4.4. POWER CONNECTOR ................................................................................................................................................................... 35
4.4.1. DC24V Input........................................................................................................................................................ 36
4.4.2. ON/OFF Switch ................................................................................................................................................... 36
4.5. ISOLATED 8DI/8DO ................................................................................................................................................................... 37
4.6. EXTERNAL I/O CONNECTORS ........................................................................................................................................................ 39
4.6.1. LED Indicator...................................................................................................................................................... 40
4.6.2. COM 3/4 and 5/6 Serial Port................................................................................................................................ 41
4.6.1. COM 7/8.............................................................................................................................................................. 42
4.6.2. USB2 Port............................................................................................................................................................ 43
4.6.3. USB3 Port............................................................................................................................................................ 44
5. SPC-3221 WITH SPC-L122D-CSM ........................................................................................................................................... 45
5.1. SPECIFICATIONS.......................................................................................................................................................................... 45
5.2. INTRODUCTION .......................................................................................................................................................................... 46
5.3. SPE-L122D-CSM BOARD LAYOUT................................................................................................................................................ 47
5.4. POWER CONNECTOR ................................................................................................................................................................... 47
5.4.1. DC24V Input........................................................................................................................................................ 48
5.4.2. ON/OFF Switch ................................................................................................................................................... 48
5.5. CN1 ISOLATED 8DI/8DO ............................................................................................................................................................ 49
5.6. EXTERNAL I/O CONNECTORS ........................................................................................................................................................ 51
5.6.1. LED Indicator...................................................................................................................................................... 52
5.6.2. USB3 Port............................................................................................................................................................ 53
5.6.3. COM 3/4 and 5/6 Serial Port................................................................................................................................ 54
5.6.4. Mnet Motionnet Rings......................................................................................................................................... 55
5.7. MOTIONNET.............................................................................................................................................................................. 56
6. SPC-3212 WITH SPC-L121D-2PA ............................................................................................................................................ 57
6.1. SPECIFICATIONS.......................................................................................................................................................................... 57
6.2. INTRODUCTION .......................................................................................................................................................................... 58
6.3. SPE-L121D-2PA BOARD LAYOUT ................................................................................................................................................. 59
6.4. POWER CONNECTOR ................................................................................................................................................................... 59
6.4.1. DC24V Input........................................................................................................................................................ 60
6.4.2. ON/OFF Switch................................................................................................................................................... 60
6.5. ADVANCED DIGITAL I/O............................................................................................................................................................... 61
6.6. EXTERNAL I/O CONNECTORS ........................................................................................................................................................ 64
6.6.1. LED Indicator...................................................................................................................................................... 65
6.6.2. USB3 Port............................................................................................................................................................ 66
6.6.3. USB2 Port............................................................................................................................................................ 67
6.6.4. Mnet Motionnet Ring........................................................................................................................................... 68
6.6.5. PoE Power Ethernet............................................................................................................................................. 69
6.6.6. CN2 Analog Output ............................................................................................................................................. 70