Question about Inverter TB Woods Etrac AC Inverter

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Control terminal strip descrption for tb woods e-trac ue-1

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Manual for the X2C product line is here. Per Gary at Vacon (who acquired the TB Woods line of inverters) the terminal strips for all the X2C model inverters is the same.

Page 17 & 18 are the terminal strip diagrams for 0.5-5 HP inverters and 7.5-20 HP inverters respectively.

Control Terminal descriptions (from pages 19& 20) follow:

CM
Circuit common, isolated from ground.

MET1
Analog meter output 1. Provides a 0 to 10 VDC (1 mA maximum) signal proportional to output frequency, load, or current through setting of 71-METER (see page 64). May be calibrated while inverter is running by programming 70-MCAL (see page 63). Output impedance is 475ω.

MET2
Analog meter output 2. Provides a 0 to 20 mA or 4-20 mA signal proportional to output frequency, load, or current through setting of 79-MET2 (see page 67). May be calibrated while inverter is running by programming 78-MCAL2 (see page 66). Output impedance is 10ω.

VIN1
Analog speed input 1. Selectable through jumper J20 for 0-5 VDC, 0-10 VDC, or 0/4-20 mA DC. A 4 mA offset is programmed by 24-FSEL (see page 53). Speed Reference can be defined through 24-FSEL as VIN1, VIN1 + VIN2, or VIN1 - VIN2. Also, switching between VIN1 and
VIN2 is achieved with Auto/Manual function.

VIN2
Analog speed input 2. Selectable through jumper J20 for 0-5 VDC or 0-10 VDC. Speed Reference can be defined through 24-FSEL as VIN1, VIN1 + VIN2, or VIN1 - VIN2. Also, switching between VIN1 and VIN2 is achieved with Auto/Manual function.

REF 5.0 VDC reference voltage, 3 mA maximum load. Use only for a frequency control potentiometer (5 kω recommended). FWD Digital input for Forward operation. May be programmed for maintained (standard) or momentary contacts by 21-MODE (see page 52).
REV Digital input for Reverse operation. May be programmed for maintained (standard) or momentary contacts by 21-MODE (see page 52).

V+ Positive nominal 12 VDC voltage. Only for use with digital inputs and ST1 Digital Output (75ma max.) See connection diagrams on pages 28 through 32. NO other use is allowed. MOL Motor Overload relay input. May be configured to generate a fault on opening or closing. May also be configured to command a Coast-to-Stop on opening or closing. See page 66.
PS1, PS2, & PS3 Digital inputs normally used for preset speed selection. Jumper J20 selects pull-up or pulldown logic (see page 21). PS3 can be defined as a Run/Jog selector or Auto/Manual Switch
by 21-MODE (see page 52), or as the ART selector by 41-RSEL (see page 55), unless the PI Regulator is enabled and PS3 is used as an ON/OFF switch.

Eight preset speeds are available if all three inputs are used, while only four are available if PS3 is redefined via parameters 21-MODE or 41-RSEL, or when the PI Regulator is enabled and PS3 is used as an ON/OFF switch. See the following page for the speed references that
result from the input states of PS1, PS2, and PS3.

PS1 PS2 PS3 Effective Speed Reference
-------------------------------------------------------------------------
0 0 0 Basic speed setpoint (keypad or terminal)
1 0 0 33-F2
0 1 0 34-F3
1 1 0 35-F4
0 0 1 36-F5
1 0 1 37-F6
0 1 1 38-F7
1 1 1 32-FMAX
-----------------------------------------------
PS1, PS2 [1 - see note at bottom]
------------------------------------------------
0 0 N/A Basic speed setpoint (keypad or terminals)
1 0 N/A 33-F2
0 1 N/A 34-F3
1 1 N/A 35-F4

ST1 Digital output (open transistor collector). May be set to activate under one of ten conditions. See 72-ST1 (page 65).

NO Normally open contact for the auxiliary relay. Will close when the relay is activated. Rating is 115 VAC at 1 A.

RCM
Auxiliary relay common terminal. Factory programmed as a Fault relay but may be set to activate under one of ten conditions. See 75-STR (page 65).

NC Normally closed contact for the auxiliary relay. Will open when the relay is activated. Rating is 115 VAC at 1 A.

Notes:
1. These settings will be utilized when PS3 is redefined via parameter 21-MODE or 41-RSEL, or when the PI Regulator is enabled and PS3 is used as an ON/OFF switch.

If you need more info, please reply back.

Posted on Jul 06, 2010

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