Specifications

1514
COGNEX
Checker
24 VDC
ENCODER PHB−
INPUT 7
INPUT 6
INPUT 5
INPUT 4
INPUT 3
INPUT 2
INPUT 1
TRIGGER
COMM OK
CHECKER
MODULE OK
OUT 7
OUT 6
OUT 5
OUT 4
OUT 3
OUT 2
HS OUT 1
HS OUT 0
I/O COMMON
−
+
ENCODER PHB+
ENCODER PHA−
ENCODER PHA+
5-24 VDC
5-24 VDC
+
+
–
A+
A–
–
B+
B–
+
–
A+
B+
V–
4.7 KΩ
4.7 KΩ
V+
+ 24 VDC –
V– V+
A+
A–
B+
B–
1
2
3
4
5
6
I/O Module and Encoder Wiring
24 VDC power
Encoder inputs
Job Slot select (0-15)
INPUT 5: bit 3
INPUT 4: bit 2
INPUT 3: bit 1
INPUT 2: bit 0
External Retrain
General-purpose input
Trigger input
General-purpose output lines
(Minimum pulse width = 4 ms)
High-speed output lines
I/O Common
I/O Module Only
I/O Module Only
The I/O Module exposes all Checker I/O lines, and it adds Job Control and
External Retrain input lines, one general-purpose input line, and six additional
general-purpose output lines.
I/O Module
Encoder Wiring
Differential
Single-ended
Example (Differential Encoder)
PHB– (VIOLET/WHITE)
PHA– (BROWN/WHITE)
PHB+ (VIOLET)
PHA+ (BROWN)
DC– (BLACK)
PHB– (VIOLET/WHITE)
PHA– (BROWN/WHITE)
PHB+ (VIOLET)
PHA+ (BROWN)
DC– (BLACK)
1 PHB- (VIOLET/WHITE)
2 PHB+ (VIOLET)
3 PHA- (BROWN/WHITE)
4 PHA+ (BROWN)
5 24 VDC+ (RED)
6 24 VDC– (BLACK)
Job Change