Barksdale Dynalco SST7200 User manual
3211 Fruitland Ave
Los Angeles, CA 90058
SST7200
SST7400
Speed Switch / Transmitter
Installation and Operation Manual
Rev. G
P/N 145F-13129
PCO –00010927
(c) Copyright 2015, Barksdale, Inc.
All Rights Reserved
Published: Oct 20, 2015
DVNALCO
®
DIGI
TAL
DYNALCO
SPEED
SWITCH
RELAY
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RELAY
3
RELA
Y2 'J
RELAY
4
RPM.
POWER
~
Barksdale~
CONTROL
PRODUCTS
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Sart(sdale, lnc./Sarksdate GmbH
~
A Subsidiary
of
Crane
Co.
1
IMPORTANT - PLEASE READ BEFORE PROCEEDING!
The Dynalco SST7200 / SST7400 speed switches are designed for reliable and rugged
operation. These products have been designed and tested to meet the demands
required in many industrial and hazardous locations meeting critical CSA standards.
Performance of this product is directly related to the quality of the installation and
knowledge of the user in operating and maintaining the instrument. To ensure
continued operation to the design specifications, personnel should read this manual
thoroughly before proceeding with installation, operation and maintenance of this
instrument. If this product is used in a manner not specified by Dynalco, the protection
provided by it against hazards may be impaired.
Dynalco® is a Barksdale® brand.
WARNING
Failure to follow proper instructions may cause any one of the following
situations to occur: Loss of life; personal injury; property damage; damage to
this instrument; and warranty invalidation.
For clarification of instructions in this manual or assistance with your
application, contact Dynalco as below:
Or by mail:
Barksdale Inc.
Barksdale® and Dynalco® Products
3211 Fruitland Ave
Los Angeles, CA 90058
Additional manuals and CSA certificates are available at
Follow all warnings, cautions, and instructions marked on and supplied with the
product.
Use only qualified personnel to install, operate, program and maintain the
product.
Educate your personnel in the proper installation, operation, and maintenance of
the product.
Install equipment as specified in the installation section of this manual. Follow
appropriate local and national codes. Only connect the product to power
sources and end devices specified in this manual.
Any repair is only to be performed by Dynalco using factory documented
components. Tampering or unauthorized substitution of parts and procedures
can affect the performance and cause unsafe operation of your process.
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2
All equipment doors must be closed and protective covers must be in place
unless qualified personnel are performing maintenance.
Shutdown / alarms should be tested monthly for proper operation (see page 16)
Please see page 18 for CSA specific installation instructions.
This manual covers both models SST7200 and SST7400:
SST7200 Speed Switch / Transmitter w/ 4 –20 mA Output & 2 Relay Trips
SST7400 Speed Switch / Transmitter w/ 4 –20 mA Output & 4 Relay Trips
System Overview
The SST7200 / SST7400 speed switches are DIN rail mountable products designed to
convert rotational speed (RPM) to an industry standard 4 –20 mA analog output.
Both models will accept a pulsed input from either a 2 or 3-wire speed sensor.
Programming:
The host software allows programming of the SST7200 & SST7400 via a USB connection to
a PC.
Additional Features
•Repeater Output
•0 –1 mA local meter output
•0 –5 VDC / 0 –10 VDC selectable proportional output
•Isolated 4 –20 mA proportional output
How to order
Specify part number as follows:
2 setpoints
SST-7200 Standard
SST-7200-I Isolated RPM Input
4 setpoints
SST-7400 Standard
SST-7400-I Isolated RPM Input
3
Specifications
1) INPUT SUPPLY VOLTAGE: 10 - 36 VDC, maximum 10 W
2) FREQUENCY INPUT:
a. Input Signal Frequency Range: 0 –50 KHz
b. Waveforms: Accepts sinusoidal or square wave (positive or zero-
crossing)
c. Input Signal Sensitivity: 25 mV to 1.0 VRMS (selectable), Maximum allowed is
50 VRMS
d. Input Impedance: 10 K (minimum)
e. CSA Approved Dynalco Sensors: M201, M202, M231, M233, M203, M204, M205, M928
M928-24 & M951
3) DIGITAL INPUT (1): Dry contact closure for resetting latched relay
4) OUTPUTS:
a. Meter Output: 0 –1 mA meter output for loads up to 750 ohms
b. Proportional Output: Proportional to input frequency range, configurable as:
i. 4 –20 mA into maximum 1K load
And one of either:
ii. 0 –5 VDC into 20K load or higher or
iii. 0 –10VDC into 20K load or higher
Note that the 4 –20 mA output is isolated but the 0 –5
VDC & 0 –10 VDC outputs are referenced to input
supply ground. 0 –1mA output is referenced to
separate ground (Meter Output).
c. Supply Output: Regulated +12 VDC ±5%; 40 mA for active pickup
power.
d. Repeater Output: Square wave 12 V peak-to-peak, 10 mA max load,
Zero based, positive going.
e. Response Time: 50 milliseconds, 10% to 90% rise (standard)
Full-scale frequency ranges below 80 Hz are
proportionally slower.
10milliseconds, 10% to 96% rise (standard)
Full-scale frequency ranges below 300Hz are
proportionally slower. For 10mSec response time the
input frequency signal must be noise free.
f. Linearity: 0.1% of full-scale (0.05%, typical) all outputs
g. Stability: Less than 0.05% of full-scale change with a 10%
change in supply voltage. Temperature coefficient
±0.01% per °F (±0.018% per °C)
4
5) RELAY OUTPUTS:
a. Type: SPDT relay contacts (isolated dry contacts)
b. Contact Rating: 6.0 Amps @ 28 VDC or 115 VAC
1/8 HP @ 120 / 240 VAC (100,000 cycles)
1.5 / 0.8 Amps @ 120 / 240 VAC, Pilot Duty (100,000
cycles)
3.8 / 1.9 Amps @ 120 / 240 VAC general Use (100,000
cycles)
c. Hysteresis: Selectable (1% of full-scale frequency default)
d. Setpoints: Programmable for:
i. Overspeed / under speed trip
ii. Energize or de-energize when setpoint reached
iii. Latching or non-latching (auto reset)
iv. Underspeed setpoints are Class C Logic (active
once normal)
v. Latched relays are reset via digital input
e. Stability: Less than 0.05% of setpoint change with a 10%
change in supply voltage. Temperature coefficient
±0.01% per °F (±0.018% per °C)
6) ALARM INDICATION:
a. Open Pickup Alarm: LED indication if open pickup sensed
Option to trip relay
b. Trip Indication: LED indication if a relay tripped condition
7) MEMORY: All configuration parameters retained if power lost
8) CONNECTORS: Removable Phoenix type
9) MECHANICAL: DIN rail mount package
10) ENVIRONMENTAL:
a. Operating Temperature Range: -40 to +70 DegC
b. Storage temperature: -40 to +80 DegC
c. Vibration: Per modified Mils STD 810-E
11) AGENCY APPROVAL: CSA Class I, Div. 2, Groups A, B, C, D
CE for Electromagnetic Compatibility:
Meets all EMC requirements of IEC 61326-1: 2012 &
Refer conformity certificate for more details.
*Not applicable for “-I” configurations.
Meets all RoHS requirements.
12) PROGRAMMING
a. PC / Windows based: Windows XP, Vista & Windows 7 & 8 compatible
USB port for programming, uploading & downloading
5
Installation:
The SST7200 & SST7400 have an integral latch on the rear of the device for installation on a
standard 35 mm DIN rail.
This device is OPEN type equipment that must be used within a suitable end-use system
enclosure, the interior of which is accessible only through the use of a tool. The suitability of
the enclosure is subject to investigation by the local Authority Having Jurisdiction at the time
of installation.
Wiring to or from this device, which enters or leaves the system enclosure, must utilize wiring
methods suitable for Class I, Division 2 Hazardous Locations, as appropriate for the
installation.
6
Terminal Connections
All connections are made via the terminal blocks on the front of the unit.
Top Terminal Block Connections
PIN
Description
4-20
(-)
4-20 mA Proportional Output (-)
4-20
(+)
4-20 mA Proportional Output (+)
REL1
NC
Normally-Closed Relay Contact
REL1
CT
Relay Common
REL1
NO
Normally-Open Relay Contact
REL2
NC
Normally-Closed Relay Contact
REL2
CT
Relay Common
REL2
NO
Normally-Open Relay Contact
REL3
NC
Normally-Closed Relay Contact
REL3
CT
Relay Common
REL3
NO
Normally-Open Relay Contact
REL4
NC
Normally-Closed Relay Contact
REL4
CT
Relay Common
REL4
NO
Normally-Open Relay Contact
7
Bottom Terminal Block Connections
PIN
Description
VAC
L
120 VAC (Hot)
VAC
N
120 VAC (Neutral)
VIN
(+)
10 - 36 VDC Supply (+)
VIN
GND
Supply Ground (-)
0-5/10
(+)
0-5 or 0-10 VDC Proportional Output
(+)
0-5/10
GND
0-5 or 0-10 VDC Proportional Output (-
)
DIG
IN
Digital Input for resetting latched relay
0-1mA
(-)
0-1 mA local meter output (-)
0-1mA
(+)
0-1 mA local meter output (+)
RPM
REP
Repeater Output (+)
(pulsed square wave)
12V
GND
Ground for 3-wire pickups
12V
(+)
Power source for 3-wire pickups
RPM
(-)
Signal Input (-) from speed sensor
RPM
(+)
Signal Input (+) from speed sensor
Terminal screws to be tightened to 4 inch-pounds torque.
8
Outline Dimensions
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9
Dynalco SST7200 & SST7400 Software
The Dynalco host software provides serial communication between a PC or laptop and the
SST7200 & SST7400. The software is compatible with Windows XP, Vista and Windows 7
operating systems. The SST7200 & SST7400 must be connected via provided Dynalco P/N
270A-105574 serial communication cable.
The Dynalco host software is available as a free download from our website:
downloads
Following installation, a shortcut will be installed on your PC desktop. This application
software allows access to various screens for configuration of input signal sensitivity,
proportional output and relay logic / setpoints. Once the configuration parameters are set,
they can be programmed into the SST7200 & SST7400 and a spec file can be saved to the
PC. This saved spec file can then be loaded into another SST7200 & SST7400 if desired.
Additionally, there is an import function allowing uploading of the spec file from an SST7200
& SST7400 to the PC
Configuration consists of the steps described in the following pages:
This manual suits for next models
1
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