MODEL: MEXL

MEXL SPECIFICATIONS

ES-4612 Rev.1 Page 1/4

http://www.m-system.co.jp/

Final Control Elements

VALVE POSITIONER

(for LonWorks; built-in SSR)

Functions & Features

• LonWorks compatible

• Used for 24 - 200 V AC electric actuator position control

• Position feedback via potentiometer (100 Ω - 10 kΩ

unadjusted)

• Direct motor driving with built-in SSR (with zero-cross

circuit)

• Restart control timer built-in to prevent motor overheating

due to frequent on/off switching

Typical Applications

• Retrofitting existing equipment for LonWorks compatibility

50

(1.97)

136

(5.35)

80

(3.15)

mm (inch)

MODEL: MEXL–11[1]–[2][3]

ORDERING INFORMATION

• Code number: MEXL-11[1]-[2][3]

Specify a code from below for each of [1] through [3].

(e.g. MEXL-111-G/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

FEEDBACK RESISTANCE

1: Potentiometer

CONTROL OUTPUT

1: SSRs incorporated

[1] BREAK

0: None

1: With

[2] POWER INPUT

AC Power

A: 24 V AC

B: 100 V AC

C: 110 V AC

G: 200 V AC

H: 220 V AC

[3] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

EXTERNAL INTERFACE FILE

MEXL external interface file MEXL.XIF downloadable at M-

System’s web site.

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Full-closed position adjustment range: 0 - 25 % (front)

Full-open position adjustment range: 75 - 100 % (front)

Deadband adjustment: 0.1 – 8.0 % (front adj.; refer to the

table below)

Isolation: LonWorks to feedback potentiometer to control

output to power to ground

RUN LED:

Blinking at 0.5 Hz in normal operating conditions

Blinking at 2 Hz when lock protection timer is operating

Blinking at 5 Hz for 3 seconds during Wink

Manual operation switch: Manual full-close or full-open

position command

Deadband adjustment

Deadband adj. SW

Deadband (%)

0

0.1

1

0.3

2

0.5

3

0.7

4

1.0

5

1.5

6

2.0

7

3.0

8

5.0

9

8.0