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When Designing your GLC System:

- Be sure to design your GLC control system so that in the event of

a main power supply failure or a GLC accident, the user system’s
overall safety integrity will be maintained. If this is not done, in-
correct output signals or a GLC malfunction may cause an acci-
dent.

(1) Interlock circuits, etc. designed to interrupt or oppose normal

machine movement (i.e. Emergency Stop, General Protection,
forward and reverse rotation, etc.), as well as those designed
to prevent machine damage (i.e. for upper, lower and traverse
movement limit positioning, etc.) should all be designed to be
located outside of the GLC.

(2) Whenever the GLC generates a “Watchdog Timer Error”, GLC

operation will halt. Also, when errors occur in Input/Output
control areas that the GLC cannot detect, it is possible for
unexpected movement to occur in those areas. As a result,
for the purpose of preventing unsafe machine movement, a
“Failsafe Circuit” should be created which is completely ex-
ternal to the GLC.

(3) If a problem arises with an external unit’s relay or transistor,

causing an output (coil) to remain either ON or OFF, a major
accident can occur. To prevent this, be sure to set up external
watchdog circuits that will monitor vital output signals.

- Be sure to design a circuit that will supply power to the GLC’s I/O

unit before starting up the GLC. If the GLC’s internal program
enters RUN mode prior to the I/O unit’s load control power turn-
ing ON, an incorrect output (signal) or malfunction could cause
an accident to occur.

- Be sure to design a program that will ensure the safety of the

user’s system, in the event of a GLC display or control error, or in
the event of either a data transmission error or power failure be-
tween the GLC and a connected unit. These types of problems
can lead to an incorrect output (signal) or malfunction, which could
thereby cause an accident to occur.

Do not create GLC touch panel switches that could possibly en-

danger the safety of equipment and personnel. Damage to the
GLC, its I/O unit(s), cable(s), and other related equipment can
cause an output signal to remain continuously ON or OFF and

        DANGERS

Industrial automation

Elincom Group

EuropeanUnion: www.elinco.eu
Russia: www.elinc.ru

Summary of Contents for GLC2500-TC41-24V

Page 1: ...lem arises with an external unit s relay or transistor causing an output coil to remain either ON or OFF a major accident can occur To prevent this be sure to set up external watchdog circuits that will monitor vital output signals Be sure to design a circuit that will supply power to the GLC s I O unit before starting up the GLC If the GLC s internal program enters RUN mode prior to the I O unit ...

Page 2: ...ety and reliability When using the GLC with transportation vehicles trains cars and ships disaster and crime prevention devices various types of safety equipment non life support related medical devices etc redundant and or failsafe system designs should be used to en sure the proper degree of reliability and safety WARNINGS Touch Panel Warnings After the GLC s backlight burns out unlike the GLC s...

Page 3: ...irm that the GLC s power cord is unplugged before either cleaning the GLC or at taching detaching the power terminal block screws When replacing the GLC s backlight be sure to unplug the unit s power cord to prevent a shock and wear gloves to prevent being burned The GLC uses a lithium battery for backing up its internal clock and control memory data If the battery is incorrectly replaced i e the ...

Page 4: ...n cause a fire accident or malfunction GLC Operation and Maintenance Cautions Be sure to read the GLC s manual and on line help information carefully before performing program changes forced output or utilizing the RUN STOP PAUSE Enable I O and other commands while the GLC is in operation Mistakes concerning the use of these items can cause a machine accident or damage The liquid crystal panel con...

Page 5: ... to cool itself naturally be sure to install it in a vertical panel Also insure that the GLC is mounted at least 100 mm away from any other adjacent structures or machine parts If these conditions are not met the heat generated by the GLC unit s internal components may cause it to fail to meet UL standards UL1604 Conditions of Acceptability and Handling Cautions 1 Power input and output I O wiring...

Page 6: ...N61000 6 2 For detailed CE marking information please contact your local GLC distribu tor Cautions The GLC unit s rear face is not approved as an enclosure When building the GLC unit into an end use product be sure to use an enclosure that satisfies standards as the end use product s overall enclosure The GLC unit must be used indoors only Install and operate the GLC with its front panel facing ou...

Page 7: ...ludes the performance of ladder circuit program features 3 Changing to OFFLINE will release and stop ladder circuit program features Front Rear Bottom C A B D I E F G H J K L M N O P D Power Input Terminal Block E Expansion Unit Interface 1 F Expansion Unit Interface 2 G CF Card Expansion Interface H CF Card Cover I CF Card Access LED J CF Card Slot inside cover K Serial Interface Dsub 25 pin L Ex...

Page 8: ...erved Always OFF 3 Reserved Always OFF 4 This setting controls the forced closing of the CF Card cover Forced close enabled Forced close disabled Used when CF Card cover is damaged 3 CF Card Dip Switches Dip Switches factory set Rear of GLC Unit mm in Top GLC2500 TC41 24V GLC2600 TC41 24V Side GLC2500 TC41 24V GLC2600 TC41 24V Front GLC2600 TC41 24V 58 2 28 8 0 31 227 8 94 243 9 57 301 11 85 317 1...

Page 9: ... Interfaces RecommendedConnector Dsub25 pinplugXM2A 2501 madebyOMRONCorp Recommended Cover Dsub 25 pin Cover XM2S 2511 madebyOMRONCorp RecommendedScrew JackScrewXM2Z 0071 madebyOMRONCorp RecommendedCable CO MA VV SB5Px28AWG madebyHITACHICableLtd This GLC unit s serial port is not isolated When the host PLC unit is also not isolated and to reduce the risk of damaging the RS 422 circuit be sure to c...

Page 10: ...le Receive RS 232C 5 SG Signal Ground 6 DR Data Set Ready RS 232C 7 RS Request to Send RS 232C 8 CS Clear to Send RS 232C 9 RI VCC Ring Indicate RS 232C 5V 5 0 25A RecommendedConnector Dsub9 pinsocketXM2D 0901 madebyOMRONCorp RecommendedCover Dsub9 pincoverXM2S 0913 madebyOMRONCorp Recommended Screw Jack Screw XM2Z 0073 made by OMRON Corp Use inch type screws 4 40UNC as set screws 5 9 1 6 Pin Arra...

Page 11: ... sure to change the gasket peri odically or when scratches or dirt become visible Confirm the Installation Gasket s Positioning It is strongly recommended that you use the gasket It absorbs vibration in addition to repelling moisture Place the GLC on a level surface with the display panel facing downward Check that the GLC s installation gasket is seated securely into the gasket s groove which run...

Page 12: ...llation fastener Panel GLC Insertion Slots Insertion Slots Top Bottom Unit mm in 1 0 0 04 0 u n d e r 4 R 3 Panel Panel thickness 1 6mm 0 06in to 10mm 0 39in 301 5 11 87 GLC GLC Panel 1 0 227 5 8 96 0 04 0 Tightening the screws with too much force can damage the GLC s plastic case The necessary torque is 0 5 N m Depending on the installation panel s thickness etc the number of installation fastene...

Page 13: ...ws from the middle three 3 terminals align the Ring Terminals and re attach the screws 4 Replace the Power Input Terminal Block s clear plastic cover Confirm that the ring wires are connected correctly The torque required to tighten these screws is 0 5 to 0 6 N m 1 Suggested Ring Terminal V2 MS3 made by JST To avoid an electric shock when connecting the GLC s power cord terminals to the power term...

Page 14: ...wires before connecting it to the GLC unit The GLC s power supply cord should not be bundled with or kept close to main circuit lines high voltage high current or input output signal lines Connect a surge absorber to handle power surges To reduce noise make the power cord as short as possible All GLC Input and Output signal lines must be separated from all operating circuit power cables If this is...

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