Connect to a guardplc 2000 controller, The serial port requires a 9-pin d-shell connector, Guardplc 2000 – Rockwell Automation 1755-OF8 GuardPLC Controller Systems User Manual
Page 267

Publication 1753-UM001C-EN-P - March 2010
267
Communicate with ASCII Devices Chapter 21
Connect to a GuardPLC 2000 Controller
The serial port requires a 9-pin D-shell connector.
FB2
FB1
L-
2
3
4
1
L-
L-
L-
L-
19
20
21
22
23
24
25
26
27
LS+
I17
I18
I19
I20
I21
I22
I23
I24
L-
O1
O2
O3
O4
O5
O6
O7
O8
L-
O9
O10
O11
O12
O13
O14
O15
O16
28
29
30
31
32
33
34
35
36
19
20
21
22
23
24
25
26
27
37
38
39
40
41
42
43
44
45
C-
B1
Z1
C1
C-
C-
C-
A1
C-
C-
B2
Z2
C2
C-
C-
C-
A2
C-
O1+
O2+
O2-
O3+
O3-
O4+
O4-
O1-
O5+
O6+
O6-
O7+
O7-
O8+
O8-
O5-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
I1+
I2+
I-
I3+
I-
I4+
I-
I-
I5+/1-
I6+/2-
I-
I7+/3-
I-
I8+/4-
I-
I-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
LS+
I1
I2
I3
I4
I5
I6
I7
I8
LS+
I9
I10
I11
I12
I13
I14
I15
I16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
10/100BaseT
Tx
COL
FORCE
PROG
FAULT
RUN
STOP
RUN
ERR
RUN
RUN
RUN
ERR
RUN
ERR
ERR
1755-
IB24XOB16
1755-
IF8
1755-
OF8
1755-
HSC
1755-
L1
CPU
DIO
AI
AO
CO
PS
FAULT
2
1
3
24V
3,3V
FAULT
5V
RESTART
DC 24V
L-
L+
3V DC
LITH-BATT.
1755-
PB720
GuardPLC 2000
28
29
30
31
32
33
34
35
36
19
20
21
22
23
24
25
26
27
37
38
39
40
41
42
43
44
45
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
RUN
ERR
1755-
IB24XOB16
DIO
LS+
I17
I18
I19
I20
I21
I22
I23
I24
L-
O1
O2
O3
O4
O5
O6
O7
O8
L-
O9
O10
O11
O12
O13
O14
O15
O16
1
2
3
4
5
6
7
8
9
LS+
I1
I2
I3
I4
I5
I6
I7
I8
LS+
I9
I10
I11
I12
I13
I14
I15
I16
L-
2
3
4
1
L-
L-
L-
L-
19
20
21
22
23
24
25
26
27
C-
B1
Z1
C1
C-
C-
C-
A1
C-
C-
B2
Z2
C2
C-
C-
C-
A2
C-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
RUN
ERR
1755-
HSC
CO
ERR
RS-232 ASCII serial port
(only the bottom serial port is active)
Pin
Function
1
none
2
send data
3
receive data
4
none
5
ground
6
none
7
RTS
8
CTS
9
none
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