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Appendix A—Description of parameters
VARIABLE SPEED DRIVE SERIES III LIT-12012999—June 2018 www.johnsoncontrols.com
Code Modbus ID Parameter Application RO/RW
P1.12 136 Hand Reference 1,2,3 RW
This parameter determines the reference for "Hand" control mode.
0 = AI1 - Control Terminals 2 and 3, defined as a voltage or current signal input based on S1 DIP switch
setting. Parameter settings done in Analog input group.
1 = AI2 - Control Terminals 4 and 5, defined as a current or voltage signal input based on S2 and S3 DIP
switch setting. Parameter settings done in Analog input group.
2 = Slot A: AI1 - Comes from the slot A DXG-EXT-1AI2AO board, defined as a voltage or current signal
based off on board DIP switch. See Option card Manual for more details.
3 = Slot B: AI1 - Comes from the slot B DXG-EXT-1AI2AO board, defined as a voltage or current signal
based off on board DIP switch. See Option card Manual for more details.
4 = AI1 Joystick - Control Terminals 2 and 3, defined as a voltage or current signal input based on S1 DIP
switch setting. Parameter settings done in Analog input group.
5 = AI2 Joystick - Control Terminals 4 and 5, defined as a current or voltage signal input based on S2 and
S3 DIP switch setting. Parameter settings done in Analog input group.
6 = Keypad - Keypad Up and down buttons change keypad reference parameter Para ID 141.
7 = Fieldbus Ref - Speed reference word used to define speed. Check Communication Manual for
more details.
9 = Max Frequency - Run at the Para ID 102 Max Frequency level.
10 = AI1 + AI2 - Sum of the AI1 and AI2 signals. See Option 0 and 1 for input details.
11 = AI1 - AI2 - AI1 signal value minus AI2 signal value. See Option 0 and 1 for input details.
12 = AI2 - AI1 - AI2 signal value minus AI1 signal value. See Option 0 and 1 for input details.
13 = AI1 * AI2 - AI1 signal value multiplied by AI2 signal value. See Option 0 and 1 for input details.
14 = AI1 or AI2 - AI1 signal value or AI2 signal value. See Digital input group to assign select input
signal. See Option 0 and 1 for input details.
15 = Min(AI1,AI2) - Minimum of AI1 signal value or AI2 signal value. See Option 0 and 1 for
input details.
16 = Max(AI1,AI2) - Maximum of AI1 signal value or AI2 signal value. See Option 0 and 1 for
input details.
17 = PID1 Control Output - PID controller 1 output , see PID group for setup.
18 = PID2 Control Output - PID controller 2 output. see PID group for setup.
P1.13 135 Auto 1 Control Place 1,2,3 RW
Selects where the drive will look for the start command in the "Auto 1" location.
• I/O terminal Start 1 and 2 would be from the Digital hardwired inputs assigned via the input group
• Fieldbus would be from a communication bus.
• Keypad would be from the Start/Stop buttons on the keypad.
P1.14 137 Auto 1 Reference 1,2,3 RW
This parameter determines the reference for “Auto 1” control mode.
0 = AI1 - Control Terminals 2 and 3, defined as a voltage or current signal input based on S1 DIP switch
setting. Parameter settings done in Analog input group.
1 = AI2 - Control Terminals 4 and 5, defined as a current or voltage signal input based on S2 and S3 DIP
switch setting. Parameter settings done in Analog input group.
2 = Slot A: AI1 - Comes from the slot A DXG-EXT-1AI2AO board, defined as a voltage or current signal
based off on board DIP switch. See Option card Manual for more details.
3 = Slot B: AI1 - Comes from the slot B DXG-EXT-1AI2AO board, defined as a voltage or current signal
based off on board DIP switch. See Option card Manual for more details.
4 = AI1 Joystick - Control Terminals 2 and 3, defined as a voltage or current signal input based on S1 DIP
switch setting. Parameter settings done in Analog input group.
5 = AI2 Joystick - Control Terminals 4 and 5, defined as a current or voltage signal input based on S2 and
S3 DIP switch setting. Parameter settings done in Analog input group.
6 = Keypad - Keypad Up and down buttons change keypad reference parameter Para ID 141.
7 = Fieldbus Ref - Speed reference word used to define speed. Check Communication Manual for more
details.
9 = Max Frequency - Run at the Para ID 102 Max Frequency level.
10 = AI1 + AI2 - Sum of the AI1 and AI2 signals. See Option 0 and 1 for input details.
11 = AI1 - AI2 - AI1 signal value minus AI2 signal value. See Option 0 and 1 for input details.
12 = AI2 - AI1 - AI2 signal value minus AI1 signal value. See Option 0 and 1 for input details.
13 = AI1 * AI2 - AI1 signal value multiplied by AI2 signal value. See Option 0 and 1 for input details.
14 = AI1 or AI2 - AI1 signal value or AI2 signal value. See Digital input group to assign select input
signal. See Option 0 and 1 for input details.
15 = Min(AI1,AI2) - Minimum of AI1 signal value or AI2 signal value. See Option 0 and 1 for input details.
16 = Max(AI1,AI2) - Maximum of AI1 signal value or AI2 signal value. See Option 0 and 1 for input
details.
17 = PID1 Control Output - PID controller 1 output , see PID group for setup.
18 = PID2 Control Output - PID controller 2 output. see PID group for setup.
P1.15 138 Auto 2 Control Place 1,2,3 RW
Selects where the drive will look for the start command in the "Auto 2" location. Using the Remote
1/2 select digital input will select between control place 1 and 2.
• I/O terminal Start 1 and 2 would be from the Digital hardwired inputs assigned via the input group
• Fieldbus would be from a communication bus.
• Keypad would be from the Start/Stop buttons on the keypad.
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