Manual

Field Wiring Arm Connections
Chapter 6
619
Figure 6.8
Connections for Optional Dump and/or Microinch V alve Solenoids with MOV Surge
Suppression (Grounded AC Power)
LRBLRA
LRALRB
3L1
Dump Valve
Solenoids
A
B
A
B
Switches on
Dump Valve Stems
Micro-inch Valve
Solenoids
3L2
A
B
2L2 2L2
2L2
2L2
Pressure Sw. B
Pressure Sw. A
Micro-inch
Valve Stem A
2L1
Micro-inch
Valve Stem B
Micro-inch Position
on Selector Switch
Chassis B
Chassis A
1
2
2
3L2
Module Group 4
Slot 0
Module Group 4
Slot 1
Module Group 5
Slot 0
NOTES: Use this wiring with figure 6.5 for ungrounded AC power.
LRA and LRB load resistors for triac feedback are 2K ohm, 15 watt resistors
Each solenoid or relay coil should draw at least 60mA.
Connect one MOV to the 3L1 side of each solenoid load and to 3L2 for electrical noise suppression.
1
2
17889
A
0
1
2
3
4
5
6
7
A
0
1
2
3
4
5
6
7
A
0
1
2
3
4
5
6
7
A
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
3
3
For either option For optional Dump Valve For optional Micro-inch Valve
3
2L1
B
B
B
B
1771IA
1771OD
1771IA
Chassis B
Chassis A