12/3/2019 | MAN1131-06-EN
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wiring: I-O continued...
MJ1 PIN
MJ2 PIN
PIN
SIGNAL
DIRECTION
SIGNAL
DIRECTION
8
TXD
OUT
--
7
RXD
IN
--
6
0V
Common
0 V
Common
5
+5VDC @ 60mA
OUT
+5VDC @ 60mA
OUT
4
RTS
OUT
--
--
3
CTS
IN
--
--
2
--
--
RX- / TX-
IN / OUT
1
--
--
RX+ / TX+
IN / OUT
4.2 - Serial Communications
MJ1:
RS-232 w/full handshaking
MJ2:
RS-485 half-duplex
RS-485 termination and biasing via System Menu or
System Register
The CAN port is provided via the single 8-position modular jack labeled
“CAN”. It may be used to communicate with other OCS products using
Horner’s CsCAN protocol. Additionally, remote expansion I/O such as
SmartRail, SmartBlock, and SmartStix may be implemented using the
CsCAN protocol.
Termination for the CAN port may be enabled from the System Menu
or System Register. This should only occur if the X2 is at one end of the
CAN network or the other. Only the two devices on either end of the CAN
network should be terminated.
4 COMMUNICATIONS
4.1 - CAN Communications
CAN Pin Assignments
PIN SIGNAL
8
No Connection
7
Ground
6
Shield
5
No Connection
4
No Connection
3
Ground
2
CAN Data Low
1
CAN Data High
CAN
Modular jack (8posn RJ45)
POSITION/PIN
DIGITAL MODEL
1
AI1
Analog Input 1
2
AI2
Analog Input 2
3
AI3
Analog Input 3
4
AI4
Analog Input 4
5
C
Common
6
C
Common
7
AQ1
Analog Output 1
8
AQ2
Analog Output 2
9
C
Common
+ 20 mA -
+ 20 mA -
LOOP PWR
AI1
AI2
AI3
AI4
C
C
AQ1
AQ
2
C
20 mA
20 mA
20 mA
20 mA
J3 Wiring - Model R & Model A
Analog Input and Output
20mA Connections
20
mA
20mA Analog In - Not Self Powered
Loop Power
I1
0V
20
mA
20mA Analog In - Self Powered
I1
0V
0-10VDC IN
0V
I1
0-10VDC
communications continued...
Both X2 models feature built-in I/O. TThe I/O is mapped into OCS Register
space, in three separate areas – Digital/Analog I/O, High-Speed Counter
I/O, and High-speed Output I/O. Digital/Analog I/O location is fixed starting
at 1, but the high-speed counter and high-speed output references may be
mapped to any open register location. For more details, see the X2 OCS
User’s Manual (MAN1130).
5 BUILT-IN I/O for X2 - Models R & A
FIXED ADDRESS
I/O FUNCTION
MODEL R
MODEL A
%I
Digital Inputs
1-12
1-12
Reserved
13-32
13-32
%Q
Digital Outputs
1-2
1-12
Relay Outputs
3-8
--
Reserved
9-16
13-16
%AI
Analog Inputs
1-4
1-4
Reserved
5-12
5-12
%AQ
Analog Outputs
1-2
1-2
Reserved
3-6
3-6
