Hardware Reference Manual
Connector Pinouts
45
J4 (JMACH2): Machine Port
Connector (34-Pin Header)
Front View
Pin# Symbol Function
Description
Notes
1
FLG_5_6_V
Input
Flags 5-6 Pull-Up
2
FLG_7_8_V
Input
Flags 7-8 Pull-Up
3
GND
Common
Digital Common
4
GND
Common
Digital Common
5
HOME5
Input
Home-Flag 5
10
6
HOME6
Input
Home-Flag 6
10
7
PLIM5
Input
Positive End Limit 5
8,9
8
PLIM6
Input
Positive End Limit 6
8,9
9
MLIM5
Input
Negative End Limit 5
8,9
10
MLIM6
Input
Negative End Limit 6
8,9
11
USER5
Input
User Flag 5
12
USER6
Input
User Flag 6
13 PUL_5 Output
Pulse
Output
5
14 PUL_6 Output
Pulse
Output
6
15 DIR_5 Output
Direction
Output
5
16
DIR_6
Output
Direction Output 6
17 EQU5 Output
Encoder
Comp-Equal
5
18 EQU6 Output
Encoder
Comp-Equal
6
19
HOME7
Input
Home Flag 7
10
20
HOME8
Input
Home Flag 8
10
21
PLIM7
Input
Positive End Limit 7
8,9
22
PLIM8
Input
Positive End Limit 8
8,9
23
MLIM7
Input
Negative End Limit 7
8,9
24
MLIM8
Input
Negative End Limit 8
8,9
25
USER7
Input
User Flag 7
26
USER8
Input
User Flag 8
27 PUL_7 Output
Pulse
Output
7
28 PUL_8 Output
Pulse
Output
8
29
DIR_7
Output
Direction Output 7
30
DIR_8
Output
Direction Output 8
31
EQU7
Output
Encoder Comp-Equal 7
32
EQU8
Output
Encoder Comp-Equal 8
33
B_WDO
Output
Watchdog Out
Indicator/Driver
34
No Connect
Note 1:
Pins marked
PLIMn
should be connected to switches at the
positive
end of travel. Pins marked
MLIMn
should be connected to switches at the negative end of travel.
Note 2
: Must be conducting to 0V (usually GND) for PMAC to consider itself not into this limit. Automatic limit
function can be disabled with Ix25.
Note 3
: Functional polarity for homing or other trigger use of HOMEn controlled by Encoder/Flag Variable I9n2.
HMFLn selected for trigger by Encoder/Flag Variable I9n3. Must be conducting to 0V (usually GND) to
produce a 0 in PMAC software.
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