Brochure

R539 (2378-501)
106
© Copyright 2006 TAC. All Rights Reserved. F-27383-1
TAC PNEUMODULAR
£
2:1 Ratio Amplifying Relay
Model Chart
Specifications
The amplifying relay is a proportioning device
designed for use in pneumatic control systems
where the application requires the amplification of
a proportional signal from a controlling device. The
relay’s branch line pressure output increases as a
2:1 ratio to the input signal pressure (up to main air
pressure) and amplifies the volume of air available
to the final control device, thereby minimizing
system lag.
Features:
• 2:1 signal amplifying relay, with adjustable bias. Output
changes are equal to input changes multiplied by two.
• Ideal for applications such as:
- Operating two actuators, that have the same spring
range, in sequence (using two R539s and their bias
adjustments).
- Narrowing the throttling range of any pneumatic
controller (or portion of an operating sequence) by a
factor of two.
- Factory set for 10 psig branch pressure at 5 psig input
pressure at port S1.
• All ports clearly labeled. Ports align with MCS-S terminals.
• TAC PNEUMODULAR: Mounts on MCS-Socket or K502
Mounting Bracket.
Model No.
Wholesale
Model No.
Port Connections
Port Connected to
R539 2378-501
a
a
Includes plastic mounting strap and adhesive backed mounting plate.
M Main air
B Branch output
S
1
Input signal
Action Proportional output at 2:1 ratio.
Construction Glass-filled nylon.
Maximum ambient temperature 140qF (60qC).
Supply air pressure Clean, dry, oil free air required (Ref. EN-123).
Nominal 20 psig (138 kPa).
Maximum 30 psig (207 kPa).
Connections Barbed fittings for 1/4 in. O.D. polyethylene or 5/32 in. I.D. polyurethane tubing.
Air consumption 28.8 scim (7.9 mL/s).
Air flow capacity 230.4 scim (62.9 mL/s).
Adjustments
Bias can be manually adjusted from +5 to -13 psig by means of TOOL-082 (5/64 in. hexhead
wrench).
Mounting
Designed for use on MCS-S manifold socket. This device can also be mounted by using the optional
K502 mounting bracket.
Dimensions 2-1/16 H x 1-7/8 W x 2-33/64 D in. (52 x 48 x 64 mm).
R539
(2378-501
S2
MB
S1