Emerson Unidrive M400 User manual

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The keypad and display gives information about the
operating status of the drive and trip codes. It provides
the ability to change parameters, stopping and starting
the drive, and the ability to perform a drive reset.
Keypad Number Keypad Description
1 (Enter)
The Enter button is used to enter
parameter view or edit mode, or to
accept a parameter edit.
2 (Navigation)
The Navigation keys can be used to
select individual parameters or to edit
parameter values. In keypad mode, the
“Up” and “Down” keys are alsoused to
increase or decrease the motor speed.
3 (Start) The Start key is used to start the drive in
keypad mode.
4 (Stop/Reset)
The Stop / Reset key is used to stop and
reset the drive in keypad mode. It can
also be used to reset the drive in
terminal mode.
5 (Escape)
The Escape key is used to exit from the
parameter edit / view mode or
disregard a parameter edit.
Figure 1 - Unidrive M400
Figure 2 - Unidrive M400 Keypad Details
Supervisory Controller Setup with
M400 VFD Drive
Quick Start Guide
This document will guide you through setting up and
commissioning the M400 VFD Drive in Supervisory
Controllers (E3 and Site Supervisor).
Complete All Programming Before you set up the M400
Drive.
Note that the M400 Drive requires Supervisory Controller
firmware version 2.14F01 and above.

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STEP 1: Configuring M400 VFD Drive
Note: Do not connect the device communications to E2 controller.
1. Press right/ left arrow key and go to Pr MM.000 then press . Select Reset 60Hz defs then press
.
Note: Pressing allows you to enter and exit parameter edit mode.
2. Press to return the drive into the No Action display.
3. Go to Pr 00.005 (Drive Config), then press . Select Preset, then press .
4. Set Pr 00.010 (User Security Status), then press . Select All Menus, then press .
5. Set Pr 06.004 (Start/Stop Logic), then press . Select 6, then press .
6. Set Pr 11.023 (Serial Address), then press . Select 2, then press .
7. Set Pr 11.024 (Serial Mode), then press . Select 8 1 NP, then press .
8. Set Pr 11.020 (Serial Reset), then press . Select On to reset communications.
Note: The device will flash to On and returns to Off, press .
9. Set Pr 12.000 (Parameter mm.000), then press . Select Save Parameters, then press .
10.Press to return the drive into the No Action display.
Note: The drive is now ready to communicate with the Supervisory controller and is ready for a test/run.
Model Max # of Instances
1 SR 20
2CXe 16
3CX 16
4BXe 16
5BX 16
6RXe 16
7RX 16
8SMF No

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STEP 2: Setting the Baud Rate in the Supervisory Controller
Gear icon > Configure System Properties > General System Properties
• Set the Com Port baud to 19.2
Figure 3 - General System Properties Tree Hierarchy
Figure 4 - Set the Baud Rate, Data Size, Parity, and Stop Bits

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STEP 3: Wiring the M400 VFD Device to Emerson Controllers
Wire the device as shown below:
COM wiring is the REVERSE polarity of Site Supervisor.
•+ On the Com port goes to - on the VFD.
•- On the Com port goes to the + on the VFD.
• Do NOT connect shield to any terminal on the controller or VFD. Connect shield directly to Earth Chassis at the
controller; clip and insulate shield at VFD end of cable.
• If VFD is the last device at the end of Com segment, terminate with 150 ohms between terminals 2 and 3.
Figure 5 - Wire the M400 VFD Device to Site Supervisor

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COM wiring is the same polarity as E2 and E3.
•+ On the Com port goes to + on the VFD.
•- On the Com port goes to - on the VFD.
• Do NOT connect shield to any terminal on the controller or VFD. Connect shield directly to Earth Chassis at the
controller; clip and insulate shield at VFD end of cable.
• If VFD is the last device at end of Com segment, terminate with 150 ohms between terminals 2 and 3.
Figure 6 - Wire the M400 VFD Device to E2/E3

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Figure 7 - Site Supervisor to M400 (MODBUS)

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Figure 8 - Site Supervisor to M400 (ANALOG 0-10V)

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Figure 9 - Lumity E3 to M400 (MODBUS)

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Figure 10 - Lumity E3 to M400 (ANALOG 0-10V)

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STEP 4: Adding the Device to the Supervisory Controller
1. From the home page click the control inventory icon to go to the Control Inventory page.
2. From the HVAC drop-down list, select M400 from the list.
STEP 5: Commissioning the Device to the Supervisory Controller
From the Control Inventory screen select the Modbus address for the M400 and click the checkmark
to save and start commissioning. (Best practices tip: set the Modbus number to match the connected
Com Port and the Address to match the M400 addressing in STEP 1).
Drive Setup:
1. Click the M400 to go to the M400 setup page.
2. Go to the General tab.
3. Set CfgSyncAction on the to Write to Device.
4. On the Inputs tab, set DIRECTION to Forward or Reverse. This verifies that the drive should run
correctly.
5. Set RUN to OFF. This verifies that the drive should inhibit.
Figure 11 - Adding M400 and Addressing