4
Automatic Control
GENERAL INSTALLATION
System Description -
0
CB
The Model
M
CB
1
control box is similar in confi guration to the Model
M
CB2 control box
, but there
are some differences.
The Model
M
CB
1
control box will work with only on/off (bang-bang) solenoid valves. It will not
work with proportional current or proportional voltage valves.
The
M
CB
1
is designed to work with a single
MCR
machine control receiver. The system
will accept
MCR
models
1
,
2
, MC
2E
, or
3
.
The valve drive selector switch (15) does not function with the
M
CB
1
. Refer to controls and
confi guration sections beginning on page 7.
When used with the
MCR1
, the on-grade deadband i
s limited to 1 inch (25 mm) total.
The
MCR1 has a total of 2 inches of proportional photocells which leaves a minimum
of 1/2 inch for grade corrections on each side. When combining wide deadbands and low gain
settings, the valve may not reach 100% valve on duty cycle on large corrections.
NOTE:
The
MCR1
is designed to work with the
MCB1 control box only.
NOTE:
If the
MCR
receiver was purchased prior to the purchase of the control
box, check with the factory as updates to the receiver may be required. Please have
the receiver model and serial number available. These updates are free of charge.