VTS LS G100 Control and Modbus Communication User Manual

June 9, 2024
VTS

VTS LS G100 Control and Modbus Communication logo

VTS LS G100 Control and Modbus Communication

VTS LS G100 Control and Modbus Communication product

THE FOLLOWING MANUAL ASSUMES GOOD KNOWLEDGE OF TECHNICAL DOCUMENTATION INCLUDED WITH THE AIR HANDLING UNIT (AHU). THIS MANUAL CONSIDERS ONLY THE CONTROL AND COMMUNICATION CIRCUITS. THE INSTALLATION OF THE FREQUENCY CONVERTER AND INSTALLATION OF MAINS AND MOTOR CABLES SHOULD BE DONE ACCORDING TO THE LS G100 MANUAL.

FOR ALL CONFIGURATIONS SET THE COMMON PARAMETER LIST

Parameter Code Value Comments
Ramp up time ACC 45 Recommended 45 s.
Ramp down time dEC 45 Recommended 45 s.
Maximum frequency dr-20 100
Rated frequency dr-18 *
U/f ratio Ad-01 1 Square characteristic
Overload protection Pr-40 2 Active
Number of motor poles bA-11 * 2-12
Rated slip bA-12 **
Rated current bA-13 *
Idle run current bA-14 **
P5 input function IN-69 4 Limit switch
  •  as per motor data
  •  parameters to be calculated:

rated slip = (1 – number of motor poles rated speed / 6000) 50 Hz idle run current = 0,3 * rated current

CONFIGURATIONS WITHOUT VTS CONTROLS

 Local control using integrated control panel

Set additional parameters:

Parameter Code Value Comments
Start / stop source drv 0 Keypad
Frequency source Frq 0 Potentiometer

Use the RUN and STOP/RST buttons to control the drive Use buttons / potentiometer to set frequency

Remote control with three speeds

Set additional parameters:

Parameter Code Value Comments
Start / stop source drv 1 Programmable inputs
Frequency source Frq 4 Constant speeds
Constant speed 1 St1 * 0-100 Hz
Constant speed 1 St2 * 0-100 Hz
Constant speed 1 St3 * 0-100 Hz
  •  as per user preferences

Use P1/P3/P4/P5 inputs to set desired drive function (1=on,0=off)

0000 = STOP

1100 = START, 1ST SPEED
1110 = START, 2ND SPEED
1111 = START, 3RD SPEED

 EXHAUST UNIT WITH VTS CONTROL SYSTEM

Set additional parameters:

Parameter Code Value Comments
Start / stop source drv 1 Programmable inputs
Frequency source Frq 5 Constant speeds
Constant speed 1 St1 * 0-100 Hz
Constant speed 1 St2 * 0-100 Hz
Constant speed 1 St3 * 0-100 Hz
  •  as per user preferences

Use P1/P3/P4/P5 inputs to set desired drive function (1=on,0=off)

0000 = STOP

1100 = START, 1ST SPEED
1110 = START, 2ND SPEED
1111 = START, 3RD SPEED

 AHU WITH VTS CONTROLS TYPE uPC3

NOTE: To allow control of the G100 frequency drivers, set VFD type to G100 in uPC3 settings (HMI Advanced mask I03).
Set additional parameters:

Parameter Code Value Comments
Start / stop source drv 3 Modbus RS-485
Frequency source Frq 6 Modbus RS-485
Address CM-01 2 Supply 1
3 Exhaust 1
5 Supply 2/ redundant
7 Supply 3
9 Supply 4
6 Exhaust 2 / redundant
8 Exhaust 3
10 Exhaust 4
Comm. protocol CM-02 0 Modbus RS-485
Comm. speed CM-03 3 9600 bps
Comm. parameters CM-04 0 8N1

NOTE: To restore G100 to default settings set dr-93 = 1 and switch off the power supply.

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