Horner APG QX651 OCS User Manual
Page 4
MAN0797-03-EN
Specifications / Installation
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9/16/2009 Page 4 of 7 ECN # 968
3.3.1
Primary Power Port / Grounding
a.
Port 1 (MJ1) / Port 2 (MJ2) Modular Jacks
Figure 6 – Close-up of Port 1 (MJ1) / Port 2 (MJ2) (RS-232 and RS-485)
b.
Port 3 (CN1) Connector
Figure 7 – Port 3 (CN1) RS-232 / RS-485 Connector
Table 4 – Primary Power Port Pins
Signal Pin
Description
V+
Input power supply voltage
V-
Input power supply ground
Frame Ground
Note: Power Supply Voltage Range is from 24VDC
±±±±
10%.
3.3.2
RS-232 Port / RS-485 Port
There are a variety of ways to connect to the RS-232 and RS-485 ports; You can use
two modular jacks (MJ1 and MJ2) or the 25-pin Dsub connector (CN1).
Table 5 – Ports and Functions (Port 1, 2, and 3)
Functions
Port 1 (MJ1)
Port 2 (MJ2) Port 3 (CN1)
RS-232
RS-485
Hardware Handshaking
Programming
Ladder Function
Controlled
Modem
*
*
* Not supported by Cscape Modem Function Blocks
1 2 3 4 5 6 7 8
Table 6 – Port 1 (MJ1) / Port 2 (MJ2) Pins
Pin
Signal
1
+SD/RD
2
-SD/RD
3
+5V
4
+5V
5
0V
6
0V
7
RXD
8
TXD
Output power supply: Max. 150mA
Table 7– Port 3 (CN1) Pins
Pin #
Signal
Pin #
Signal
1
FG
14
QX451, 551, 651: +RTS
2
TXD
15
Not Used
3
RXD
16
Not Used
4
RTS
17
QX451, 551, 651: -RTS
5
CTS
18
-CTS
6
Not Used
19
+CTS
7
SG
20
Not Used
8
Not Used
21
Not Used
9
+5V
22
Not Used
10
0V
23
Not Used
11
Not Used
24
+RD
12
+SD
25
-RD
13
-SD
1
13
14
25