Appendix B
Motion Connection Accessories
©
National Instruments Corporation
B-7
Table B-3.
CN1B through CN4B Pin Assignments
Accessory Signal
CNB Pin
Number
Drive Signal
Line Ground
1
LG (Control common)
VLA
2
VC/VLA (Analog speed limit)
NC
3
VDD (I/F internal power supply)
DO1
4
DO1 (Digital output)
Axis <1..4> Inhibit-Out/General
Purpose Output 1
5
SON (Servo On)
TLC
6
TLC (Torque limit control)
NC
7
LOP/SP2 (Control change/Speed selection 2)
PC
8
PC/ST1/RS2 (Proportion control)
TL
9
TL/ST2/RS1 (Torque limit selection)
Isolated Ground
10
SG (Digital I/F common)
NC
11
P15R (15 VDC power supply)
TLA
12
TLA/TC (Analog torque limit)
+24 V
13
COM (Digital I/F power supply input)
RES
14
RES (Reset)
EMG
†
15
EMG (Emergency stop)
Isolated Ground
16
LSP (Forward rotation stroke end)
Isolated Ground
17
LSN (Reverse rotation stroke end)
Axis <1..4> Inhibit-In (Alarm)
18
ALM (Alarm)
ZSP
19
ZSP (Zero speed)
Isolated Ground
20
SG (Digital I/F common)
†
This signal must be grounded for the drive to function correctly.