verified connector library

GE Multilin 469 motor management relay

Register map(s) for this device, each at the trust rung it earned. Addresses are 0-based as on the wire; word order and scaling are only confirmed at the hardware-verified rung.

interop-verified

Read + decoded cleanly over a real network vs an independent third-party Modbus test server (transport and framing; reads are remapped into the server's register window, so the map's own addresses are NOT exercised). Does NOT prove word order/scaling against the actual device.

pointaddress (0-based)typescaleunit
motor_status512U161
motor_thermal_capacity_used513U161
estimated_time_to_trip_on_overload514U32BE1
motor_speed516U161
general_status528U161
output_relay_status529U161
cause_of_last_trip544U161
motor_speed_during_trip549U161
pre_trip_tachometer_rpm550U161
pre_trip_phase_a_current551U32BE1
pre_trip_phase_b_current553U32BE1
pre_trip_phase_c_current555U32BE1
pre_trip_motor_load557U160.01
pre_trip_current_unbalance558U161
pre_trip_ground_current559U32BE0.01
pre_trip_phase_a_differential_current561U161
pre_trip_phase_b_differential_current562U161
pre_trip_phase_c_differential_current563U161
hottest_stator_rtd_during_trip564U161
pre_trip_temperature_of_hottest_stator_rtd565I161
hottest_bearing_rtd_during_trip566U161
pre_trip_temperature_of_hottest_bearing_rtd567I161
hottest_other_rtd_during_trip568U161
pre_trip_temperature_of_hottest_other_rtd569I161
hottest_ambient_rtd_during_trip570U161
pre_trip_ambient_rtd_temperature571I161
pre_trip_voltage_vab572U161
pre_trip_voltage_vbc573U161
pre_trip_voltage_vca574U161
pre_trip_voltage_van575U161
pre_trip_voltage_vbn576U161
pre_trip_voltage_vcn577U161
pre_trip_system_frequency578U160.01
pre_trip_real_power579U32BE1
pre_trip_reactive_power581U32BE1
pre_trip_apparent_power583U161
pre_trip_power_factor584I160.01
phase_a_current768U32BE1
phase_b_current770U32BE1
phase_c_current772U32BE1
average_phase_current774U32BE1
motor_load776U160.01
current_unbalance777U161
equivalent_motor_load778U160.01
ground_current779U32BE0.01
phase_a_differential_current781U161
phase_b_differential_current782U161
phase_c_differential_current783U161
hottest_stator_rtd800I161
rtd_1_temperature801I161
rtd_2_temperature802I161
rtd_3_temperature803I161
rtd_4_temperature804I161
rtd_5_temperature805I161
rtd_6_temperature806I161
rtd_7_temperature807I161
rtd_8_temperature808I161
rtd_9_temperature809I161
rtd_10_temperature810I161
rtd_11_temperature811I161
rtd_12_temperature812I161
vab832U161
vbc833U161
vca834U161
average_line_voltage835U161
van836U161
vbn837U161
vcn838U161
average_phase_voltage839U161
system_frequency840U160.01
tachometer_rpm864U161
power_factor880I160.01
real_power881U32BE1
real_power_hp883U161
reactive_power884U32BE1
apparent_power886U161
mwh_consumption887U32BE0.001
mvarh_consumption889U32BE0.001
mvarh_generation891U32BE0.001
torque893U32BE0.1
current_demand912U32BE1
real_power_demand914U32BE1
reactive_power_demand916U32BE1
apparent_power_demand918U161
analog_input_1944U32BE1
analog_input_2946U32BE1
analog_input_3948U32BE1
analog_input_4950U32BE1

link settings as documented (unverified): RTU; baud 1200/2400/4800/9600/19200; unit ID 254; FC 01,02,03,04,05,06,07,08,16; Supports up to 32 slaves on a single RS485 channel.

bench facts as documented (unverified)
terminalsone of two 2-wire RS485 ports from the rear terminal connector or the RS232 from the front panel connector
A/B polarityEach '+' terminal of every 469 must be connected together for the system to operate
termination120 ohm resistor in series with a 1 nF ceramic capacitor when used with Belden 9841 RS485 wire
connectorrear terminal connector or front panel connector
shield/groundShielded wire should always be used to minimize noise
max registers/read125
broadcastsupported
protocol notesMaximum of 60 holding registers can be stored in one transmission using function code 16.
model register04C0
serial register04C1
certificationsISO9001:2000
doc revisionGEK-106491H
firmware applicability5.1x

generated by gemini:gemini-3.5-flash · harvested from http://www.gegridsolutions.com/products/support/469/gek-106491h.pdf (GE Grid Solutions); manual-faithful — the document's claims, panel risk: ELEVATED — panel is not confident; proved interop-verified on 2026-06-11 · recorded 2026-06-11

The trust ladder

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