t.a.c. Forta M400A Instructions Manual Download Page 7

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DIM119E

F-27506-1

VB-72XX Two Way Globe Valve, Forta Proportional Control Setup Reference

VB-73XX Three Way Globe Valve, Proportional Control Setup Reference

Valve Type

Valve position 

at low signal 

input

Switch 1 Switch 2

Switch 7

Power up 

Position

Input

Signal

Action

Low end 

of signal 

input

range

Feedback signal 

action

DA

Table 1

VB-72xx 2 way valves

Forta M400A / M800A Base Proportional Configuration

Program Switch Position

Desired Valve Operations

VB-722x stem 

up closed

OFF

OFF

OFF

Retract

No Flow

Extend

Full Flow

10 vdc  Full Flow

2 vdc No Flow

Retract

No Flow

Retract

No Flow

2 vdc No Flow

10 vdc Full Flow

DA

RA

VB-722x stem 

down open

OFF

OFF

ON

VB-722x stem 

up closed

ON

OFF

ON

Extend

Full Flow

Extend

Full Flow

2 vdc Full Flow

10 vdc No Flow

Extend

Full Flow

Retract

No Flow

10 vdc No Flow

2 vdc Full Flow 

DA

RA

VB-722x stem 

down open

ON

OFF

OFF

VB-721x stem 

up open

ON

OFF

ON

Extend

No Flow

Extend

No Flow

2 vdc No Flow

10 vdc Full Flow

Extend

No Flow

Retract

Full Flow

10 vdc  Full Flow

2 vdc No Flow

RA

DA

VB-721x stem 

down closed

ON

OFF

OFF

Retract

Full Flow

Retract

Full Flow

2 vdc Full Flow

10 vdc No Flow

VB-721x stem 

up open

OFF

OFF

OFF

RA

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-721x stem 

down closed

OFF

OFF

ON

Retract

Full Flow

Extend

No Flow

10 vdc No Flow

2 vdc Full Flow 

Valve Type

Valve position at 

low signal input

Switch 1

Switch 2 Switch 7

Power up 

Position

Low end of signal 

input range

Feedback signal 

action @ port B

Table 2

VB-73x3  3 way  valves

Forta M400A / M800A Base Proportional Configuration

Program Switch Position

Desired Valve Operations

VB-731x stem up 

open B to AB

OFF

OFF

OFF

Retract   Full Flow

B to AB 

Extend  No Flow

B to AB

10 vdc No flow

2 vdc Full flow

Retract   Full Flow

B to AB 

Retract   Full Flow

B to AB 

2 vdc Full flow

10 vdc No flow

VB-731x stem down 

closed B to AB

OFF

OFF

ON

VB-731x stem up 

open B to AB

ON

OFF

ON

Extend   Full Flow

A to AB 

Extend  No Flow

B to AB

2 vdc No flow

10 vdc Full flow

Extend   Full Flow

A to AB 

Retract Full Flow

B to AB 

10 vdc Full flow

2 vdc No flow

VB-731x stem down 

closed B to AB

ON

OFF

OFF

VB-732x stem up 

flow B to AB

OFF

OFF

OFF

Retract   Full Flow

B to AB 

Extend  No Flow

B to AB

10 vdc No flow

2 vdc Full flow

Retract   Full Flow

B to AB 

Retract Full Flow

B to AB 

2 vdc Full flow

10 vdc No flow

VB-732x stem down 

flow B to A

OFF

OFF

ON

Extend   Full Flow 

B to A

Retract Full Flow

B to AB 

10 vdc Full flow

2 vdc No flow

VB-732x stem up 

flow B to AB

ON

OFF

ON

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.

VB-732x stem down 

flow B to A

ON

OFF

OFF

Extend   Full Flow 

B to A

Extend  No Flow

B to AB

2 vdc No flow

10 vdc Full flow

Summary of Contents for Forta M400A

Page 1: ...throughout stroke Easy One Touch input signal stroke calibration APPLICABLE LITERATURE Forta VB 7xxx Selection Guide F 27490 Forta VB 8xxx VB 9xxx Selection Guide F 27491 AV 811 Linkage VB 7xxx F 27442 AV 812 Linkage VB 8xxx VB 9xxx F 27443 AV 800 Series Linkage Adapters for Competitors Valves F 27470 Stroke 3 8 to 2 9 52mm Stroke Timing Floating 60 or 300 sec selectable Proportional 15 sec 1 2 st...

Page 2: ...h manual override lowered MAN For normal operating the handle must be raised AUTO Position feedback M400A M800A actuators are equipped with a 2 10 vdc position feedback FUNCTION DIMENSIONS The actuator may be mounted horizontally vertically and in any position in between but not upside down see figure 3 Forta M400A M800A actuators mount directly on two and three way VB 7xxx globe valves using the ...

Page 3: ...led with 3 conductors with very long lengths floating control where control signal reference is connected to G the motor current of the actuator will cause varying voltage loss in the cable and thus in the reference level Forta which has a highly sensitive control signal input will detect the varying signal and follow it which makes it difficult for the actuator to find a stable position Cable Len...

Page 4: ...DIM119E 4 10 F 27506 1 WIRING EXAMPLES Figure 6 ...

Page 5: ...5 10 DIM119E F 27506 1 Figure 7 ...

Page 6: ...If SW5 is ON the 5 10 6 10v is selected Note switch 5 is only active if switch 2 is OFF and switch 3 is ON 6 If switch 2 is ON SW6 controls run time SW 6 OFF equals 60 sec ON equals 300 sec run time 7 Direction of movement NORM INV Changes the proportional or floating input signal to direct or reverse action similar to switch 1 8 Linearization SW 8 OFF normal SW8 ON Linear electronic control The m...

Page 7: ...put RA Full open full flow 2vdc output Full closed no flow 10vdc output VB 721x stem down closed OFF OFF ON Retract Full Flow Extend No Flow 10 vdc No Flow 2 vdc Full Flow Valve Type Valve position at low signal input Switch 1 Switch 2 Switch 7 Power up Position Low end of signal input range Feedback signal action port B Table 2 VB 73x3 3 way valves Forta M400A M800A Base Proportional Configuratio...

Page 8: ...tem down closed OFF ON ON Retract Full Flow Extend No Flow Switch 1 CLOSE OPEN Switch 2 CLOSE OPEN of Valve Travel 0 10 20 30 40 50 60 70 80 90 100 Table 3 Auxiliary Switches 2 SPDT Closed Open Closed Open Closed Open Closed Open KC1 K1 X X X X KC1 K2 X X X X KC2 K3 X X X X KC2 K4 X X X X Proportional Control Action Low Signal Input High Signal Input Optional Auxiliary Switch Function S2 Example A...

Page 9: ...e the base programming configuration has been set up you may wish to add additional programming features and functions that are listed below Switch 1 CLOSE OPEN Switch 2 CLOSE OPEN of Valve Travel 0 10 20 30 40 50 60 70 80 90 100 Table 6 Auxiliary Switches 2 SPDT Closed Open Closed Open Closed Open Closed Open KC1 K1 X X X X KC1 K2 X X X X KC2 K3 X X X X KC2 K4 X X X X Floating Control contact mad...

Page 10: ... class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in residential installations This equipment generates uses and can rediate radio frequency energy and may cause harmful interference if not installed and used in acordance with the instructions Even when instructions are followed there is no guarantee...

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