| Description |
Direction |
Pin |
Use |
| Output Voltage Supply |
In |
1 |
Connect to a voltage supply. This is the voltage that will be switched by the outputs |
| Logic Voltage |
Out |
2 |
Logic Voltage from the MMC. This is provided as a convenience to tie to the Output Voltage Supply pin if that's the desired voltage |
| Output 4 |
Out |
3 |
General purpose output limited to 100 ma |
| Output 3 |
Out |
4 |
General purpose output limited to 100 ma |
| Output 2 |
Out |
5 |
General purpose output limited to 100 ma |
| Output 1 |
Out |
6 |
General purpose output limited to 100 ma |
| Input 4 |
In |
7 |
General purpose input with sourcing or sinking deteremined by Input Common 1-4 pin |
| Input 3/Index 1 |
In |
8 |
General purpose input with sourcing or sinking deteremined by Input Common 1-4 pin. When acting as an input for an external encoder or master
this signal is the index pulse for option encoder 1 |
| Input 2/Dir 1 Quad B 1/Down 1 |
In |
9 |
General purpose input with sourcing or sinking deteremined by Input Common 1-4 pin. When acting as an input for an external encoder or master source
this signal is the Dir, or Quadrature B, or Down Pulse for option encoder 1 |
| Input 1/Step 1/Quad A 1/Up 1 |
In |
10 |
General purpose input with sourcing or sinking deteremined by Input Common 1-4 pin. When acting as an input for an external encoder or master source
this signal is the Step, or Quadrature A, or Up Pulse for option encoder 1 |
| Input Common Voltage |
Out |
11 |
On IOH this pin is Logic Voltage. On IOL this is 5V. Connect to Input Common 1-4 if inputs 1 through 4 should respond to sinking signals (switch closures to GND) |
| Input Common 1-4 |
In |
12 |
Connect this to Input Common Voltage for inputs 1 through 4 that are sinking (switch closures to GND) and to GND for inputs that provide voltage |
| GND |
Out |
13 |
Connect this to Input Common 1-4 if input 1 through 4 are to respond to signals providing voltage |
| 5V |
Out |
14 |
5V from the MMC. This is provided as a convenience to tie to the Output Voltage Supply pin if that's the desired voltage for outputs |
| Output 8 |
Out |
15 |
General purpose output limited to 100 ma |
| Output 7 |
Out |
16 |
General purpose output limited to 100 ma |
| Output 6 |
Out |
17 |
General purpose output limited to 100 ma |
| Output 5 |
Out |
18 |
General purpose output limited to 100 ma |
| Input 8 |
In |
19 |
General purpose input with sourcing or sinking deteremined by Input Common 5-8 pin |
| Input 7/Index 2 |
In |
20 |
General purpose input with sourcing or sinking deteremined by Input Common 5-8 pin. When acting as an input for an external encoder or master
this signal is the index pulse for option encoder 2 |
| Input 6/Dir 2/Quad B 2/Down 2 |
In |
21 |
General purpose input with sourcing or sinking deteremined by Input Common 5-8 pin. When acting as an input for an external encoder or master source
this signal is the Dir, or Quadrature B, or Down Pulse for option encoder 2 |
| Input 5/Step 2/Quad A 2/Up 2 |
In |
22 |
General purpose input with sourcing or sinking deteremined by Input Common 5-8 pin. When acting as an input for an external encoder or master source
this signal is the Step, or Quadrature A, or Up Pulse for option encoder 2 |
| Input Common Voltage |
Out |
23 |
On IOH this pin is Logic Voltage. On IOL this is 5V. Connect to Input Common 5-8 if inputs 5 through 8 should respond to sinking signals (switch closures to GND) |
| Input Common 5-8 |
In |
24 |
Connect this to Input Common Voltage for inputs 5 through 5 that are sinking (switch closures to GND) and to GND for inputs that provide voltage |
| GND |
Out |
25 |
Connect this to Input Common 5-8 if input 5 through 8 are to respond to signals providing voltage |
