User manual
3U Servo Amplifier
3U DRIVE CONNECTIONS
PWM Input Connector
Axis #1 PWM input connector
P1 (36-pin Mini-D Connector)
Pin # Symbol Function Description Notes
1 FC0 Feedback 1 of 4 fault code bits
2 FC2 Feedback 1 of 4 fault code bits
3 ADC_CLK1+ Command A/D converter clock
4 ADC_STB1+ Command A/D converter strobe
5 CURRENTA+ Feedback Phase A actual current data Serial digital
6 CURRENTB+ Feedback Phase B actual current data Serial digital
7 AENA1+ Command Amplifier enable High is enable
8 FAULT1+ Feedback Amplifier fault High is fault
9 PWMATOP1+ Command Phase A top Cmd High is on command
10 PWMABOT1+ Command Phase A bottom Cmd High is on command
11 PWMBTOP1+ Command Phase B top Cmd High is on command
12 PWMBBOT1+ Command Phase B bottom Cmd High is on command
13 PWMCTOP1+ Command Phase C top Cmd High is on command
14 PWMCBOT1+ Command Phase C bottom Cmd High is on command
15 GND Common Reference voltage
16 +5V Power +5v power From controller
17 Reserved
18 Reserved
19 FC1 Feedback 1 of 4 fault code bits
20 FC3 Feedback 1 of 4 fault code bits
21 ADC_CLK1- Command A/D converter clock
22 ADC_STB1- Command A/D converter strobe
23 CURRENTA- Feedback Phase A actual current data Serial digital
24
CURRENTB- Feedback Phase B actual current data Serial digital
25 AENA1- Command Amplifier enable Low is enable
26 FAULT1- Feedback Amplifier fault Low is fault
27 PWMATOP1- Command Phase A top Cmd Low is on command
28 PWMABOT1- Command Phase A bottom Cmd Low is on command
29 PWMBTOP1- Command Phase B top Cmd Low is on command
30 PWMBBOT1- Command Phase B bottom Cmd Low is on command
31 PWMCTOP1- Command Phase C top Cmd Low is on command
32 PWMCBOT1- Command Phase C bottom Cmd Low is on command
33 GND Common Reference voltage
34 +5V Power +5v power From controller
35 Reserved
36 Reserved
A Mini-D 36-pin connector for first digital amplifier command outputs and current feedbacks. This
connector provides the interface to a fully digital amplifier for the first channel.
Note that current feedback data must be in serial digital form, already converted from analog in the
amplifier.
For Cables see Appendix A
Backplane Board 21