User's Manual

Turbo PMAC2 PCI Ultralite HRM
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Connector PinOuts 8
J5A: RS-422 Auxiliary Serial Port
The J5A (RS-422) port provides the ability to communicate using both RS-422 and RS-232. In addition,
this connector is used to daisy chain or interconnect multiple PMACs for synchronized operation (e.g.
over 32 axes MACRO ring).
J5A: 26-pin IDC header (M)
Mating: 26-pin IDC header (F)
Front view
135791113151719
2468101214161820
2123
2224
25
26
Pin#
Symbol
Function
Description
Notes
1
CHASSI
Common
PMAC Common
2
S+5V
Output
+5VDC Supply
Deactivated by E8
3
RD-
Input
Receive Data
Diff. I/O low true
4
RD+
Input
Receive Data
Diff. I/O high true
5
SD-
Output
Send Data
Diff. I/O low true
6
SD+
Output
Send Data
Diff. I/O high true
7
CS+
Input
Clear to Send
Diff. I/O high true
8
CS-
Input
Clear to Send
Diff. I/O low true
9
RS+
Output
Request to Send
Diff. I/O high true
10
RS-
Output
Request to Send
Diff. I/O low true
11
DTR
Bidirect
Data Terminal Ready
Tied to "DSR"
12
INIT/
Input
PMAC Reset
Low is Reset
13
GND
Common
PMAC Common
14
DSR
Bidirect
Data Set Ready
Tied to DTR
15
SDIO-
Bidirect
Special Data
Diff. I/O low true
16
SDIO+
Bidirect
Special Data
Diff. I/O high true
17
SCIO-
Bidirect
Special CTRL.
Diff. I/O low true
18
SCIO+
Bidirect
Special CTRL.
Diff. I/O high true
19
SCK-
Bidirect
Special Clock
Diff. I/O low true
20
SCK+
Bidirect
Special Clock
Diff. I/O high true
21
SERVO-
Bidirect
Servo Clock
Diff. I/O low true
22
SERVO+
Bidirect
Servo Clock
Diff. I/O high true
23
PHASE-
Bidirect
Phase Clock
Diff. I/O low true
24
PHASE+
Bidirect
Phase Clock
Diff. I/O high true
25
GND
Common
PMAC Common
26
+5V
Output
+5VDC Supply
Power supply out
Note
Jumpers E17 and E18 must connect pins 2 and 3 to use this port for
serial communications.