Accelnet Plus Micro Modules User Guide
16-01687 Rev 03
Copley Controls
Page 65 of 139
STO
P
IN
D
ESCRIPTION
Pin Signal
Function
Pin Signal
Function
1
STO1_RTN
Low Side of IN1
9
STO2_RTN
Low Side of IN1
2
STO1_24V_IN
+24V Compatible
High Side of IN1
10 STO2_IN
+5V Compatible High
Side of IN1
3
STO1_RTN
Low Side of IN1
11 N.C.
No Connection
4
STO1_IN
+5V Compatible High
Side of IN1
12 N.C.
No Connection
5
N.C.
No Connection
13 SGND
Signal Ground
6
N.C.
No Connection
14 FGND
Chassis
7
STO2_RTN
Low Side of IN1
15 IN1
Input 1
8
STO2_24V_IN
+24V Compatible
High Side of IN1
16 +5VENC
+5V Encoder Power
STO1 TN
IN1
STO2 TN
Channel 1
2k
2k
6.2V
5.1V
12. k
2.2k
2k
2k
STO 1
STO 2
1
Channel 2
Safety
elated
Circuits
STO2 TN
SGND
IN1
AME GND
5VENC
STO1 TN
STO1 IN
STO1 2 V IN
5VENC
STO1 TN
AEV, APV 3
AEV APV EZ 6
6.2V
5.1V
12. k
2.2k
STO2 IN
STO2 2 V IN
STO2 TN
2 V
unctional Safety Circuit oundary
SGND
GND
The graphic shows how the EZ Board STO inputs can be driven from 5V or 24V sources.
The AEV and APV EZ Development boards have the same connections as the EZ board
example shown above.