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Serial (RS-232) Controls and Operation
132 AX2550 Motor Controller User’s Manual Version 1.9b. June 1, 2007
Connector I/O Pin Assignment (RS232 Mode)
When used in the RS232 mode, the pins on the controller’s DB15 connector are mapped
as described in the table below
TABLE 23. DB15 Connector pin assignment in RS232 mode
Pin
Number
Input or
Output Signal Description
1 and 9 Output Output C 2A Accessory Output C
2 Output Data Out RS232 Data from Controller to PC
3 Input Data In RS232 Data In from PC
4 Input Input F Digital Input F readable RS232 mode
Dead man switch activation
5 and 13 Power Out Ground Controller ground (-)
6 GND In
Unused in RevB
Hardware
Ground Optocoupler GND Input, Connect to pin 5
Unused in RevB Hardware
7 +5V In
Unused in RevB
Hardware
Power Optocoupler +5V Input. Connect to pin 14
Unused in RevB Hardware
8 Digital In and
Analog In
Input E / Ana in 4 Accessory input E
Dead man Switch Input
Activate Output C
Analog Input 4 in RevB Hardware
10 Analog in Ana in 2 Channel 2 speed or position feedback input
11 Analog in Ana in 1 Channel 1 speed or position feedback input
12 Ana in 3 Analog input 3
14 Power Out +5V +5V Power Output (100mA max.)
15 Input Input EStop/Inv Emergency Stop or Invert Switch input
Pin1
8
15
9
FIGURE 1. Pin locations on the controller’s 15-pin connector