User Manual for ELD5 Servo
(V1.00)
www.leadshine.com
16
3.2 Driver Terminals Function
3.2.1 Control Signal Port-CN1 Terminal
The left on Figure 3.3 is control signal port CN1 of servo driver with DB26 connector; And, the right on
Figure 3.3 is SI input of the switch, SO output of the switch, analog A1 input, the A3 input from top to bottom.
Figure 3-3 Servo Driver Port Terminal
Table 3.1 Signal Explanation of Control Signal Port-CN1
CN1
pin
Signal
IO
Detail
CN1
（
DB26
）
1
COM+
Input
Power supply positive terminal of the external input control
signal, 12V ~ 24V
2
SI1-Svon
Input
Digital input signal 1, default value is servo on signal in
position mode , low level available in default , the maximum
voltage is 24V input
3
PUL+
Input
Positive and negative pulse input, respectively. TTL level
(5V), the rising edge available in default
4
PUL-
Input
5
DIR+
Input
Positive and negative direction input, respectively. TTL level
(5V), optical coupling deadline available in defaul
t
6
DIR-
Input
7
SI2-FL
Input
Digital input signal 2, default value is forward run prohibited
(POT)signal in position mode , low level available in default ,
max voltage is 24V input
8
SI3-RL
Input
Digital input signal 3, default value is reverse run prohibited
(NOT) signal in position mode , low level available in default ,
max voltage is 24V input
9
SI4-ZS
Input
Digital input signal 4, default value is zero-speed clamp
(ZEROSPD) signal in position mode , low level available in
default , max voltage is 24V input
10
SI5-CLR
Input
Digital input signal 5, default value is deviation counter clear
input in position mode , low level available in default , max
voltage is 24V input
11
Vin+
Input
Analog input , voltage input range : -10 - 10V , input resistor
20KΩ
12
Vin-
Input
