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Operation Manual
Compur Statox 4120
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Compur Statox 4120 This document is subject to changes without notice. Regular updates can be viewed on our web site www.compur.com You are welcome to communicate any proposal how to improve this document to Compur Monitors. Copyright Compur Monitors GmbH & Co. KG Published by: Compur Monitors GmbH & Co. KG Weissenseestrasse 101 D-81539 München Tel. 0049 (0) 89 62038 268 Fax. 0049 (0) 89 62038 184 2
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Compur Statox 4120 Contents Seite 1. Important notice 4 2. The Statox 4120 System: Purpose of use and description 4 2.1 Statox 4120 sensor head 5 2.2 Statox 4120 rack 6 2.3 Statox 4120 control module 8 2.4 Diagnostic box 9 3. Installation and electrical connections 10 3.1 Statox 4120 sensor head 10 3.1.1 Mounting 10 3.1.2 Connecting the signal cable 11 3.2 Statox 4120 rack 13 3.3 Statox 4120 control module 14 3.4 Switch positions of the s
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Compur Statox 4120 1. Important notice Statox 4120 is an explosion proof system for the detection of toxic gases. It can be operated in hazardous areas classified division 1 and 2. Before installing and putting Statox into operation read and observe this manual! To operate the system safely, observe this manual carefully. It must be operated and maintained by qualified and authorised personnel. No other application than ambient air monitoring of the gas specified is aut
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Compur Statox 4120 2.1 Statox 4120 sensor head pic. 1: Statox 4120 sensor head 1 Bottom part 2 Statox 4120 sensor 3 Statox 4120 dust filter 4 Gas generator 5 Statox 4120 pump 6 Statox 4120 filter cartridge 7 Buffer battery for pump operation 8 Water container 9 Electronics 10 Opto - coupler for communication with the diagnostic box 5
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Compur Statox 4120 pic. 2: Statox 4120 sensor head for Cl und ClO 2 2 Operation principle Ambient air enters the sensor (2) by diffusion through an opening at the bottom. The sensor creates a current - signal proportional to the gas concentration. This signal is amplified, temperature compensated and linearised. As a digital signal it is transmitted to the control module. To protect the sensor from being poisoned by a high gas concentration, the Statox features a built
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Compur Statox 4120 Construction: The system consists of a 19“-4-HE rack with backplane and up to nine Statox 4120 control modules. Each Statox 4120 sensor head is communicating with one control module. The Statox 4120 rack is available in following designs: STATOX 4120 Rack ½ x 19“ for 4 Control modules STATOX 4120 Rack 19“ for 9 Control modules STATOX 4120 Rack 19“ for 9 Control modules / RFI shielded STATOX 4120 Desk case for 4 Control modules STATOX 4120 Desk cas
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Compur Statox 4120 2.3 Statox 4120 control module Each Statox 4120 Control module has its own power supply. The intrinsically safe sensor head supply circuit is supplied by a separate secondary winding. pic.4: Statox 4120 Rack 1 19“ Rack 9 LED A1 2 Statox 4120 control module 10 LED A2 3 Button A2 11 Potentiometer for A2 4 Button A1 12 Potentiometer A1 5 Button T 13 Bar graph display 6 Button R 14 Blind panel 7 LED SR 15 Rail 8 L
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Compur Statox 4120 LED A1 (9) - On if pre - alarm threshold is exceeded Display A2 (10) - On if main alarm threshold is exceeded Button A1 (4) - Press and hold button A1 to display A1 threshold. Adjust with Pot. (12). A1 must be < A2. Button A2 (3) - Press and hold button A2 to display A2 threshold. Adjust with Pot. (11). Button T (5) „Test“ - Initiates self test. Button R (6) „Reset“ - Rests Alarms A1, A2 und SF provided the reason for the alar
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Compur Statox 4120 3. Installation and electrical connections 3.1. Statox 4120 sensor head 3.1.1. Mounting The sensor head should be installed as close as possible to potential leaks. If it is used as industrial hygiene device it should be located between a potential leak and personnel working in the area. Parameters such as: Air flow (wind, ventilation, thermal conditions) Access from top (removing the cover) and bottom (loosening the screws) Specifications of
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Compur Statox 4120 pic.7: Drilling plan for the mounting brackets 3.1.2. Connecting the signal cable The signal cable connects sensor head and control module. Use only shielded cable. The maximum cable length depends on the cable specifications. Cable: Length l Capacity C [pF/m] L Inductivity L [mH/m] L Approved parameters: Approved parameters: U , I , C , L O O O O U , I , C , L i i i i Conditions: U < U and I < I and l x C < C - C and l x L < L - L O
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Compur Statox 4120 Example of cable specifications: Max. cable capacity: l x C = C - C = 107 nF L o i Max. cable inductivity: l x L = L - L = 6,6 mH L o i 2 Diameter: > 0,75 mm The Statox 4120 Systems will work reliably if the electrical resistance is : R < 50 Ω. L Most commonly the maximum length is limited by the cable capacity. 2 Example: Cable diameter is 1,0 mm (0,04 in), C = 90 pF/m, L = 0.7mH/km, R / km = 19,5 Ω. L L L The maximum cable length results to be
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Compur Statox 4120 3.2 Statox 4120 rack Statox 4120 Rack must not be installed in hazardous areas. Observe local safety- and installation regulations. Protect any cable from tensile strain. The five - and the nine - contact terminals are plugged in. They can be removed to ease wire connection. pic.10: Backplane Statox 4120 Rack Installation instructions: The signal cable from sensor head to backplane must be shielded. The shield must make good contact to t
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Compur Statox 4120 Installation instructions for the RFI-shielded Statox 4120 rack: Use well shielded signal cable. The shield must make good contact with the RFI resistant cable glands. It must not be interrupted by connection boxes. If the signal cable is run through such, these must also be equipped with RFI resistant cable glands. They must be installed isolated from ground, and the shield must make good contact with the metal housing of the box. Do not remove the con
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Compur Statox 4120 Slide switch S1: S1 ON OFF 1 Relay active during alarm A2 Relay inactive at alarm A2 2 Relay active during alarm A1 Relay inactive at alarm A1 Toggle switch S3: S3 ON OFF 1 Detection mode - 2 Rest Alarm by resetbutton R auto - reset 3 Detection mode - 4 Detection mode - 5 Measured value accepted if logic - signal is 0V 6 Detection mode - 7 Detection mode Modem - and analog signal adjustment for service only! 8 Dete
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Compur Statox 4120 DIP switch S1 (see pic. 8) programs gas and measuring range. If you change your Statox to another gas or measuring range, a hardware modification may be required and the electronics must be re - adjusted. This must be done by authorised personnel. Table 1: Switch position for H S 2 Measuring range: 0-30 ppm 0-50 ppm 0-100 ppm S1/1 ON OFF OFF S1/2 ON ON ON S1/3 ON ON ON S1/4 ON ON OFF S1/5 ON ON OFF S1/6 ON OFF ON S1/7 ON ON OFF S1/8 ON ON ON
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Compur Statox 4120 Table 4: Switch position for Cl 2 Measuring range: 0-1,5 ppm 0-3 ppm 0-10 ppm S1/1 ON ON OFF S1/2 ON ON ON S1/3 ON ON ON S1/4 ON OFF ON S1/5 ON ON OFF S1/6 ON ON ON S1/7 OFF OFF OFF S1/8 ON ON ON E-PROM Index sensor head 12, 13, 14 12, 13, 14 12, 13, 14 E-PROM Index control module 02, 03 ≥ 02 02, 03 Table 5: Switch position for CO Measuring range: 0-150 ppm S1/1 ON S1/2 ON S1/3 ON S1/4 ON S1/5 ON S1/6 OFF S1/7 OFF S1/8 ON E-
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Compur Statox 4120 Table 8: Switch position for SO Table 9: Switch position for NO 2 2 Measuring range: 0-0,5 ppm Measuring range: 0-15 ppm S1/1 OFF S1/1 ON S1/2 ON S1/2 ON S1/3 ON S1/3 ON S1/4 OFF S1/4 ON S1/5 ON S1/5 ON S1/6 ON S1/6 ON S1/7 ON S1/7 ON S1/8 ON S1/8 ON E-PROM Index sensor head 21 E-PROM Index sensor head 21 E-PROM Index control module 04 E-PROM Index control module 04 4. Compur Statox 4120 op
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Compur Statox 4120 4.5 Manually triggered self test of the system Push and hold button T for 2 s to initiate a self test. The next self test will start automatically after 24 h. 4.6 System failure As soon as the Statox detects a faulty system condition the LED SF goes on and relay SF is activated. This will be the case if: Self test not passed Data transmission faulty No signal 5. Trouble shooting As soon as the Statox detects a faulty system condition
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Compur Statox 4120 5.1 Using the diagnostic box Switch the diagnostic box on. Then connect it to the opto- coupler receptacle on sensor head bottom. Keep the LED`s and the phototransistors of the opto- coupler clean for proper data transmission. 5.1.1 Operation and error codes of the diagnostic box Note: If a combination of push button operations is requested ( f. i. ST + ENT), the buttons must be operated in a short time distance. Example: ST + ENT initiates a self te
