B - wiring without the interface module, Wiring example, Wiring without the interface module – Rockwell Automation 1746-QS,D17466.19 SYNCHRONIZED AXES MODULE User Manual
Page 41: Appendix
Appendix
B
Publication 1746-6.19 March 1998
Wiring Without the
Interface Module
We present a 1-axis loop with a differential LDT input.
(You must provide power supplies and servo amplifiers.)
LDT and Hydraulic Ram
Drive Output
Valves
Servo
Proportional
Amplifier
24V Power
Supply
"15V Power
Supply
earth ground
(+) (–)
(–) (C) (+)
Belden
8761
Belden
8761
Belden
8770
Piston-type Hydraulic Cylinder and
Linear Displacement Transducer (LDT)
0V (internal)
Pwr
Int
Ret
Axis Loop 1 of 4-axis system
Belden
8105
Connect cable shields to earth ground.
Connect signal commons and PS commons
together, isolated from earth ground.
11
3
2
1
8
17
13
+
–
+
–
Signal
Common
Pin Numbers of
Signal Cable from
1746-QS Module
Fused
Connector
Grounding exception:
Connect this shield
to internal common.
We present the DB-26 connector pin functions in two ways:
LDT/loop number (1-4) and numerical order (1-26) in the connector:
by LDT/Loop
in Numerical Order
I/O
Function
Pins for
Loop 1
Pins for
Loop 2
Pins for
Loop 3
Pins for
Loop 4
Pin
#
I/O
Function
Pin
#
I/O
Function
Pin
#
I/O
Function
(+) Interrogate
1
10
4
22
1
(+) Interrogate 1
10
(+) Interrogate 2
19
(–) Interrogate 2
(–) Interrogate
11
19
5
14
2
(+) Return 1
11
(–) Interrogate 1
20
(+) Return 2
(+) Return
2
20
15
23
3
(–) Return 1
12
(–) Return 2
21
LDT Common
(–) Return
3
12
6
24
4
(+) Interrogate 3
13
LDT Common
22
(+) Interrogate 4
LDT Common
13, 21
5
(–) Interrogate 3
14
(–) Interrogate 4
23
(+) Return 4
n/c
7, 16
6
(–) Return 3
15
(+) Return 3
24
(–) Return 4
Drive Common
8, 26
7
n/c
16
n/c
25
Drive Output 2
Drive Output
17
25
9
18
8
Drive Common
17
Drive Output 1
26
Drive Common
9
Drive Output 3
18
Drive Output 4
Wiring Example