Omron 3G3MX2 - Installation

MX2 Quick Start Guide 25
PROGRAMMING MX2
3.12 Digital inputs
The function codes in the following table let you assign between a wide range of functions to any of the seven logic inputs for the
MX2 inverter. The functions C001 through C007 configure the terminals [1] through [7] respectively. The "value" of these partic-
ular parameters is not a scalar value, but it is a discrete number that selects one option from many available options.
Input Function Summary Table
Option
Code
Terminal
Symbol
Function Name Description
00 FW FORWARD Run/Stop ON Inverter is in Run Mode, motor runs forward
OFF Inverter is in Stop Mode, motor stops
01 RV Reverse Run/Stop ON Inverter is in Run Mode, motor runs reverse
OFF Inverter is in Stop Mode, motor stops
02 CF1 Multi-speed Select, Bit 0 (LSB) ON Binary encoded speed selection bit 3 to bit 0
03 CF2 Multi-speed Select, Bit 1
04 CF3 Multi-speed Select, Bit 2 OFF
05 CF4 Multi-speed Select, Bit 3 (MSB)
06 JG Jogging ON Inverter is in Run Mode, output to motor runs at jog parameter frequency
07 DB External DC braking ON DC braking will be applied during deceleration
08 SET Set (select) 2nd motor Data ON The inverter uses 2nd motor parameters for generating frequency output to motor
OFF The inverter uses 1st (main) motor parameters for generating frequency output to motor
09 2CH 2-stage Acceleration and Decel-
eration
ON Frequency output uses 2nd-stage acceleration and deceleration values
OFF Frequency output uses standard acceleration and deceleration values
11 FRS Free-run Stop ON Causes output to turn OFF, allowing motor to free run (coast) to stop
12 EXT External Trip ON When assigned input transitions OFF to ON, inverter latches trip event and displays E 12
OFF No trip event for ON to OFF, any recorded trip events remain in history until reset
13 USP Unattended Start Protection ON On powerup, the inverter will not resume a Run command
OFF On powerup, the inverter will resume a Run command that was active before power loss
14 CS Commercial power source swi-
tchover
ON Motor can be driven by commercial power
OFF Motor is driven via the inverter
15 SFT Software Lock ON The keypad and remote programming devices are prevented from changing parameters
OFF The parameters may be edited and stored
16 AT Analog Input Voltage/Current
Select
ON Refer to Analog In put selection
OFF
18 RS Reset Inverter ON The trip condition is reset, the motor output is turned OFF, and powerup reset is asserted
OFF Normal power-ON operation
19 PTC PTC thermistor Thermal
Protection (C005 only)
ANLG When a thermistor is connected to terminal [5] and [L], the inverter checks for over-tem-
perature and will cause trip event and turn OFF output to motor
OPEN A disconnect of the thermistor causes a trip event, and the inverter turns OFF the motor
20 STA Start (3-wire interface) ON Starts the motor rotation
21 STP Stop (3-wire interface) ON Stops the motor rotation
22 F/R FWD, REV
(3-wire interface)
ON Selects the direction of motor rotation: ON = FWD. While the motor is rotating, a change
of F/R will start a deceleration, followed by a change in direction
OFF Selects the direction of motor rotation: OFF = REV. While the motor is rotating, a change
of F/R will start a deceleration, followed by a change in direction
23 PID PID Disable ON Temporarily disables PID loop control. Inverter output turns OFF as long as PID Enable is
active (A071=01)
OFF Has no effect on PID loop operation, operates normally if PID Enable is active (A071=01)
24 PIDC PID Reset ON Resets the PID loop controller. Main consequence is that integrator sum is forced to zero
27 UP Remote Control UP Function
(motorized speed pot.)
ON Accelerates (increases output frequency) motor from current frequency
28 DWN Remote Control Down Function
(motorized speed pot.)
ON Decelerates (decreases output frequency) motor from current frequency
29 UDC Remote Control Data Clearing ON Clears the UP/DWN frequency memory by forcing it to equal the set frequency parameter
F001. Setting C101 must be set=00 to enable this function to work
31 OPE Operator Control ON Forces the source of the output frequency setting A001 and the source of the Run com-
mand A002 to be from the digital operator
OFF Source of output frequency set by A001 and source of Run command set by A002 is used
32 SF1 Multi-speed Select, Bit 1 ON Bit encoded speed select, Bit 1 to Bit 7
33 SF2 Multi-speed Select, Bit 2
34 SF3 Multi-speed Select, Bit 3
35 SF4 Multi-speed Select, Bit 4 OFF
36 SF5 Multi-speed Select, Bit 5
37 SF6 Multi-speed Select, Bit 6
38 SF7 Multi-speed Select, Bit 7
39 OLR Overload Restriction Source
Changeover
ON Perform overload restriction
OFF Normal operation
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