Loop 7 6 5 Signet 8750- ph/orp *-8750.090-* CAUTION! Contents 0.0 ph 5.0C Signet ph/orp. Installation. Panel Installation gasket panel terminals mounting bracket 96 mm (.8 in.) 8050 8 mm (. in.) Optional Rear Cover 9 mm (.6 in.) latch System Pwr Loop - System Pwr 4 Output - Output Sensr Gnd (SHIELD) Sensr IN (RED) Sensr V (BLACK) 96 mm (.8 in.) FRONT VIEW Field Mount & Panel Mount 4 mm (.7 in.) 64 mm (.5 in.) 06 mm (4. in.) SIDE VIEW Field Mount 4 mm (.6 in.) 56 mm (. in.) 97 mm (.8 in.) SIDE VIEW Panel Mount Panel Mount Installation Detail quick-clips General Electrical Environmental Standards and Approvals Declaration of Conformity according to FCC Part 5
. Electrical Connections Caution: Wiring Procedure NOTE: Wiring Removal Procedure Wiring Tips: Terminals -4: Passive current loop 8 Output - Terminals -6: Sensor connections 6 5 4 Temp - (WHITE) Temp (GREEN) Iso. GND (BLUE) mv Input (BROWN) 4 Loop - Loop 7 6 Output Output - Earth GND Sensr Gnd (SHIELD) System Pwr Loop - System Pwr Loop 5 Output 0 9 V- (BLACK) V (RED) Internal open-collector circuit S D Isolation 8 7 Open Collector Output # Internal open-collector circuit S D Isolation 6 5 Open Collector Output # Terminals 5-8: Open-Collector Outputs
Relay Relay. Sensor Input Connections Terminals * 6 5 4 0 9 White (Temp) Green (Temp) Blue (ISO GND) Brown (mv input) Silver (Shield) Black (V-) Red (V) * Connecting terminal to Earth GND may reduce electrical interference DryLoc Electrodes Signet Preamp: -760- -760- -760- -760-0.0 ph 5.0 C Signet ph/orp Stand-alone application, no current loop used Terminals Loop - Loop System Power Loop - System Power Loop 4 NC NC Power Supply -4 VDC Connection to a PLC/Recorder separate supply Connection to a PLC with built-in power supply Loop - Loop System Power Loop - System Power Loop Terminals 4 PLC or Recorder Channel 4-0 ma Channel 4-0 ma Power Supply -4 VDC The current loop is a passive circuit. -4 VDC must be provided from an external source. Loop - Loop System Power Loop - System Power Loop Terminals 4 Internal PLC Connection PLC Terminals Channel 4-0 ma Channel 4-0 ma Power Supply -4 VDC Example: Two transmitters connected to PLC/Recorder with separate power supply PLC or Recorder Channel 4-0 ma Channel 4-0 ma Channel 4-0 ma Terminals Channel 4 4-0 ma Terminals Loop - Loop System Power Loop - System Power Loop 4 4 Loop - Loop System Power Loop - System Power Loop Power Supply -4 VDC
. Open Collector Output Proportional Pulsing High: Hysteresis Low Setpoint Process Time Open Collector Output Rate: 0 to 00 Pulses/min. 00 pulses Pulse rate Relay energized Relay de-energized Process 0 pulses 5 Starting point 0 endpoint High Setpoint Hysteresis Time VIEW Menu 0.0 ph 5.0C Signet ph/orp Display 7.00 ph.6 C Description Input 07 mv Loop Output 4.6 ma Last CAL: 0-0-09 EASY CAL
ProcessPro Editing Procedure: Step. Press and hold key: Step. Step. Step 4. Step 5. Step 6. Notes on Step : Notes on Step : Press & hold for access: CALIBRATE: ---- Enter Key Code CALIBRATE: *--- Enter Key Code VIEW CALIBRATE s 5s CALIBRATE: **-- Enter Key Code CALIBRATE: ***- Enter Key Code OPTIONS Temperature > Notes on Steps and 4: Temperature > Step Step : Finished Editing? Relay Setpnt: 0.0 ph > Step 4 Notes on Steps 5 and 6: Relay Setpnt: 0.00 ph Relay Setpnt: 00.00 ph Relay Setpnt: 00.00 ph Step 5 Step 5: Made an Error? Step 6 Relay Setpnt: 09.00 ph Relay Setpnt: 9.00 ph > Relay Setpnt: Saving
Calibrate Menu for ph Display Description Temperature > Standard > Slope > Loop Range: ph 0.00 4.00 > Loop Source: ph > Output Mode: Off > Output Setpnt: 4.00 ph > Output Hys: 0.5 ph > Output Range: 4.00 8.00 > Output PlsRate: 0 Pulses/min > Last CAL: 0-0-09 >
EASY CAL: ---- Enter Key Code To Calibrate: Response: To Accept: Place Sensor in ph Buffer # Place electrode tip in first ph buffer ph 7.0 = 0 mv ph 4.0 = 77 mv ph 0 = -77 mv Limit ± 50 mv Place Sensor in ph Buffer # Place electrode tip in second ph buffer. To exit menus and return to VIEW press and keys at the same time Press,,, keys in sequence to enter menu, will appear during code entry. **** * 6.90 ph -005 mv Allow for stabilization 0 seconds *.9 ph 79 mv * 6.90 ph -005 mv to accept * 7.00 ph -005 mv *.9 ph 79 mv Allow for stabilization Press to accept 0 seconds Display returns to VIEW Menu in 0 minutes or when is pressed second buffer calibration. * 4.00 ph 79 mv Good Easy Cal Press <> Options Menu for ph Display Contrast: > Averaging Off > Output Active Low > Description Temp Display C > Loop Adjust 4.00 ma > Loop Adjust 0.00 ma > Test Loop: > Test Output: >
Calibrate Menu for ORP Display Standard > Slope > Loop Range: mv -000 000 > Output Mode: Off > Output Setpnt: -500 mv > Output Hys: 0 mv > Description v Output Range: -500 500 > Output PlsRate: 0 Pulses/min > Last CAL: 0-0-09 >
EASY CAL: ---- Enter Key Code To Calibrate: Response: To Accept: Place Sensor in ORP Buffer # Place electrode tip in first ph buffer; ph 7.0 = 87 mv ph 4.0 = 46 mv Place Sensor in ORP Buffer # Place electrode tip in second (different) ph buffer. ph 4.0 = 46 mv ph 7.0 = 87 mv Press,,, keys in sequence to enter menu, will appear during code entry. **** * ORP: 84 mv Input: 8 mv Allow for stabilization 0 seconds * ORP: 6 mv Input: 60 mv * ORP: 84 mv Input: 8 mv * ORP: 87 mv Input: 8 mv * ORP: 6 mv Input: 60 mv Allow for stabilization Press to accept 0 seconds to accept second buffer calibration. * ORP: 64 mv Input: 60 mv Technical notes: To exit menus and return to VIEW press and keys at the same time Display returns to VIEW Menu in 0 minutes or when is pressed Good Easy Cal Press <> Options Menu for ORP Display Description Contrast: > Averaging Off > Output Active Low > Loop Adjust 4.00 ma > Loop Adjust 0.00 ma > Test Loop: > Test Output: >
Troubleshooting - ph Display Condition Possible Causes Suggested Solutions "Out of Range Use Manual Cal" "Same Buffer" "Standard too close to Slope!" "Slope too close to Standard!" "Out of Range Check Sensor" Constant "5.00 ph" or "0.00 ph" with good temp value "Check Sensor?"
Troubleshooting - ORP Display Condition Possible Causes Suggested Solutions "Out of Range Use Manual Cal" "Same Buffer" "Standard too close to Slope!" "Slope too close to Standard!" "Out of Range Check Sensor" Constant "-000" or "000" with good temp value "Check Sensor?" Ordering Information Mfr. Part No. Code Description Accessories Mfr. Part No. Code Description
Accessories Mfr. Part No. Code Description