m at 1.4 - 2 GHz (according to IEC EN 61000-4-3)
Emitted interference47 dB (at 230 - 1000 MHz, Class A, radiated, high frequency); 40 dB (at 30 - 230 MHz, Class A, radiated, high frequency)
Radiated RFI10 V
Surge rating1 kV, Signal cable, unbalanced, EMC; 0.5/0.5 kV, Supply cable, balanced/unbalanced), EMC
Voltage dipsVoltage dips: 10 ms/Voltage fluctuations: Yes
FeaturesFieldbus connection over separate bus coupler possible; Fieldbus connection over separate bus coupler possible
FunctionsBinary/gray coding (Absolute encoder)
Channels2, Transmission channel CL, D, Digital inputs, Absolute encoder
Current consumption27 mA (typ.), for +24 V, Power supply - Input
Degree of protectionIP20
Mounting methodRail mounting possible
Overvoltage categoryIII
Pollution degree3
Resolution32 Bit
TypeXN-322 serial interface module for XN300 XN300 technology module
Used withXN-312-…; XN300
Voltage typeDC
Load currentNot specified by plug manufacturer
Explosion safety category for dustNone
Explosion safety category for gasNone
Potential isolationDigital inputs
Absolute encoderno
Gauge pinA1 (according to IEC/EN 60947-1)
Insulating material groupI
Stripping length (main cable)10 mm
Number of HW-interfaces other1
Number of HW-interfaces RS-4222
Certified for UL hazardous location division 1No
Certified for UL hazardous location division 2No
Certified for UL hazardous location group A (acetylene)No
Certified for UL hazardous location group B (hydrogen)No
Certified for UL hazardous location group C (ethylene)No
Certified for UL hazardous location group D (propane)No
Certified for UL hazardous location group E (metal dusts)No
Certified for UL hazardous location class INo
Certified for UL hazardous location class IINo
Certified for UL hazardous location class IIINo
Supporting protocol for EtherCATNo
Supply voltage DC18–30 V
Supporting protocol for TCP/IPNo
Supporting protocol for PROFIBUSNo
Supporting protocol for CANNo
Supporting protocol for INTERBUSNo
Supporting protocol for ASINo
Supporting protocol for KNXNo
Supporting protocol for ModbusNo
Supporting protocol for Data-HighwayNo
Supporting protocol for DeviceNetNo
Supporting protocol for SUCONETNo
Supporting protocol for LONNo
Supporting protocol for SERCOSNo
Supporting protocol for PROFINET IONo
Supporting protocol for PROFINET CBANo
Supporting protocol for Foundation FieldbusNo
Supporting protocol for EtherNet/IPNo
Supporting protocol for AS-Interface Safety at WorkNo
Supporting protocol for DeviceNet SafetyNo
Supporting protocol for INTERBUS-SafetyNo
Supporting protocol for PROFIsafeNo
Supporting protocol for SafetyBUS pNo
Supporting protocol for other bus systemsYes
Radio standard BluetoothNo
Radio standard WLAN 802.11No
Radio standard GPRSNo
Radio standard eGPRSNo
Radio standard GSMNo
Radio standard LTENo
Mobile communications standard 3G (UMTS)No
IO link masterNo
System accessoryYes
With potential separationNo
Fieldbus connection over separate bus coupler possibleYes
Suitable for rail mountingYes
Wall mounting/direct mountingNo
Front built-in possibleNo
Rack-assembly possibleNo
Suitable for safety functionsNo
SIL according to IEC 61508None
Performance level according to EN ISO 13849-1None
Appendant operation agent (Ex ia)No
Country of originAustria

Properties

MOQ1

Cross-References

Attached Documents