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Summary of Contents for Cole Parmer pH 550
- Page 1 OPERATION MANUAL pH 550 (Cat. No. 0580218) MICROCOMPUTER BASED pH /Temperature CONTROLLER 625 East Bunker CT Vernon Hills, IL 60061-1844 Phone: 800-32-4340 Fax: 847-247-2929 E-mail: info@coleparmer.com www.coleparmer.com 06/0012Rel1...
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Page 2: Table Of Contents
CONTENTS Page INITIAL INSPECTION MOUNTING PROCEDURE GENERAL INTRODUCTION III. USING THE pH 550 A. FRONT(KEYPAD) PANEL B. MAIN DISPLAY MODE C. REAR CONNECTORS D. TURNING ON/OFF THE INSTRUMENT MODEL MODES A. MAIN DISPLAY MODE B. CALIBRATION/SETTING MODE How to use the keys a. -
Page 3: Initial Inspection
I. INITIAL INSPECTION Carefully unpack the instrument and accessories. Inspect for damages made in shipment. If any damage is found, notify your Cole-Parmer representative immediately. All packing materials should be saved until satisfactory operation is confirmed. MOUNTING PROCEDURE 1. Make a cutout on any panel, with a thickness of 1/16 PANEL CUTOUT DIMENSIONS... -
Page 4: General Introduction
The system also has two isolated 4-20mA analog output, offset and span configurable for the pH & temperature display. The pH 550 comes with a RS485 interface that can easily let the user © log all data with an IBM... -
Page 5: Using The Ph 550
III. USING THE pH 550 A. FRONT PANEL NEED to crop out Jenco and Model no from picture below. 1. The [MODE /-] key. Main Display mode this key has no function. Calibration/Setting mode this key will move to the next digit of the current active parameter. -
Page 6: Main Display Mode
4a. During Calibration/Setting mode this key will decrement the blinking digit of the active parameter. 4b. During pH calibration, instead of SAVING the new pH Stand or Slope you can press this key to recalibrate the buffer again. ↵ 5. The [ ] ENTER key. -
Page 7: Rear Connectors
4.H1 (High action relay 1) or L1 (Low action relay 1) annunciator - this is the status of the pH Relay 1, if this is displayed then the Relay is ON. H1 means the relay action is HIGH while L1 means the relay action LOW. -
Page 8: Turning On/Off The Instrument
1. Connect the AC line to the rear of the instrument. The model 550 can be used with 115 or 230VAC 50/60 Hz. Power consumption is 6 watts. Make sure the EARTH connector is connected to the earth lead of the AC power line. 2. -
Page 9: Model Modes
Shaking or moving the probes vigorously before recording any measurement will dislodge any bubbles formed in the probes. IV. MODEL pH 550 MODES A. MAIN DISPLAY MODE Turning ON the unit will always start in main display mode. -
Page 10: Calibration/Setting Mode
1. Temperature - current temperature of the solution. 2. pH - the current degree of acidity or alkalinity of the solution with automatic temperature compensation. B. CALIBRATION/SETTING MODE Pressing the [CAL/VIEW] key for about two seconds during main display mode will bring-up the first page of seven pages of the Calibration/Setting mode. -
Page 11: How To Use The Keys
How to use the keys 1. At MAIN DISPLAY you need to press and hold the [CAL/VIEW] key for two seconds to change the display to VIEW SETTING PAGE or if the instrument is password locked the display will be PASSWORD CHECK page. -
Page 12: User Setting Page
“PASSWORD LOCKED” going to Calibration/Setting mode will not affect the function of the relays. CAUTION: If the unit is not locked then every time the user enters the Calibration/Setting mode the relays and analog out will be frozen. b. USER SETTING page You will only see this page if the unit is not password locked. -
Page 13: Step By Step Ph Calibration
2. BUFFER 2 - after you selected the buffer 1 this option will let you select the second buffer to use to calibrate the slope. You can choose 4.00 pH, 4.01 pH, 9.18 pH or 10.01 pH by using [ ] and [ ] keys ↵... - Page 14 ↵ 6. Press the [ ] key. A “WAIT” message will blink indicating that the instrument is waiting for a stable reading. The display will be locked to the buffer value corresponding to the temperature of buffer 1 (See IX. pH Buffers). When a stable reading is reached, the unit will blink a “SAVE”...
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Page 15: Ph Current Setting Page
d. pH CONTROL SETTING 1. HI or LO RELAY 1 – The action for this relay can Programmable to High or Low control. If in HI-action the relay will turn ON when the pH is greater or equal to RELAY 1 set point, which is modified by the hysteresis value. -
Page 16: Temp. Current Setting Page
plot the output. (See chapter VI. 4-20 mA OUTPUT .) 3. TRANSMITTER OUTPUT – This option would let you choose if the current output type is linear or antilog. The current output detailed see section C. pH & TEMP. LINEAR CURRENT OUTPUT on page 20. -
Page 17: Controlling The Relays
CONTROLLING THE RELAYS .) 4. RS 485 ID – this is the unique ID/Address for the unit. If you are connecting multiple model pH 550 or other Cole-Parmer models for logging purposes then this ID/Address must be unique for each connected unit. - Page 18 Relay Effective RELAY-ON Effective RELAY-OFF Action Set Point Set Point S.P. S.P. – (H.V) HIGH S.P. +(H.V.) S.P. = Relay Set point H.V.= Hysteresis value (Dead Band) If the relay action is set to HIGH, the relay will turn ON at (SET POINT), and will turn OFF at (SET POINT-HYSTERISIS).
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Page 19: Isolation Voltage
Note: The ideal set point range for pH is 0.00 to 16.00 pH. D. pH RELAYS There are three independent Alarm channels for pH display. (see figure 1.). The hysteresis value will be used by three pH relays. The action of the pH relays is dependent on set point, relay action type (HIGH or LOW), hysteresis value and the current pH display. - Page 20 The pH mA output will produce a linear analog output if the user selects ‘LINEAR’ in pH mA SETTING page (see figure 2). The temperature mA output is always linear. The pH analog output is calculated using pH_4 mA setting, pH_20 mA setting and the current pH display.
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Page 21: Ph Antilog Output
ANTILOG 20mA 20mA output . 12mA 12mA 20mA 20mA Point Point Point Point pH/TEMP. 20mA 20mA LINEAR 12mA 12mA output. pH/DO pH/DO 20mA 20mA Figure 2 Point Point Point Point C. pH ANTILOG OUTPUT The pH mA output will produce a antilog analog output if the user selects ‘ANTILOG’... -
Page 22: Rs485 Interface Operation
greater or equal to 0.10pH or else the analog output will be disabled. VII. RS485 INTERFACE OPERATION A. INTRODUCTION This section assumes you are familiar with the basics of data communication, the RS485 interface, a rudimentary knowledge and a copy of the more popular Windows ®... -
Page 23: Ph Buffers
"OVER" "OVER" a. Temperature > 120.0°C. [Bring buffer/solution lower temperature.] [Replace temperature probe.] b. No temperature sensor.. [Use a temperature probe.] "OVER" "UNDR" Temperature < -10.0°C. [Bring buffer/solution higher temperature.] "OVER" -10.0~ pH>16.00 . 120.0°C [Over Range or Recalibrate.] "OVER" 0.0 ~ 60.0°C a.pH-Cal-STAND a. -
Page 24: Specifications
The temperature characteristics of pH calibration buffers 4.00, 4.01, 6.86,7.00, 9.18 and 10.01 are stored inside the instrument. The buffers used to calibrate the instrument must exhibit the same temperature characteristics as the stored values. TABLE 1. °C 4.00 6.86 9.18 4.01 7.00... - Page 25 Range Resolution Accuracy -2.00 to 16.00 pH 0.01 pH ±0.01 pH ± 1 LSD Temperature Range Resolution Accuracy -10.0 to 120.0 °C 0.1 °C ±0.1 °C ± 1 LSD pH buffer recognition (STAND) pH 7.00 or 6.86 (SLOPE) pH 4.00 4.01, 9.18 or 10.01 pH Temperature compensation AUTO -10.0 to 120.0°C pH Buffer Temperature range...
- Page 26 Control type 3 (high or low) ON/OFF control Relay output 5A at 115VAC or 2.5A at 230VAC Resistive load only GENERAL Keys Audio feedback in all keys Security protect 4-digit password Communication RS485 Power Source 115VAC or 230VAC 50/60Hz Power consumption 6 watts Fuse 315mA/250V fast acting glass tube...
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