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Installation, Operation & Maintenance Manual
IP262/Z0, Rev. AB
February 2012
MSL600
MSL600
Ultrasonic continuous sludge blanket monitor
Model Covered:
MSL600/Z0 with MSL603 transducer
www.mobrey.com
Page 1
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 CONTENTS FOR QUICK START, SEE SECTION 5 ON PAGE 20 THIS MANUAL COVERS MSL600 FROM SOFTWARE VERSION 3.00 AND ABOVE Page (i) Safety precautions 1. Introduction ............................................................................................................. 6 1.1 About the MSL600 .........................................................................................................................
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 5.6 Relay parameters .............................................................................................................................................. 23 5.7 Alarm .................................................................................................................................................................. 23 5.8 Transducer out-of-water time ......................................
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 7.8.4 Low Mem Alarm - P593 ....................................................................................................................................... 36 7.9 Engineering parameters ................................................................................................................................... 37 7.9.1 Alg. Select – P620 ...............................................................
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 (i) Safety precautions BEFORE OPERATING THIS DEVICE THE MANUAL SHOULD BE READ FULLY The following safety precautions should be observed before using this product or working on the attached cables. This MSL600 product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury. Read the operating information carefully
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 1. Introduction Before operating this device the manual should be read carefully paying particular attention to the safety precautions laid out in section (i). This instruction manual provides comprehensive information specific to the Mobrey Measurement continuous suspended solids blanket level monitor, the MSL600. 1.1 About the MSL600 The basic MSL600 system contains an ultrasonic transducer and a bridge-m
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 Finally, sections 9 to 13 cover maintenance, troubleshooting, programming chart, technical specifications and dimension drawings relevant to using the MSL600 system. 1.3 Important MSL600 features The MSL600 system incorporates several unique design features which are intended to promote trouble free operation, give a degree of installation flexibility, and allow ease of installation. 1.3.1 Human Machine In
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 1.4 As a system Figure (1) shows the architecture of the complete MSL600 system and where each component is intended to be used. Install the MSL603 transducer and mounting bracket on the rotating bridge or fixed walkway over the clarifier tank. Install the MSL600 control unit on the mounting bracket. Figure (1): MSL600 system architecture Location Location Fixed or rotating bridge Control room PLC/SCADA
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 2. Application planning The following section discusses a few practical considerations when planning an installation. 2.1 Circular clarifiers Circular clarifiers are very common and can come with rotating or static bridges over them. 2.1.1 Rotating bridge If the transducer is mounted on a rotating bridge then it should be positioned on the leading edge of the bridge, see Figure (2). This places it ahead
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 2.1.2 Static bridge The transducer mounting arrangement is designed to lift out of the water if it is mounted on a fixed bridge when a moving scraper passes underneath (e.g. on a picket fence thickener). Ideally, the transducer should be mounted 1/3 to 2/3 of the way along from the outer (wall) edge of the settlement tank (i.e. 1/3 to 2/3 of the radius from the inside of the tank wall). If the transducer is
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 3. Installation The following section discusses installation considerations in more detail. 3.1 Preliminary checks Carefully unpack the MSL600 control unit, transducer, and mounting bracket arrangement from their packaging. Check that there is no visible damage to any of the packed parts, paying particular attention to the transducer and transducer cables, and the membrane keypad and display area on the MS
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 With the bracket on the ground adjust the pivot tube up or down the main support tube until the distance between the angle bracket and midpoint of the transducer is dimension A. Adjust the clamping bracket up or down the main support tube to dimension B so it will be just clear of the final clamping position. If the clamp is higher than the pivot tube this will need to be removed and reassembled in reverse or
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 Figure (5): MSL600 mounting Page 13
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 3.4 Transducer connections The MSL600 is housed in an ABS enclosure rated to IP66. The lower section of the housing is for cable connections and the upper part has the LCD and keypad controls. It is not necessary, or advisable, to remove the lid of the upper part of the enclosure. There are no user serviceable parts inside. All field wiring connections are accessible by removing the lower lid, which is secu
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 The diagram below, Figure (7) shows the layout of external connection terminals of the MSL600 with the lower terminal housing cover removed. Table (A) gives a description of each. Note: When wiring of the unit is finished, ensure that the terminal housing cover is replaced the correct way up, i.e. with the bevelled edge uppermost otherwise the IP rating of the enclosure may be compromised. Figure (7): Ex
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 3.6 Cable extension The transducer is connected using ALPHA XTRA-GUARD4 P/N45272. The standard cable length is 10 metres. This cable comprises of two twisted pairs with an overall screen and drain. The brown and red wires from the transducer should be connected to one twisted pair. The black and white wire from the transducer should be connected to the other twisted pair. The yellow from the transducer sho
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 4. Programming The following sections introduce the main display and use of the keypad (MSL600 only) for programming the MSL600. Password protection to prevent unauthorized access is also discussed. 4.1 Display The display is a 240 x 128 dot matrix LCD module with full graphics capability and LED back light. The LCD is split into four parts, see Figure (8). Figure (8): The LCD display layout � Upper lef
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 4.2 Contrast (viewing angle) control When the system is making measurements in normal mode the screen contrast or viewing angle can be adjusted. Whilst holding down the Esc key press either the or key Esc and - increases (darkens) the contrast and Esc and decreases (lightens) the contrast. 4.3 Keypad and Menu Navigation Data entry and interrogation is normally achieved using the integral membrane key
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 4.4 Security The HMI includes a password system which may be used to protect parameters from unauthorised changes and also to prevent the system from being switched between On and Off-line mode. The password is in the form of a 4-digit code (or PIN). When the user has entered the correct PIN then the password is said to be open (else closed). The PIN is a 4-digit code, value 0000 to 9999. Once the passwor
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Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 MSL600 5. Quick start parameters The system leaves the factory with default values in all the parameters. These values, after installation, allow immediate operation without any further programming. However, it is recommended for best operation that the following parameters should be programmed. In order to get meaningful measurements from the MSL600 in the minimum time only the following parameters need to be ad
