Graco 313903C User Manual

Instructions

ti14387

ti14386

Model: 562870

Model: 562871

Lube Sentinel II Monitor

- Monitors and computes lube cycle lubrication rates -

Part No.: 562870 JIC Enclosure - Not for use in explosive atmospheres! Part No.: 562871 - Includes Explosion Proof Enclosure

Important Safety Instructions

Read all warnings and instructions in this manual. Save these instructions.

See Technical Data, page 26 for model information, including power requirements.

313903C

Bulletin: 44701, 555840

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable.

WARNING

ELECTRIC SHOCK HAZARD

This equipment must be grounded. Improper grounding, setup, or usage of the system can cause electric shock.

• Turn off and disconnect power at main switch before disconnecting any cables and before servicing equipment.

• Connect only to grounded power source.

• All electrical wiring must be done by a qualified electrician and comply with all local codes and regulations.

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system component. See Technical Data in all equipment manuals.

• Do not leave the work area while equipment is energized or under pressure. Turn off all equipment and follow the Pressure Relief Procedure in this manual when equipment is not in use.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufacturer’s replacement parts only.

• Do not alter or modify equipment.

• Use equipment only for its intended purpose. Call your distributor for information.

• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

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Installation

AUTOMATIC SYSTEM ACTIVATION HAZARD

Unexpected activation of the system could result in serious injury, including skin injection and amputation.

This device has an automatic timer that activates the pump lubrication system when power is connected or when exiting the programming function. Before you install or remove the Lube Sentinel II Monitor from the system, disconnect and isolate all power supplies and relieve all pressure.

Grounding

Installation

Electrical Connections

Electrical interference from improperly installed equipment may cause erratic behavior of the device.

When installing the Sentinel II, use 18 - 24 gauge machine tool wire (MTW). 18 gauge wire is recommended for the input power.

It is also recommended that wiring be run in its own conduit to minimize electrical interference. If the installation is in an area of high electrical noise/interference, or in trays with other control wiring, a shielded cable pair is recommended.

The equipment must be grounded. Grounding reduces the risk of static and electric shock by providing an escape wire for the electrical current due to static build-up or in the event of a short circuit.

Ground connections should not be connected to conduits or other electrical boxes. The ground wire should be connected to a grounding rod or a grounded bus bar that is tied to a grounding rod in the earth.

Shielded cable should be used on applications where engines or heavy-duty motors are in close proximity to the monitor, wiring or sensors. If shield cable is used, the shield should stay intact as close to the termination screws as possible. (Do not remove shielding from cable if it is in a shared tray).

The shield should be connected to the designated ground at both the sensor and the monitor.

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Installation

Circuit Board Connections

(FIG. 1 - FIG. 7 show the circuit board and power connections necessary to install the Lube Sentinel II Monitor in your lubrication system.)

All electrical connections are made to terminals along both sides and the bottom of the main circuit board, except for serial communications. Serial communication connections are made via a special plug-in header block.

External Connection Terminals

FIG. 1

4 313903C

Terminal Strip -

Ignition Shutdown*

Magneto Grounding

External Flow/No Flow Lights

Energize External Load (relay coil, etc.)

*NOTE: Do not

connect to high voltage. Connect to controls only.

Right Side Power Connections

Terminals Power Connection

115/230 VAC power input terminals

1 & 2

(polarity insensitive) 3 Earth Ground 4 +24 VDC Input 5 0 VDC Input 6 +24 VDC Out (for sensor use) 7 0 VDC Out (for sensor use) 8 0 VDC Out (for sensor use)

Terminal Strip Bottom - Fault Relay Connections

Terminals 9 - 14, Zone 1 Fault Relay:

Installation

IG. 2

The zone fault relay is a double-pole, double-throw (DPDT), Form-C relay. Relay contacts are wired directly to the terminal strip. Pole “A” uses terminals 9 (N.C.), 10 (com) and 11 (N.O.). Pole “B” uses terminal 12 (N.C.), 13 (com) and 14 (N.O.). Power is not supplied to these contacts. Contacts are rated 0.5 ampere at 125VAC and 1.0 ampere at 30VDC. The relays may be programmed to either energize or deenergize during a fault. (See F

IG. 3.)

FIG. 3: Examples of Wiring for Zone 1 Faults

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Installation

Ignition Shutdown Magneto Grounding

External Flow/No Flow Lights Energize External Load (relay coil, etc.)

Terminals 15 - 20, Zone 2 Fault Relay:

Relay data for Zone 2 is the same as for Zone 1. Pole “A” (for Zone 2) uses terminals 15 (nc), 16 (com) and 17 (no). Pole “B” (for Zone 2) uses terminals 18 (nc), 19 (com) and 20 (no). (See F

IG. 4.)

IG. 4: Wiring Examples when Zone 1 and Zone 2 are used.

6 313903C

Terminals 21 - 23, Power Failure Relay:

The power-fail relay is a single-pole, single-throw (SPST) relay rated for 0.5 ampere at 125 VAC or 1.0 ampere at 30 VDC. Terminals are to Form “C” contacts: 21 (nc), 22 (com) and 23 (no). This relay will be energized as long as power supply voltage is active (F

IG. 5).

Terminal Strip Left Side Bottom - Sensor Inputs

Terminals Sensor Inputs

Installation

FIG. 5: Power Failure Relay Connections

+25 & -26 For Factory Use +27 & -28 Tachometer Input +29 & -30 Bypass Zone 2 +31 & -32 Bypass Zone 1 +33 & -34 Reset Alarm +35 & -36 Cycle Switch Zone 2 +37 & -38 Cycle Switch Zone 1

IG. 6: Typical Input Devices

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Installation

Terminal Strip Left Side TOP Open Collector Outputs

These outputs are open collector, floating TTL outputs. There are no protection devices on these drivers. If the transistor output is connected directly to +24 volts with no load, these devices may be damaged. These drivers are optically isolated from the local power supply and their commons are floating. To utilize these drivers, Terminal 43 must be connected to the common of the voltage supply for the device being driven (such as a PLC input power supply, input common).

Terminals Sensor Inputs

39 +24 VDC Out 40 Sensor Echo Zone 1 41 Sensor Echo Zone 2 42 System Fault 43 Floating Drive Common

Safety Set (optional)

The Safety Set is a plug-in option that allows the operator to manually activate the function buttons from outside the enclosure.

1. Disconnect all power to the monitor.

2. Verify that the module is properly aligned and all pins are in their proper sockets.

3. Place the magnetic Datawand over the Safety Set target above the desired button to activate the function buttons (F

The Datawand activates the sensor through the window and keeps it activated until the Datawand is removed.

IG. 8).

IG. 7

NOTICE

Use caution when handling and storing the Datawand. It emits a strong magnetic field. Bringing the Datawand near magnetic media found on credit cards, floppy diskettes, or audio tape could destroy stored information!

IG. 8

8 313903C

Installation

Serial Communication

Remote communication (up to 100 feet) can be achieved using an RS-232-type port.

Information can be read from, or written to the Sentinel II by a personal computer (or other intelligent device). This communication is a master/slave protocol with the Sentinel II as the slave and the PC as the master.

NOTE: With the exception of a sign-on message when powered up, the slave will not send any data or information unless requested by the master.

• Data is sent across the serial port as ASCII characters with leading zeros suppressed.

• A BYTE can be up to 3 characters.

• An INTERGER can be up to 5 characters.

• Each command and each response is terminated with a carriage return (CR) (ASCII - Hexadecimal 0D or Decimal 13)

Table 1: Serial Pin Data

Pin # Description

Signal Ground 5 7

Read Data 2 3

Send Data 3 2

DB-9F

SERIAL

DB-25F

• If the data is not presented in the correct format, the command is not executed. Note that a “read” should be made after doing a “write” to verify the proper action has taken place.

NOTE: Changes made through the serial link are active but not permanent until the “save to E

” command (WC) is issued. If the WC command is not issued, turning the power off and on restores the originally saved operating parameters. See page 26 for recommended, user supplied, communication port connectors.

Serial Communication Wiring

• The Serial Communications are wired through a

6-point header on 0.1 inch centers (F

• Only three pins (1 - 3) are used (See Table 1).

• The other end of this cable may be connected to a

personal computer.

✓ Pin 1 (nearest to the transformer) is the signal

ground.

IG. 9).

IG. 9

SERIAL PORT PLUG

1 SIG COMMON

2 READ DATA (OUTPUT)

3 XMIT DATA (INPUT

2 RCV DATA (INPUT)

3 XMIT DATA (INPUT)

5 SIGNAL GROUND

TO PC SERIAL PORT

2 XMIT DATA (OUTPUT)

3 RCV DATA (INPUT)

7 SIGNAL GROUND

✓ Pin 2 is an output that connects to received data

at PC.

✓ Pin 3 is an input that connects to transmit data

of the PC.

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