VICI UMH Manuale utente

Version 2 : 04-2023

MODULAR UNIVERSAL ACTUATOR

Instruction Manual

VICI Valco Instruments Co. Inc.

North America, South America & Australia/Oceania Europe, Asia & Africa

VICI AG International

tel: 41 41 925-6200

fax: 41 41 925-6201

email: info@vici.ch

sales: 800-367-8424

tech: 713-548-2700

email: [email protected]om

APPLICABLE MODELS

This manual is applicable to the following models:

• UMH

• UMD

• UMT

Version 2 : 04-2023

MODULAR UNIVERSAL ACTUATOR

Instruction Manual

TABLE OF CONTENTS

1. Introduction .......................................................................................................................................... 3

1.1. Description ..........................................................................................................................................3

1.2. Getting Started ...................................................................................................................................3

1.3. Multiposition Valve Switching Times...................................................................................................4

1.4. Two-Position Valve Switching Times ...................................................................................................4

1.5. Modular Universal Actuator Components...........................................................................................6

2. Control Port Functions ......................................................................................................................... 7

2.1. Two-Position Modes ............................................................................................................................7

2.2. Multiposition Modes ...........................................................................................................................9

3. Serial Port Conguration ...................................................................................................................... 9

3.1. Serial Communication Protocol ...........................................................................................................9

3.2 Switching Serial Modes...................................................................................................................... 10

3.3. Establishing Serial Communication................................................................................................... 11

3.4. Serial Command Table...................................................................................................................... 11

3.5. Using the Device ID Feature ............................................................................................................. 13

3.6. Setting or Changing the Device ID................................................................................................... 13

3.7. Setting the Operation Mode............................................................................................................. 13

3.8. Command Reference ........................................................................................................................ 15

4. Optional BCD Interface....................................................................................................................... 20

4.1. Hardware Input/Output Protocols.....................................................................................................20

4.2. Digital Input Signal Denitions .........................................................................................................21

4.3. Digital Input Protocols ......................................................................................................................22

4.4. Additional Digital Input & Output Signals ........................................................................................23

5. Appendix A: Setup .............................................................................................................................. 25

5.1. Setup Mode: Using the Manual Remote to Congure the Actuator.................................................25

6. Appendix A: Menu Tree ...................................................................................................................... 27

7. Appendix B: Mounting & Dimensions ................................................................................................. 28

8. Appendix C: Manual Remote Factory Mode ...................................................................................... 29

8.1. Setup Mode: Using the Manual Remote to Congure the Actuator..................................................29

9. Appendix D: Serial Response Strings.................................................................................................. 30

9.1. Modular Universal Command Response Reference Table, = LG1, IFM0 (factory default).................30

9.2. Modular Universal Command Response Reference Table, = LG0, IFM0 ..........................................31

9.3. Modular Universal Command Response Reference Table, = LG0, IFM1 ..........................................32

9.4. Modular Universal Command Response Reference Table, = LG0, IFM2 ..........................................33

9.5. Modular Universal Command Error Response Reference Table, Setup = IFM0. ..............................34

10. Revision History ................................................................................................................................ 36

Version 2 : 04-2023

MODULAR UNIVERSAL ACTUATOR

Instruction Manual

1. INTRODUCTION

1.1. Description

The VICI universal actuator models are designed to work with both two position and multiposition valves,

with any number of ports. This is accomplished through simple programming via the manual remote or the

serial port.

The actuator consists of a stepper motor/gearbox assembly, a separate electronics Control Module, a

universal AC input (100-240 VAC, 50-60 Hz) to 24 VDC 2.5 amp power supply, a manual remote, and cables.

See gure in Section 1.5.

Actuator control can be accomplished in four different ways: 1. by use of the Manual Remote controller

buttons; 2. through one of two selectable serial interface options, either RS-232 or half duplex (two wire)

RS-485; 3. by use of two digital (TTL) input pins on a six pin header; or 4. by use of an optional BCD

(TTL I/O) board.

1.2. Getting Started

If you ordered a valve and actuator together and will be operating the unit solely with the manual remote,

this section of the document contains the basic information you need to use the valve and actuator. If you will

be controlling the actuator via the standard interface or one of the optional interfaces, refer to the Table of

Contents to locate the appropriate chapter. OEM users might nd useful information in Appendix A: Setup

Mode: Using the Manual Remote to Congure the Actuator. See Sections 6 and 7.

1.2.1. Mounting

The actuator should be oriented so that any potential leakage of liquid from the valve or the ttings ows

away from rather than into the actuator. Appendix B: Mounting and Dimensions. See Section 8.

1.2.2. Power

24-28 VDC is supplied through a 2.5 x 5.5 x 9MM barrel connector with center pin positive. The positioning

current requirements can vary from 2.1 to 2.5 amps; standby current draw is typically 80 - 120 milliamps. The

actuator should not share a power supply with other noise-sensitive electronics, as the high current draw could

cause problems for other devices.

Power input polarity

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MODULAR UNIVERSAL ACTUATOR

Instruction Manual

1.2.3. Actuator Output Torque

Actuator torque and speed are functions of the specic actuator assembly, which are designated as Models

UMH, UMD and UMT, in order of increasing torque/ decreasing speed. All models have different gearboxes

which provide differing speed and torque values. See the table below.

1.3. Multiposition Valve Switching Times

The time it takes to step a valve from one position to another depends upon the actuator model, the number

of positions for which the actuator is set, and the total amount of rotation involved. Actual times can be

computed from the tables below.

1.4. Two-Position Valve Switching Times

The actual time required to switch the valve from Position A to Position B, as seen in the table below, depends

on two factors: the model number (reecting the actuator speed) and the degree of rotation between

positions. The move times accuracies are +/- 10ms and may vary with direction changes.

ACTUATOR MODEL MAX RECOMMENDED TORQUE LOAD

UMH 10 lb/in (1.1 Nm)

UMD 22 lb/in (2.5 Nm)

UMT 45 lb/in (5.0 Nm)

VALVE UMH

(high speed/low torque)

UMD

(midrange speed/torque)

UMT

(low speed/high torque)

Number

positions

Single position

move time

Move time

per each

additional

port

Single

position

move time

Move time

per each

additional

port

Single

position

move time

Move time

per each

additional

port

4 235 mSec 215 mSec 545 mSec 525 mSec 870 mSec 790 mSec

6 160 mSec 145 mSec 370 mSec 345 mSec 610 mSec 525 mSec

8 125 mSec 105 mSec 280 mSec 265 mSec 475 mSec 395 mSec

10 105 mSec 85 mSec 230 mSec 215 mSec 405 mSec 315 mSec

12 85 mSec 75 mSec 195 mSec 175 mSec 345 mSec 270 mSec

16 75 mSec 65 mSec 150 mSec 135 mSec 280 mSec 195 mSec

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Instruction Manual

1.4.1. Basic Operation with the Manual Remote

The manual remote provides simple valve positioning capabilities, but in the setup mode, it can also be used

to execute extensive actuator setup functions. For more information, refer to Setup Mode: Using the Manual

Remote to Congure the Actuator. See Sections 6 and 7.

1. Display

2. UP arrow button: In the two position mode, pressing the UP arrow button moves the actuator to Position

B. If it is already in Position B, nothing happens. In multiposition mode, pressing the UP arrow button

advances the actuator one position, i.e., from 1 to 2, 4 to 5, etc.

3. DOWN arrow button: In the two position mode, pressing the DOWN arrow button moves the actuator

to Position A. If it is already in Position A, nothing happens. In multiposition mode, pressing the DOWN

arrow button reverses the actuator one position, i.e., from 2 to 1, 5 to 4, etc.

4. HOME/SETUP button: In the two position mode, pressing the HOME button moves the actuator to

Position A. If it is already in Position A, nothing happens. In multiposition mode, pressing the HOME

button sends the actuator to Position 1. Pressing and holding the HOME/SETUP button for 5 seconds

sends the manual remote into the Setup mode. (See Sections 6 and 7).

• Do not attempt to enter the setup mode by holding down the two arrow buttons, as with

the Microelectric actuator.

• Pressing and holding the HOME button for 5 seconds sends the manual remote into the

setup mode. If this occurs unintentionally, press the UP arrow to escape and return to

normal operation. Changing settings in this mode can cause the unit to be inoperable.

2 4 3

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MODULAR UNIVERSAL ACTUATOR

Instruction Manual

1.5. Modular Universal Actuator Components

Version 2 : 04-2023

MODULAR UNIVERSAL ACTUATOR

Instruction Manual

2. CONTROL PORT FUNCTIONS

Basic actuator control functionality facilitates position switching in two position mode, and STEP and HOME

functions in the multiposition mode. This is done via direct input signals from switch closures, relay contacts,

or TTL-compatible interfaces. The control cable has six pins: however, only ve are used.

2.1. Two position modes

Pins 4 and 6 are digital inputs for switching valve positions. They remain high when not active but are

activated by a low input signal from a 3.3-5VDC TTL/CMOS logic output, by an activated open-collector

output, or by contact closure to ground (pin 2). These input signals must be applied for a minimum of 25

mSec to initiate a move. The switching functions are established by the SM settings “1” through “4” and are

dened under Digital Input Modes in Section 2.1.1.

Position feedback can be read from the A and B outputs. These are 5VDC tolerant, 3.3VDC outputs, sourcing

and sinking a maximum of 10 milliamperes each. An output will go high (3VDC) when the valve reaches the

respective position.

PIN # MULTIPOSITION FUNCTIONS

1 Motor Run output

2 Common

3 Home output

4 Home input

5 Unused

6 Step input

PIN # TWO-POSITION FUNCTIONS

1 A output

2 Common ground

3 B output

4 A input

5 Unused

6 B input

Version 2 : 04-2023

MODULAR UNIVERSAL ACTUATOR

Instruction Manual

2.1.1 Two position modes

Digital Input Modes:

Four input mode options are provided to expand the control exibility of the actuator. The factory

default setting is Mode 1. All four modes are described below. The mode is set via the serial port using

the SMn command and is retained even when the power is cycled to the controller. See the serial

commands section on Section 3.7. for details. NOTE: Changing the input mode does not affect the digital

output functions.

Mode 1 (dual signal control mode)

In mode 1 (default) the digital inputs use the two input signals for position control. Asserting input pin 4

causes the actuator to go to Position A, and asserting input pin 6 sends it to Position B.

Mode 2 (single signal toggle mode)

Operation in this mode uses a single signal for position control with two options. Asserting pin 4 causes

the actuator to toggle from the current to the opposite position. Asserting pin 6 causes the actuator to

toggle to the opposite position, delay for a user settable period of time (the default is 1000 mSec), then

toggle back to the original position. The delay time is set using the DTn serial port command. See the

serial commands Section 3.3. for details.

Mode 3 (state mode with enable)

This mode uses the pin 4 input as a state input, meaning that a low signal (asserted) on pin 4 causes the

actuator to move to Position A. A high signal (deasserted) on pin 4 causes the actuator to move to

Position B. Pin 6 is used as an enable/disable pin to prevent startup irregularities. The actuator is

normally disabled when pin 6 is in its high (deasserted) state; it must be pulled low (asserted) to enable

the actuator to move.

Mode 4 (state mode with disable)

This mode differs from Mode 3 only in the status of pin 6. As in Mode 3, a low signal (asserted) on pin 4

causes the actuator to move to Position A and a high signal (deasserted) on pin 4 causes the actuator to

move to Position B. However, in Mode 4 the actuator is normally enabled when pin 6 is in its high

(deasserted) state. It is disabled only when pin 6 is pulled low (asserted), which is the opposite of how

pin 6 works in Mode 3.

Mode Setup:

To set the actuator mode, connect it to a serial port as described in the section establishing

Serial Communications on page 9 and 10. To see the current setting, enter the SM command as shown in the

Serial Commands chart on page 19. To change the mode, enter SMn, where n is a number between 1 and

4. Mode settings are saved when the actuator is powered off.

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MODULAR UNIVERSAL ACTUATOR

Instruction Manual

2.2. Multiposition modes

2.2.1. Step Command

Applying a 25 mSec low signal to the “Step” input pin causes the actuator to move to the next position in the

currently-set direction of rotation.

2.2.2. Home Command

Applying a 25 mSec low signal to the “Home” input pin causes the actuator to go to the HOME position

(position 1), moving in the currently-set direction of rotation. Feedback is obtained from the Motor Run and

Home output pins. The Motor Run output (pin 1) goes low when the motor is running, and the Home output

(pin 3) output goes low when the valve is in the HOME position.

• For all modes: asserting or reasserting a digital input during a move can cause the move

to be aborted and the new position to become the target. Asserting a position multiple

times during a move can cause a positioning failure.

3. SERIAL PORT CONFIGURATION

Models UM(x)A and UM(x)C have been factory-preset for RS-232; Models UM(x)F are set for RS-485. An RS-

232 model can be changed to an RS-485 model, or vice versa, by setting the internal serial port conguration

jumpers as described below.

To access the COMM and TERM jumper boards:

1. Grip the lower section of the control module enclosure on the two opposing sides that have the curved

release tabs.

2. With the top cover facing upwards, carefully depress the tabs while lifting the top cover upwards with

the other hand. We recommend that the enclosure be opened in a static free environment, following all

proper ESD protection techniques. CAUTION: Once the control module cover has been removed, the

printed circuit board can fall out.

3.1. Serial Communication Protocol

Serial communication is based on an ASCII string protocol. A Carriage Return (OD hex) or a Line Feed (OA

hex) character parse the communications by dening the end of each command. Two serial connectors,

connected to one internal serial port are provided for multidrop applications. Software ow control (Xon/

Xoff) and hardware handshaking are not supported. Section 3 describes and explains all the commands

available. A more complete explanation follows in the Serial Command table in Section 3.7.

Version 2 : 04-2023

MODULAR UNIVERSAL ACTUATOR

Instruction Manual

* These pin numbers are used in the VICI cable I-22697 PIN 1 PIN 1

PIN # RS-232 RS-485 DB9*

1 Ground Ground 5

2 Transmit to host A (–) 2

3 Receive from host B (+) 3

3.2. Switching serial modes

As discussed in the “Using the Device ID Feature” in Section 3.4, all RS-485 communications require an ID. If

the actuator has had an ID set previously, that ID will be recalled and retained. Otherwise, the ID will be set

to the factory default value of “Z”.

When switching from RS-485 to RS-232, the ID used in the RS-485 mode will be retained, and if not required

must be cleared using a serial port ID command. To clear any ID, the wildcard ID can be used. Example:

“*ID*” where the rst “*” addresses all devices on the serial port, and where the second “*” clears all RS-232

devices addressed.

JUMPER SELECTOR

RS485

JUMPER SELECTOR

RS232

JUMPER SELECTOR

RS485 TERMINATION

OFF / ON

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