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38 

Sentry Equipment Corp

Controller and Components

ID

Description

Sentry P/N

Controller with pass-through cord grips (after 3/2009) 6-04848A
Controller with quick connect cable connections 

(before 3/2009)

6-04120H

F1

CPU Board Fuse, 1.0 A 250 V Fast Acting

4-05630B

F1

Output Board Fuse, 4.0 A 250 V Fast Acting

4-05630C

F2

Output Board Fuse, 0.63 A 250 V Fast Acting

4-05630D

F3

Output Board Fuse, 0.25 A 250 V Fast Acting

4-05630E

F4

Output Board Fuse, 2.0 A 250 V Fast Acting

4-05630A

Power Supply Fuse, 4.0 A 250 V Fast Acting

4-02055F

CPU Board

6-03912D

Output Board

6-03912E

Display Board

2-05578J

Power Supply

4-05590C

Summary of Contents for Sample Sentry II High Pressure

Page 1: ...Original Instructions Installation Operation Maintenance Manual Sentry Sample Sentry II Sample Conditioning Automation S SW IOM 00269 20 05 21...

Page 2: ...abilities and warranties express or implied including warranties of merchantability and fitness for a particular purpose for the accuracy currency completeness and or reliability of the information co...

Page 3: ...ions DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious in...

Page 4: ...g with any chemical Read the product label and Safety Data Sheets SDS carefully and follow the instructions exactly Potential Equipment Hazards Hot surfaces This equipment may have very hot surfaces I...

Page 5: ...Flow Rate Pressure Measurements Range 0 3000 psi 0 207 bar Accuracy 0 5 Temperature Measurements Range 32 250 F 0 121 C Accuracy 1 F Alarm Relay Contact Rating Max operating voltage 250 VAC 220 VDC M...

Page 6: ...m can require constant adjustment during startup or as plant conditions change Sample Sentry II is designed to meet requirements for representative sampling by maintaining a constant flow rate with va...

Page 7: ...Sentry Sample Sentry II 7 Figure 1 Typical P ID of a Sample Sentry II System...

Page 8: ...8 Sentry Equipment Corp Figure 2 P ID of a Sample Sentry II system with Secondary Cooling...

Page 9: ...nt the system advances to the Blowdown state If Blowdown is not enabled the system goes to the Sample state When enabled the Blowdown state initiates a controlled blowdown sequence by opening V 1 and...

Page 10: ...n for the main menu In order to enter the menu screen you must enter the password 101 followed by the ENTER key If a correct password is entered the main menu screen appears From an alarm screen press...

Page 11: ...Sentry Sample Sentry II 11 Figure 3 Controller Front Panel...

Page 12: ...Scale Sample Auto Calibra on Shutdown Manual Cal Blowdown Time Comp Error Offset Pressures Startup Pressure Flow Meter Cal Shutdown Pressure PRV Se ngs PRV Type Clean PRV Start Posi on PRV Recalibrate...

Page 13: ...nd closed Holding the key opens the PRV while holding the key closes the PRV Start The controller waits in the Start state until the inlet pressure is greater than the programmed startup pressure The...

Page 14: ...rm occurs valves SV1 SV2 and the VREL valve close The alarm condition cannot be reset until the outlet temperature falls below the high temperature alarm setpoint Pressing the Menu Reset button resets...

Page 15: ...was in before Motor Diagnostics routine 3 If 15 seconds have elapsed and no motor movement has been detected the Sample Sentry II pulses the motor in the opposite direction for 15 seconds If motor mov...

Page 16: ...he option by using the ENTER key To exit this screen and return to the operation screen press the ESC key The Main Menu password is 101 Display Intensity Figure 8 Display Intensity D i s p l a y I n t...

Page 17: ...I recommends a blowdown velocity no greater than 125 the normal sampling velocity Sample This flow rate is used during the Sample state During this time sample is allowed to flow to analyzers Shutdown...

Page 18: ...s the ENTER key to display the next set point After setting the last pressure pressing ENTER returns the unit to the setup screen The following pressures can be programmed Startup The first set point...

Page 19: ...position fully closed This can be set to higher if the sample line tends to have initial debris in the line that can clog the VREL valve or to reduce the time it takes for the sample to reach its set...

Page 20: ...d continued setup screen The cursor indicates the option you wish to choose Move the cursor using the and keys Select the option using the ENTER key To exit this screen and return to the previous scre...

Page 21: ...ystem remains in low pressure alarm until the pressure rises above the low alarm level plus the alarm hysteresis Units Figure 21 Units U n i t s S e t u p E n g l i s h Figure 21 shows the unit select...

Page 22: ...e 24 shows the analog input menu screen This screen can be accessed by entering 202 for the Analog Input Setup Password The cursor indicates the option you wish to choose Move the cursor using the and...

Page 23: ...n This instrument should be installed by qualified technical personnel to ensure adherence to all applicable electrical codes To ensure the protection provided by this equipment is not impaired this e...

Page 24: ...24 Sentry Equipment Corp Figure 25 General Arrangement High Pressure Model...

Page 25: ...A suitable external over current protection device such as a fuse or circuit breaker 15 A is recommended for both the hot L and neutral N leads Using this method the plug serves as the disconnect devi...

Page 26: ...26 Sentry Equipment Corp Figure 26 Electrical Wiring Diagram...

Page 27: ...tion valve to introduce sample The controller begins to display the inlet pressure 6 Place the controller in Auto mode for automatic operation or control the system manually Maintenance Sample Cooler...

Page 28: ...ces startup time a When the coupling is installed it is necessary to ensure proper spacing See procedure in maintenance section 6 Apply power to the Sample Sentry II 7 Wait for Sample Sentry II unit t...

Page 29: ...ator assembly by removing the two tubing connectors and two Allen head retaining screws that hold the valve to the mounting bracket Flow Meter FE FT 1 If removal of the flow transmitter is needed spec...

Page 30: ...ween the top and bottom of the coupling when pulling the VREL valve shaft up e Tighten the setscrews and install tighten the jam nuts Low Pressure Needle Valve coupling 1 Install the bronze half of th...

Page 31: ...cover of the enclosure by removing the four corner screws Disconnect the keypad extension cable from the CPU board 2 Disconnect the interface cable and power supply cable from the CPU board Remove the...

Page 32: ...ed personnel Refer to the following procedures to calibrate the analog circuits of the Sample Sentry II Tools Required Calibrated milliamp supply Calibrated voltage source Calibration 1 Using the keyp...

Page 33: ...of channels 1 3 connect a calibrated milliamp supply to TB1 terminals of the CPU board marked and for the appropriate channel Input 4 mA Press the Enter key 4 The controller is done calibrating the 4...

Page 34: ...ges from 0 V to 2 5 V Input 2 5 V for selected channel Press the Enter key 10 The controller is done calibrating the 2 5 V when the Gain value stops adjusting Remove voltage from channel Press the Ent...

Page 35: ...n 0 cc min 1250 cc min 1000 cc min 0 cc min Blowdown Time 1 minute 1 minute Pressures Startup Shutdown 1000 PSI 500 PSI 100 25 Auto clean 8 hours 8 hours Alarms Outlet Temp Low Flow Low Flow Hysteresi...

Page 36: ...t or replace packing Leaking Cooler Loose housing from thermal shock or worn gasket Tighten bolts on head assembly or replace gasket if cut or worn Leaking BPR RV Diaphragm failure Replace diaphragm M...

Page 37: ...4281E V 2 Sample Inlet Isolation Blowdown Valves 1 4 Compression Low Temperature Low Pressure Packing for above 1 4 Compression High Temperature High Pressure Packing for above 3 8 Compression Low Tem...

Page 38: ...H F1 CPU Board Fuse 1 0 A 250 V Fast Acting 4 05630B F1 Output Board Fuse 4 0 A 250 V Fast Acting 4 05630C F2 Output Board Fuse 0 63 A 250 V Fast Acting 4 05630D F3 Output Board Fuse 0 25 A 250 V Fast...

Page 39: ...in the table below Product Line Product Category Warranty Period Sentry 1 Automatic Sampling 2 Corrosion Monitoring 3 Manual Sampling 4 Sample Conditioning 5 Sampling Analysis Systems 6 Replacement Pa...

Page 40: ...nditioning sampling and measuring gas liquid slurry powder solids steam or water within their production environments our customers obtain the critical insights they need to control and optimize their...

Page 41: ...mmunications port uses 8 data bits 1 stop bit and no parity The MODBUS mode is RTU These parameters cannot be changed Table 6 MODBUS Registers Register Sample Sentry II Register R W Format 30001 State...

Page 42: ...r back to zero Remote Stop Permissive Run 40017 Momentarily place a 1 in this register to remotely place the system in Manual Maintaining a 1 in this register functions as a remote lockout To place a...

Page 43: ...Sentry Sample Sentry II 43 This page is intentionally left blank...

Page 44: ...44 Sentry Equipment Corp This page is intentionally left blank...

Page 45: ...sentry equip com 966 Blue Ribbon Circle North Oconomowoc WI 53066 U S A 1 262 567 7256 support sentry equip com Serving customers in more than 50 countries across six continents worldwide...

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