t.a.c. Forta M400A Instructions Manual page 7

VB-72XX Two Way Globe Valve, Forta Proportional Control Setup Reference
Table 1
VB-72xx 2 way valves
Valve Type Program Switch Position
Valve position
at low signal
input Switch 1 Switch 2 Switch 7
VB-722x stem
OFF
up closed
VB-722x stem
OFF
down open
VB-722x stem
ON
up closed
VB-722x stem
ON
down open
VB-721x stem
ON
up open
VB-721x stem
ON
down closed
VB-721x stem
OFF
up open
VB-721x stem
OFF
down closed
Programming Note: The above switch positions are the base programming configurations, in the base
configurations all other switches should be switched off. Once the base programming configuration has
been set up you may wish to add additional program features and functions that are listed below.
DA = Full open, full flow, 10vdc output / Full closed, no flow, 2vdc output
RA = Full open, full flow, 2vdc output / Full closed, no flow 10vdc output
VB-73XX Three Way Globe Valve, Proportional Control Setup Reference
Table 2
VB-73x3 3 way valves
Valve Type Program Switch Position
Valve position at
low signal input Switch 1
VB-731x stem up
OFF
open B to AB
VB-731x stem down
OFF
closed B to AB
VB-731x stem up
ON
open B to AB
VB-731x stem down
ON
closed B to AB
VB-732x stem up
OFF
flow B to AB
VB-732x stem down
OFF
flow B to A
VB-732x stem up
ON
flow B to AB
VB-732x stem down
ON
flow B to A
Programming Note: The above switch positions are the base programming configurations, in the base configurations all
other switches should be switched off. Once the base programming configuration has been set up you may wish to add
additional program features and functions that are listed below.
Forta M400A / M800A Base Proportional Configuration
Power up Signal
Position Action
Retract
OFF OFF
No Flow
Retract
OFF ON
No Flow
Extend
OFF ON
Full Flow
Extend
OFF OFF
Full Flow
Extend
OFF ON
No Flow
Extend
OFF OFF
No Flow
Retract
OFF OFF
Full Flow
Retract
OFF ON
Full Flow
Forta M400A / M800A Base Proportional Configuration
Power up
Switch 2 Switch 7 Position
Retract Full Flow
OFF OFF
B to AB
Retract Full Flow
OFF ON
B to AB
Extend Full Flow
OFF ON
A to AB
Extend Full Flow
OFF OFF
A to AB
Retract Full Flow
OFF OFF
B to AB
Retract Full Flow
OFF ON
B to AB
Extend Full Flow
OFF ON
B to A
Extend Full Flow
OFF OFF
B to A
7 (10)
Desired Valve Operations
Low end
Input of signal
input Feedback signal
range action
Retract 2 vdc No Flow
DA
No Flow 10 vdc Full Flow
Extend 10 vdc Full Flow
RA
Full Flow 2 vdc No Flow
Retract 10 vdc No Flow
DA
No Flow 2 vdc Full Flow
Extend 2 vdc Full Flow
RA
Full Flow 10 vdc No Flow
Retract 10 vdc Full Flow
RA
Full Flow 2 vdc No Flow
Extend 2 vdc No Flow
DA
No Flow 10 vdc Full Flow
Retract 2 vdc Full Flow
RA
Full Flow 10 vdc No Flow
Extend 10 vdc No Flow
DA
No Flow 2 vdc Full Flow
Desired Valve Operations
Low end of signal Feedback signal
input range action @ port B
Retract Full Flow 2 vdc Full flow
B to AB 10 vdc No flow
Extend No Flow 10 vdc No flow
B to AB 2 vdc Full flow
Retract Full Flow 10 vdc Full flow
B to AB 2 vdc No flow
Extend No Flow 2 vdc No flow
B to AB 10 vdc Full flow
Retract Full Flow 2 vdc Full flow
B to AB 10 vdc No flow
Extend No Flow 10 vdc No flow
B to AB 2 vdc Full flow
Retract Full Flow 10 vdc Full flow
B to AB 2 vdc No flow
Extend No Flow 2 vdc No flow
B to AB 10 vdc Full flow
F-27506-1 DIM119E