Yaskawa E7 Apogee FLN - Manual (Page 51)

Troubleshooting A-7
Wiring And Cabling
! The network cable is the correct type
Table A.4 - APOGEE FLN Cable Specifications
Specification Description
Cable Configuration Twisted Shielded Pair
Gauge 18-20 AWG (Solid or Stranded)
Wire Lay Minimum 6 twists per foot
Shields 100% foil with drain wire
NEC Type UL Type CMP
Temperature 60 o C or higher
Cable Lengths Are Within Specified Limits
Cable lengths cannot exceed 500 feet at 4800 baud.
The Network is Terminated Correctly
Each APOGEE FLN network segment must be terminated on both ends to eliminate signal reflections. It is recommended that the Siemens
Building Automation BLN Trunk Terminator (PN: 538-664) be used and that the network termination switch on the E7 drive, S1-1, be set
to OFF.
Shield Is Continuous And Both Ends Of The Shield Are Grounded
As each drive is daisy-chained to the next, twist together the shields of the adjoining cables. Do not connect the shield at each drive.
The continuous shield should then be single-point grounded at the field panel.
Cable Is Routed Correctly
Route the cable away from all power and high frequency lines. Routing within a separate conduit is preferred.