- General Electric Computer Accessories User Manual

GEH-6385 Reference and Troubleshooting, 2300 V Drives Chapter 5 Signal Mapping •
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• 5-7
Real Variable Map
Reference Feedback
Byte
Variable Functionality Variable Functionality
1-4 Request bits 1, lan
(Lan_Req1_Wrd)
multiple bits,
see table below
Feedback bits 1, lan
(Lan_Fbk1_Wrd)
multiple bits,
see table below
5-8 Auto speed ref, lan
(Lan_Spd_Ref)
SpeedRpm_Scl
Auto analog ref sel
(Auto_Ref_Adr)
Behavior 2
Fault number
(Lan_Flt_Code)
<integer>
number of the active fault with
(1) highest severity (trip/alarm) (2)
earliest time-stamp
9-12 Spd ref offset, lan
(Lan_Spd_Offs)
SpeedRpm_Scl
Speed loop sum sel
(Spd_Outr_Adr)
Behavior 2
Speed feedback, lan
(Lan_Spd_Fbk)
SpeedRpm_Scl
=Avg[Spd_Fbk]
sequential averages
13-16 Torque ref, lan
(Lan_Trq_Ref)
Torque_Scl
Torque ref select
(Trq_Ref_Adr)
Behavior 2
Motor torque, lan
(Lan_Trq_Fbk)
Torque_Scl
=Avg[Trq_Cal_T2]
sequential averages
17-20 Not Used Motor current, lan
(Lan_I_Mag)
“A rms”
=Avg[I_Mag_T2 x Sqrt(1/2)]
sequential averages
21-24 Not Used Not Used
25-28 GP lan ref 1
(Lan_R01_Ref)
general purpose real var GP lan fbk reg 1
(Lan_R01_Fbk)
GP lan fb reg 1 sel
(Lan_R01_Adr)
29-32 GP lan ref 2
(Lan_R02_Ref)
general purpose real var GP lan fbk reg 2
(Lan_R02_Fbk)
GP lan fb reg 2 sel
(Lan_R02_Adr)
33-36 Torque fdfwd, lan
(Lan_Trq_Ffd)
Torque_Scl
Torque feed fwd sel
(Trq_Ffd_Adr)
Behavior 2
Motor power, lan
(Lan_Mtr_Pwr)
Power_Scl
=Avg[Mtr_Pwr_T2]
sequential averages
37-40 Flux reference, lan
(Lan_Flx_Adj)
<no units>
Flux adjust select
(Flx_Adj_Adr)
Behavior 2
Motor voltage, lan
(Lan_V_Mag)
“V rms”
=Avg[V_Mag_T2 x Sqrt(3/2)]
sequential averages
41-44 Droop comp ref, lan
(Lan_Drp_Comp)
<no units>
Droop comp ref sel
(Drp_Comp_Adr)
Behavior 2
Not Used
45-56 Not Used Not Used
57-60 GP lan ref 3
(Lan_R03_Ref)
general purpose real var GP lan fbk reg 3
(Lan_R03_Fbk)
GP lan fb reg 3 sel
(Lan_R03_Adr)
61-64 GP lan ref 4
(Lan_R04_Ref)
general purpose real var GP lan fbk reg 4
(Lan_R04_Fbk)
GP lan fb reg 4 sel
(Lan_R04_Adr)