Kantech KT-400 User Manual
Page 29
DN1726-0811
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KT-400 Ethernet Four-Door Controller Installation Manual
Important Installation Rules about Expansion Modules
Note 1: The maximum current draw must be calculate each time there is a new module added to the SPI chain.
Rule 2: The SPI cable, between the KT-400 and the 1st module or between each modules, cannot exceed 1 m (3 ft). Shielded
wire should only be used in areas with excessive RF noise of electromagnetic interference. Keep in mind that the
expansion modules must be defined in the EntraPass system when they are installed.
Rule 3: There is already 4 relays available on the KT-400 Ethernet Four-Door Controller. Don't forget to check the relays
number assignments to prevent redundancy unless it has been planned on purpose.
For more details concerning the expansion modules, refer to the following documents:
Part number
Description
DN1775
KT-MOD-INP16 Install Sheet - French version
DN1776
KT-MOD-INP16 Install Sheet - English version
DN1780
KT-MOD-OUT16 Install Sheet - French version
DN1781
KT-MOD-OUT16 Install Sheet - English version
DN1785
KT-MOD-REL8 Install Sheet - French version
DN1786
KT-MOD-REL8 Install Sheet - English version
DN1805
KT-MOD-CAB Install Sheet - French version
DN1806
KT-MOD-CAB Install Sheet - English version
DN1790
Expansion Modules Dimensions Drawing in DWG format
DN1791
Expansion Modules Dimensions Drawing in PDF format
DN1792
KT-MOD-CAB Dimensions Drawing in DWG Format
DN1793
KT-MOD-CAB Dimensions Drawing in PDF Format