Page 1
Product Data Sheet
LIQ-PDS-1056
Rosemount 1056 Dual Channel Transmitter
May 2017
Multi-parameter Transmitter for Liquid Analysis
The Rosemount 1056 Dual Channel Transmitter displays up to two independent liquid analytical measurements. HART and Profibus
DP digital communication options allow for connection to HART hosts and Profibus networks. Start-up and installation of the 1056 is
easy by using Quick Start Programming.
Page 2
Rosemount 1056 Dual Channel Transmitter
Overview
May 2017
Independent Dual Input Measurements
Expandable to two channels of liquid analytical
measurements: pH/ORP, Conductivity, Free Chlorine, Total
Chlorine, Dissolved Oxygen, Ozone, and Turbidity.
Modular boards with auto-recognition of sensor board.
Large, easy to read, user customizable display of dual
measurements in addition to diagnostic and temperature
readings.
Reduced Installation and Maintenance Time
Shorter installation times using Quick Start programming at
initial install or after factory reset.
Effortlessly connect with PLCs and DCS' by choosing the HART
or Profibus DP communication options.
Display measurements, configure alarms, and conduct
maintenance with a simple to use local operator interface.
Efficiently manage your devices using intuitive device
dashboards on AMS/475 Communicators.
Accurate, Linear and Reliable Measurements of
Analytical Sensors
Faster calibration of pH sensors using auto pH Buffer solution
detection.
Linear conductivity measurements with on-board
concentration curves for common acids and bases.
Built-in features to easily display accurate amperometric and
turbidity measurements.
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1056 Dual Channel Transmitter . . . . . . . . . . . . . . . . . . . . 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Product Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
www.Emerson.com/RosemountLiquidAnalysis
Page 3
May 2017
Rosemount 1056 Dual Channel Transmitter
1056 Dual Channel Transmitter
Rosemount 1056 Dual Channel Transmitter is a line powered device that can accept inputs
from pH/ORP, ISE, flow, conductivity (contacting and toroidal), turbidity, and
amperometric (dissolved oxygen, chlorine, and ozone) sensors.
Faster installation using Quick Start programming, auto-recognition of sensor boards
and modular design.
At a glance view of pertinent information provided by the large customizable display.
Visibility of process parameters by utilizing HART or Profibus DP digital communications.
Additional Information
Specifications: see “Specifications” on page 5
Certifications: see “Product Certifications” on page 6
Dimensional drawings: see “Dimensional Drawings” on page 7
Table 1. Rosemount 1056 Dual Channel Transmitter Ordering Information
Model Transmitter type
1056 Dual channel transmitter
Power
01 115/230 Vac, 50/60 Hz no relays
02 24 Vdc with four alarm relays
03 85-265 Vac switching, 50/60 Hz with four alarm relays
(1)
Measurement 1
20 Contacting conductivity
21 Toroidal conductivity
22 pH/ORP/ISE
23 Flow/current input
24 Chlorine
25 Dissolved oxygen
26 Ozone
27 Turbidity
Measurement 2
30 Contacting conductivity
31 Toroidal conductivity
32 pH/ORP/ISE
33 Flow/current input
34 Chlorine
35 Dissolved oxygen
www.Emerson.com/RosemountLiquidAnalysis
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Rosemount 1056 Dual Channel Transmitter
Table 1. Rosemount 1056 Dual Channel Transmitter Ordering Information(continued)
36 Ozone
37 Turbidity
38 None
Communication
AN 4-20 mA analog
DP Profibus DP digital communication
HT HART® digital communication
UL Approval
- CSA/FM approval
UL UL approval
1. Not compatible with Turbidity Measurements.
Table 2. Rosemount 1056 Dual Channel Transmitter Accessories List
Part Number Description
May 2017
23554-00 Cable gland kit (Qty 5)
23820-00 2 in. pipe mounting kit (Includes U-bolts, mounting bracket, nuts, washers, and screws)
23820-01 2 in. stainless steel pipe mounting kit (Includes U-bolts, mounting bracket, nuts, washers and screws)
9240048-00 Stainless steel tag (customer specified marking)
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www.Emerson.com/RosemountLiquidAnalysis
Page 5
May 2017
Specifications
Rosemount 1056 Dual Channel Transmitter
General Analyzer
Enclosure
Material: Polycarbonate.
Rating: Type 4X and IP65.
Dimensions: 6.10 in. L x 6.10 in. W x 5.45 in. H
(155 mm x 155 mm x 131 mm)
Conduit openings: 1/2 in. or PG 13.5 conduit fittings.
Display
Features: User customizable, monochromatic graphic liquid
crystal, back lit display.
Display Resolution: 128 x 96 pixel display resolution.
Dimensions: 3.8 in. (Diagonal)
Ambient Conditions
Temperature: 32 to 131 °F (0 to 55 °C)
Temperature for Turbidity: 32 to 122 °F (0 to 50 °C)
Relative Humidity: 5 to 95% (non-condensing)
*Relays only available with option 02 power supply (20 - 30 Vdc)
or 03 switching power supply (84 - 265 Vac)
Alarm Relays
Four configurable alarm relays for process measurement as
alarms or faults with interval timer settings.
Terminal Wire Sizes
Power: 24-12 AWG
Analog outputs: 26-16 AWG
Relays: 24-12 AWG
Weight/Shipping Weight
(rounded to nearest 1 lb. or 0.5 kg)
3 lb./4 lb. (1.5 kg/2.0 kg)
Storage Temperature: -4 to 140 °F (-20 to 60 °C)
Power
01: 115 Vac ±15% 60 Hz ±6%, 10 W;
230 Vac ±15% 50 Hz ±6%, 10 W.
02: 20 to 30 Vdc. 15 W.
03: 84 to 265 Vac, 47 to 63.0 Hz. 15 W.
Power option codes 02 and 03 include four programmable
relays.
Equipment protected by double insulation.
Relays
Form C, SPDT, epoxy sealed
Maximum Relay Current
Resistive
28 Vdc 5.0 A
115 Vac 5.0 A
230 Vac 5.0 A
Inductive Load: 1/8 HP motor (maximum) at 115/230 Vac
www.Emerson.com/RosemountLiquidAnalysis
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Rosemount 1056 Dual Channel Transmitter
U
L
US
C
LISTED
May 2017
Product Certifications
Hazardous Location Approvals (Not available for DP)
Class I, Division 2, Group A, B, C, and D
Class II, Division 2, Groups E, F, and G
Class III T4A Tamb = 50 °C
Evaluated to the ANSI/UL Standards. The 'C' and 'US' indicators adjacent to the CSA Mark signify that the product has been evaluated
to the applicable CSA and ANSI/UL Standards, for use in Canada and the U.S. respectively.
Class I, Division 2, Group A, B, C, and D
Class II and III, Division 2, Groups E, F, and G
T4A Tamb = 50 °C, Enclosure Type 4X
Ordinary Locations: (only with UL ordering option)
Pollution Degree 2
Normally only non-conductive pollution occurs. Temporary conductivity caused by condensation possible.
Altitude: 6562 ft. (2000 meter) maximum
Radio Frequency Immunity/Electromagnetic Interference (RFI/EMI)
EN-61326
Low Voltage Directive (LVD)
EN-61010-1
European Directive Information
A copy of the EC Declaration of Conformity can be found at the end of the Quick Start Guide and the User's Manual. The most recent
revision of the EC Declaration of Conformity can be found at www.Emerson.com/RosemountLiquidAnalysis.
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www.Emerson.com/RosemountLiquidAnalysis
Page 7
May 2017
152.73
6.0
126.36
5.0
76.2
3.0
41.4
1.6
Conduit Openings
6X Ø
21.83
.9
Bottom View
138.43 ± .5
5.45 ± .02
138.43 ± .5
5.45 ± .02
Maximum Radius
4X R
1.5
.1
Panel Cut-out
232
9.1
33.5
1.3
130
5.1
165
6.5
Side View
2 inch Pipe
Supplied by
Customer
Dimensional Drawings
Figure 1. Panel Mount Dimensions
154.9
6.1
154.9
6.1
Rosemount 1056 Dual Channel Transmitter
126.4
27.13
5.0
1.1
Panel Mount
Gasket
Figure 2. Wall Mount Dimensions
154.9
187
6.1
7.4
154.9
6.1
Front V iew
102
4.0
Panels Supplied
By Others
Maximum Thickness
.375 in (9.52 mm)
130
5.1
Side View
232
9.1
33.5
1.3
4X Mounting Brackets
and Screws Provided
with Instrument
165
6.5
80.01
3.2
45.21
www.Emerson.com/RosemountLiquidAnalysis
108.9
4.3
1.8
Front V iew
71.37
2.8
Bottom View
4X Cover Screw
Front panel
Panel & Pipe
Mount Enclosure
21.83
6X Ø
.9
Conduit Openings
2 inch Pipe
Mount
Bracket
2X Set U-Bolts
For 2inch Pipe
in Kit PN 23820-00
Side View
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Page 8
Rosemount 1056 Dual Channel Transmitter
LIQ-PDS-1056
Product Data Sheet
May 2017
www.Emerson.com/RosemountLiquidAnalysis
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Emerson Automation Solutions
8200 Market Boulevard
Chanhassen, MN 55317,
USA
Tel +1 800 999 9307
Fax +1 952 949 7001
Liquid.CSC@Emerson.com
© 2017 Emerson Automation Solutions. All rights reserved.
The Emerson logo is a trademark and service mark of Emerson Electric Co.
Rosemount and the Rosemount logotype are registered trademarks of Rosemount Inc.
All other marks are the property of their respective owners.
The contents of this publication are presented for information purposes only, and while
effort has been made to ensure their accuracy, they are not to be construed as warranties
or guarantees, express or implied, regarding the products or services described herein or
their use or applicability. All sales are governed by our terms and conditions, which are
available on request. We reserve the right to modify or improve the designs or
specifications of our products at any time without notice.
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