Siemens SQM40 Series Owner's manual

SQM40/41…

Technical Instructions

Document No. 7817US

October 6, 2010

Actuators for air and gas dampers

Description

SQM40/41… actuators are used for the positioning of flow control valves, butterfly

valves, dampers or any application requiring rotary motion. The SQM40/41… actuators

accommodate control input signals of 4 to 20 mA, 0 to 135 Ω, 2 to10 Vdc, position

proportional and floating control. SQM4… actuators are available with up to six internal,

easily adjustable switches.

The actuators are used primarily for precise flow control of gas, oil or combustion air.

The NEMA 4 SQM40/41… actuator may be mounted in any position. A selection of

mounting brackets and shaft options provides installation flexibility and allows for the

simple replacement of most competitive actuators.

Features

45 or 90 in-lb

Clockwise and counterclockwise versions

Running times of 12 or 25 seconds

Various drive shaft options

Drive shaft disengagement clutch

C-UL-US, CE approved

NEMA 4 weatherproof enclosure

Internal position indication

Mounting brackets available to replace competitive actuators

Modulating version accepts 4 to 20 mA, 0 to 135 Ωor 2 to10 Vdc

Zero and span adjustment

Application SQM40/41… actuators are suited for both industrial and commercial applications. On

burner applications requiring high turndown and reliable ignition, the auxiliary switches

can be applied to create separate positions for burner ignition and low fire.

The shaft disengagement clutch allows for quick manual alignment of the actuator

shaft with a connected valve or linkage.

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Product Numbers SQM40…Counterclockwise Table 1

Product no. Torque

(lb-in)

Time

(90°@

60 Hz;

sec)

Control Board Shaft Approvals Operating

voltage

1000Ωposition

feedback

Modulating

3-position

2-position

Switches

Relay

C-UL-US

AC120V

AC230V

SQM40.144R11SC 45 12.5 x 3 3/8" square x x x

SQM40.145R11SC 45 12.5 x 3 10mm D x x x

SQM40.164R11SC 45 12.5 x 6 3/8" square x x x x

SQM40.165R11SC 45 12.5 x 6 10mm D x x x x

SQM40.174R10SC 45 12.5 x 5 1 3/8" square x x x

SQM40.241A11SC 90 25 x

3 10mm key x x

SQM40.241A21SC 90 25 x 3 10mm key x x

SQM40.241R11SC 90 25 x 3 10mm key x x x

SQM40.244A21SC 90 25 x 3 3/8" square x  x

SQM40.244R11SC 90 25 x 3 3/8" square x x x

SQM40.245R11SC 90 25 x 3 10mm D x x x

SQM40.261A11SC 90 25 x 6 10mm key x x x

SQM40.261A21SC 90 25 x 6 10mm key x x x

SQM40.261R11SC 90 25 x 6 10mm key x x x x

SQM40.264A21SC 90 25 x 6 3/8" square x x x

SQM40.264R11SC 90 25 x 6 3/8" square x x x x

SQM40.265R11SC 90 25 x 6 10mm D x x x x

SQM40.271R10SC 90 25 x 5 1 10mm key x x x

SQM40.274R10SC 90 25 x 5 1 3/8" square x x x

1. For 50 Hz, multiply running time by 1.2

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Product Numbers SQM41…Clockwise Table 2

Product no. Torque

(lb-in)

Time

(90°@

60 Hz;

sec)

Control Board Shaft Approvals Operating

voltage

1000Ωposition

feedback

Modulating

3-position

2-position

Switches

Relay

C-UL-US

AC120V

AC230V

SQM41.144R11SC 45 12.5 x 3 3/8" square x x x

SQM41.145R11SC 45 12.5 x 3 10mm D x x x

SQM41.164R11SC 45 12.5 x 6 3/8" square x x x x

SQM41.165R11SC 45 12.5 x 6 10mm D x x x x

SQM41.174R10SC 45 12.5 x 5 1 3/8" square x x x

SQM41.241A11SC 90 25 x 3 10mm key x x

SQM41.241A21SC 90 25 x 3 10mm key x x

SQM41.241R11SC 90 25 x 3 10mm key x x x

SQM41.244A21SC 90 25 x 3 3/8" square x x

SQM41.244R11SC 90 25 x 3 3/8" square x x x

SQM41.245R11SC 90 25 x 3 10mm D x x x

SQM41.261A11SC 90 25 x 6 10mm key x x x

SQM41.261A21SC 90 25 x 6 10mm key x x x

SQM41.261R11SC 90 25 x 6 10mm key x x x x

SQM41.264A21SC 90 25 x 6 3/8" square x x x

SQM41.264R11SC 90 25 x 6 3/8" square x x x x

SQM41.265R11SC 90 25 x 6 10mm D x x x x

SQM41.271R10SC 90 25 x 5 1 10mm key x x x

SQM41.274R10SC 90 25 x 5 1 3/8" square x x x

1. For 50 Hz, multiply running time by 1.2

Accessories Table 3

Each SQM40/41…actuator comes equipped with the appropriate power supply connection plate and terminal

connection kit. Replacement or spare components available as accessories.

Power supply connection plate

AGA45.11 Replacement conduit cover with 1/2" NPT threaded holes

AGA45.12 Replacement conduit cover with M16 unthreaded holes

Terminal connector kits

AGA45.4 Terminal plug kit for modulating (analog) version

AGA45.6 Terminal plug kit for line voltage version

Mounting brackets

AGA57.5 for replacement of Honeywell Modutrol actuators

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Product Number Identification Legend

For actuator identification only. To select product numbers for ordering, see Tables 1 & 2

SQM4 0. 2 6 1 A 1 0 SC

Basic Type

0 counterclockwise

1 clockwise

Torque (Time)

1 45 in-lb (12 sec)

2 90 in-lb (25 sec)

PCB type/ Switches

4 3 switches, modulating version

6 6 switches, position proportional control

7 5 switches, position proportional control + relay

Shaft

1 10 mm woodruff

4 HW square type

5 10 mm D type

7 14 mm parallel key

Regional Versions

A European version, CE

R US version, C-UL-US & CE

Voltage

1 120 Vac @ 50-60 Hz

2 230 Vac @ 50-60 Hz

Potentiometer

0None

1 Single, 1000 Ohms 90°

2 Double, 2*1000 Ohms 90°

NOTE: Not all possible combinations are available

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Technical Data

Agency approvals C-UL-US, CE

Operating voltage 120 Vac -15% / +10%

230 Vac -15% / +10%

Operating frequency 50 to 60 Hz

Power consumption 10 VA

Type of motor Reversing synchronous motor

Duty cycle 100%

Torque See tables 1 and 2

Timings See tables 1 and 2

Rotational range of operation Maximum 90°

Direction of rotation

SQM40… Counterclockwise

SQM41… Clockwise

Shaft See tables 1 and 2

Shaft disengagement Lever actuated clutch

Number of auxiliary switches

SQM4x.x4xxx 1

SQM4x.x6xxx 4

SQM4x.x7xxx 3

Number of limit switches 2

Electrical rating of auxiliary switches 1 A, 250 Vac

Mounting position No restrictions

Ambient operating temperature -22°F to 140°F (-30°C to 60°C)

Shipping/storage temperature -22°F to 140°F (-30°C to 60°C)

NEMA ratings 1, 2, 3, 3R, 4, 5, 12 and 13

Connections

Wiring Terminalstrips

Conduit ½”NPT(Rversion)

M16cordgrips(Aversion)

Dimensions See pages 11-13

Weight 4.4lbs(2kg)

Housing Aluminumdiecast

Gears and Bearings Maintenance free

Mounting Face mounting with three self-

tapping M5 screws around shaft.

Or via four M5 clearance holes at

cornersofhousing.

Adaptation of Honeywell Mod IV actuators Screw pattern and shaft height

adaptation with AGA57.5

General unit data

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Control range 0 to 90°

Input control signals

SQM4x.x4xxx 2 to 10 Vdc, 4 to 20 mA, 0 to 135 Ω, or

120Vac or 230Vac

SQM4x.x6xxx 120Vac or 230Vac

SQM4x.x7xxx 120Vac or 230Vac

Zero adjustment (see pg 9) MIN: 0 to 20° or 0 to 30°

Span adjustment (see pg 9) MAX: 60° to 90°

Permissible wire sizes

For mains (120/230Vac)

Class1

MIN:AWG16

MAX:AWG14

Ratedfor220°F

For control signal (2 to 10 Vdc, 4 to 20 mA or 0 to 135 Ω)

Class2

MIN:AWG22

MAX:AWG18

Ratedfor220°F

Warning notes

Only qualified personnel may open, interfere with or modify the actuators!

Read the actuator documentation carefully and completely. If not observed,

dangerous situations might occur.

Only qualified and authorized personnel may mount, set-up and maintain the

actuators

Risk of electric shock hazard – to disconnect from power, it may be necessary to

open more than one switch. Before performing maintenance work, the actuator

must be disconnected from power.

The electrical connection between the conduit fittings is not made automatically; it

must be established on installation site.

The connecting terminals must have adequate touch protection. Make certain that

non-insulated connections or wires cannot be touched.

Each time work is done (mounting, installation, service work, etc.), check to ensure

that the wiring is in an orderly state.

Fall or shock can adversely affect the safety functions. Such actuators must not

be put into operation even if they do not exhibit any damage.

Static charges must be avoided since they can damage the actuator’s electronic

components when touched.

Use of copper wiring is mandatory.

Electrical specifications

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Installation and

Operation

Instructions

SQM40/41…actuators rotation direction is not field reversible. Ensure that the

correct version is specified per application requirements. For example, a

clockwise-to-open butterfly valve requires a counterclockwise actuator (SQM40).

The SQM40 has a counterclockwise rotation when looking at the shaft.

The SQM41 has a clockwise rotation when looking at the shaft.

SQM40/41…actuators can be mounted in any orientation using the four M5

clearance holes at the corners of the actuator base. They can also be face

mounted using M5 self-tapping screws in the three holes around the shaft.

There are no restrictions regarding mounting orientation.

An optional base mounting bracket is also available (Part # AGA 57.5)

The actuator shaft can be disengaged by pressing the white shaft release button

down and forward. The button is located in the aluminum base to the right of the

terminal strips. Once the shaft is rotated to the desired position, simply push the

white button down and backwards so it releases, the shaft will now be reengaged.

Actuator Mounting

Shaft Adjustment

Rotation Direction

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Switches are set via adjusting screws on each cam. Three scales indicate the

angle of switching point (as shown below).

All SQM40/41… actuators have six switch cams but not all models have six

switches. Refer to tables below for details.

SQM4x.x4xxxSC - Modulating

Cam color Switch number Description Factory setting

Red I High 90°

Black V Low 10°

Green VI Ignition 0°

SQM4x.x6xxxSC - 3 position

Cam color Switch number Description Factory setting

Red I High 90°

Blue II Low 0°

Orange III Ignition 10°

Yellow IV Auxiliary switch 30°

Black V Auxiliary switch 30°

Green VI Auxiliary switch 30°

SQM4x.x7xxxSC - 2 position

Cam color Switch number Description Factory setting

Red I High 90°

Blue II Low 0°

Orange III Ignition 10°

Yellow IV Auxiliary switch 30°

Green VI Auxiliary switch 30°

Switch Adjustment

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Wiring

SQM4x.xxxRxxSC (US version) includes a conduit plate with two ½” NPT threaded

connections. (Replacement plate part number is AGA45.11.)

The use of flexible conduit is required, rigid conduit must not be used.

SQM4x.xxxAxxSC (EU version) includes a conduit connection plate with two M16

holes, not threaded. (Replacement plate part number is AGA45.12.)

Modulating version

Accepts 4 to 20 mA, 2 to 10 Vdc, or 0 to 135 Ωcontrol signal

Main voltage terminals I / O Design

Drive to high (switch I – red) Input AC 120 V / AC 230 V

Drive to low (switch V – black) Input AC 120 V / AC 230 V

Position reached Output AC 120 V / AC 230 V max. 10 mA

Drive to ignition (switch VI – green)

(if set higher than switch V) Input AC 120 V / AC 230 V

Release to modulating signal Input AC 120 V / AC 230 V

Neutral Input AC 120 V / AC 230 V

Low-voltage terminals I / O Design

2...10 Vdc input (+) Input Max. 10 VDC

Common (-) Input

4...20 mA input (+) Input Max. 20 mA

Low – (B) Input 0...135 

Wiper – (R) Input 0...135 

High – (W) Input 0...135 

SQM4x.x4xxxxSC

Grounding CAUTION:

The SQM40/41…actuators must be grounded to balance ground

potential and protect housing from carrying line voltage

The ground terminal is located next to the shaft disengagement

button.

The conduit connecting plate is plastic and does not provide grounding

of the conduit or fittings. They must be independently grounded with

adequate washers and wire links at installation.

Electrical Connection

Technical Instructions SQM40/41…Actuators

Document No. 7817US

October 6, 2010

Adjust the range of the analog signal to match the switch positions (min. and max.

position):

1. Set cam I (red) to the required high-fire position (e.g. 85°; position is indicated on the

scale next to the cam).

2. Set cam V (black) to the required low-fire position (e.g. 20°).

3. Manually adjust the signal at the analog input according to the required high-fire

position (e.g. 20 mA).

4. Turn the “max” potentiometer for maximum angular rotation

a) clockwise, if the actuator has not yet reached its maximum angular

rotation, or

b) counterclockwise until the actuator starts

5. Manually adjust the signal at the analog input according to the low-fire position

(e.g. 4 mA).

6. Turn the “min” potentiometer for minimum angular rotation

a) counterclockwise, if the actuator has not yet reached its minimum angular

rotation, or

b) clockwise until the actuator starts

Modulation always takes place between high-fire and low-fire (cam I and cam V).

Also, it is possible to define a closed position or a separate ignition position by setting cam

VI (green). Independent of cam V (e.g. for defining a position higher than the low-fire

position.)

Max. potentiometer (high-fire)

7817z08e/1109

Max.

Min.

90°

0°

Min. potentiometer (low-fire)

Setpoint (I/mA)

min.

0°

max.

90°

(V) (I)

10 20 30 40 50 60 70 80 90

Operating angle (°)

7817d04e/1109

Range Adjustment

(SQM4x.x4xxxxSC only)

Usable range of

the potentiometers

The upper limit (span) can be

adjusted between 60° and 90°.

The lower limit (zero) can be

adjusted between 0° and 20°

or 0° and 30° respectively,

depending on the upper limit

setpoint.

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