35
V | +5 | +5V | |
R1 | |||
| |||
|
| ||
|
| Inhibit | |
|
| C | |
|
| R18 | |
| ISP CONTROL BOARD | ||
ISP ENABLED BY ACTIVE LOW OR CLOSED CONTACT | |||
V
R1 | +5 | +5V |
| ||
|
| |
|
| Inhibit |
|
| C |
|
| R18 |
| ISP CONTROL BOARD | |
ISP ENABLED BY ACTIVE HIGH OR CLOSED CONTACT | ||
R1 = 100 x V (ohm)
V - Voltage at the inhibit input.
Standard value is 2.4K (for 24V). Source must be capable to source or sink 10mA.
ISP - Rev 6/95
