4.2 System Connections
NOTES:
1. Logic inputs and outputs are relative to voltage level connected to Vin (Pin c3). For example, set Vin to 5 Vdc for TTL, or 24
Vdc for controller with 24 Vdc inputs/outputs.
2. The five digit BCD outputs are limited to stroke lengths
≤
7500 mm when measuring in millimeters. When measuring in
inches, BCD output is available for stroke lengths up to 300 inches.
3. When using a PWM output, the sensors must be configured for external interrogation.
Figure 4-6
System Connections
DC Common
+ 24V Input to MK292
5-24V Input for TTL Output
Error
Data Ready
Master/Start Output
PWM or Start/Stop
Master/Slave Input
mm/Inch
c11
c12
Vin
0V
c11
c12
Vin
0VParallel
BCD Output
(Note 2)
Parallel
Binary Output
Parallel
Gray Output
c11
c12
0V
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
5
6
MSB
LSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
BCD Natural Binary
or Gray Code
Polarity (+/-)
Displacement Output Format
c15
Vin Negative
c15
0V Positive
Displacement
Output Format
Output Logic
c10
Vin
PWM
(Note 3)
c10
0V Start/Stop
PWM or Start/Stop
c1 or a1
c1 or a1
c1 or a1
c2 or a2
c2 or a2
c2 or a2
c2 or a2
c1 or a1
c1 or a1
c1
c2
c3
0 V
24 V
Vin
For 5 - 24 V input
IMPORTANT: 5 V required for TTL
(Note 1)
c1
c2
c3
0 V
24 V
EXAMPLE:
Controller with 24 V inputs
c1 or a1
c2 or a2
c3 or a3
c5
c6
c7
c10
c11
c12
c13
c14
c15
c16
c17
c19
c20
c24
c25
c27
c28
c30 or a30
c31 or a31
c32 or a32
a4
a5
a6
a7
a8
a9
a10
a11
a12
a13
a14
a15
a16
a17
a18
a19
a20
a21
a22
a23
a24
a25
a26
a27
a28
MK 292
Digital
Output
Module
When high, output is negative (-);
when low, output is positive (+)
Sensor Connections
(Wire color is sensor dependent -
refer to Section 4.1 of this manual)
(+) Interrogation
(-) Interrogation
(+) Gate or (+) Start/Stop Pulse
(-) Gate or (-) Start/Stop Pulse
+ 15 Vdc
- 15 Vdc
DC Ground
Frame
Output
Output
Input
Optional Analog Output
DC Common
DC Common
DC Common
Output Logic (+/-)
External Start Input
Data Hold Input
c14
Vin Inches
c14
0V Millimeter
Unit of Measurement
c1 or a1
c2 or a2
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