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GHM Martens GS125L Operating Manual Download Page 20

 

 

 

BA_MA_GS125_EN_V1.04 

 

 

 

18 / 24 

Limit switch GS125 

 

 

Safety-related key values 

MTBF-calculation acc. to SN29500 

Device without analogue value output 

(GS125x-x-

0

-xx)

 

 

GS125M 

1-channel-Version 

GS125M 

2-channal-

version 

GS125L/GS125LP 

1-channel-version 

GS125L/GS125LP 

2-channel-version 

λSD [FIT] 

191 

225 

175 

209 

λSU [FIT]

 

 

106 

119 

107 

120 

λDD [FIT] 

106 

111 

106 

111 

λDU [FIT] 

38 

46 

34 

41 

SFF [%] 

91,3 

90,9 

92,0 

91,5 

DC [%] 

73,4 

70,7 

75,9 

73,0 

PFH [1/h] 

3,82E-08 

4,58E-08 

3,36E-08 

4,12E-08 

PFDavg  

1 year 

1,67E-04 

2,01E-04 

1,47E-04 

1,80E-04 

2 years 

3,35E-04 

4,01E-04 

2,94E-04 

3,61E-04 

5 years 

8,37E-04 

1,00E-03 

7,36E-04 

9,02E-04 

Device with analogue value output 

(GS125x-x-

1

-xx) 

 

GS125M 

1-channel-version 

GS125M 

2-channel-

version 

GS125L/GS125LP 

1-channel-version 

GS125L/GS125LP 

2-channel-version 

λSD [FIT] 

203 

237 

187 

221 

λSU [FIT]

 

 

124 

137 

125 

138 

λDD [FIT] 

124 

130 

125 

130 

λDU [FIT] 

44 

52 

40 

47 

SFF [%] 

91,1 

90,7 

91,7 

91,2 

DC [%] 

73,8 

71,4 

75,9 

73,4 

PFH [1/h]

 

 

4,43E-08 

5,18E-08 

3,96E-08 

4,72E-08 

PFDavg 

1 year 

1,94E-04 

2,27E-04 

1,74E-04 

2,07E-04 

2 years 

3,88E-04 

4,54E-04 

3,47E-04 

4,13E-04 

5 years 

9,69E-04 

1,13E-03 

8,68E-04 

1,03E-03 

Table 7 MTBF key values 

 

 

Summary of Contents for Martens GS125L

Page 1: ...Operating Manual Limit switch GS125L EN Save for later reference ...

Page 2: ...bly 9 Electrical Installation 9 Connection Diagram 10 Limit contacts 11 Positioning of individual scale marking 12 Operating steps functional description output 13 Control elements functional description 13 Commissioning Maintenance and Service 14 Commissioning 14 Maintenance 14 Service 14 Error and System Messages 15 Technical Data 16 Safety related key values 18 Mechanical design dimensions 19 A...

Page 3: ...eas General safety instructions use This operating manual must be kept in a location such that qualified personnel can refer to it at all times Any processes described in this operating manual may only be carried out by trained qualified personnel who are authorised by the owner and wearing protective clothing All rights reserved Safety signs and symbols Warning notices are identified in this docu...

Page 4: ...r deviations cannot be entirely ruled out Therefore we cannot assume any guarantee for complete conformity The specifications in this document are checked regularly and any necessary corrections are incorporated into subsequent versions This document is subject to technical changes In addition all claims are based on the valid Standard Terms for the Supply of Products and Services of the Electrica...

Page 5: ...ing on the input signal relays are switched The relay status is indicated by a colour change in the scales of the adjustment wheels The switching behaviour of the relay can be specified as a minimum or maximum contact Device configuration will be done via DIP switches The relay is designed as a changeover contact for single channel devices Two channel devices can be optionally supplied with a univ...

Page 6: ...ge Standard signal Standard signal live zero 0 20 mA 0 10 V 4 20 mA 2 10 V Potentiometer 1 kΩ 10 kΩ nom Pt100 50 50 C 0 50 C 0 100 C 0 150 C 0 200 C 0 300 C 0 500 C Thermocouple Type J FeCuNi 0 250 C Type J FeCuNi 0 500 C Type K NiCrNi 0 500 C Type K NiCrNi 0 750 C Type K NiCrNi 0 1000 C Type S PtRhPt 0 1500 C ...

Page 7: ...inals for auxiliary voltage Terminals for relay Terminals for relay Type plate Scale wheel limit value A1 Scale wheel limit value A2 DIP switches for configuration of the input and the limit functions A1 A2 Terminals for signal input Terminals for analogue output available in device types with two limits only ...

Page 8: ...BA_MA_GS125_EN_V1 04 6 24 Limit switch GS125 Block circuit diagram Relay as a changeover contact Figure 2 Block circuit diagrams 2 Relay contacts with universal circuit 2 potential free contacts NO ...

Page 9: ...N_V1 04 7 24 Limit switch GS125 Type label The type plate contains the most important identification data Manufacturer Type and article description Technical specifications Serial number barcode Figure 3 Type Plate ...

Page 10: ... A corresponding version is available for the entire LP series of GHM carrier rail devices in a housing with 12 5 mm width A bus adapter compatible with series connection is clamped on the carrier rail before installation of the device to be supplied with power An adapter is required for each device The bus power supply is provided via a plug type terminal strip The power supply terminals 11 and 1...

Page 11: ...sed for sensor connection Terminals 21 22 31 32 are used for relay output Circuit depends on device type Terminals 61 62 are used for the analogue output Elektrische Anschlüsse Terminals Assignment 11 Power supply 12 Power supply Switching outputs GS125x 1 GS12x 2 GS125x 3 21 Relay contact A1 A1 A2 COM A2 22 Relay contact A2 A2 31 Relay contact COM A1 A2 COM A1 A2 COM A1 32 Relay contact A1 A1 A1 ...

Page 12: ...gram Figure 7 Connection diagram GS125x 1 GS125x 2 Figure 8 Connection diagram GS125x 3 The input signal should be connected via separate two or three wire lines Grounded cables can cause interference at the non galvanically isolated analogue actual value output ...

Page 13: ...2 normally closed n c Kl 31 21 Changeover contact with 1 limit function AL1 GS125x 2 x xx type with 2 change over contacts universal wiring 2 A1 normally open n o Kl 31 32 A2 normally open n o Kl 31 22 A1 A2 normally closed n c Kl 31 21 2a Two independent limits with with shared COM 2b Window monitoring function normally open n o 2c Window monitoring function normally closed n c GS125x 3 x xx type...

Page 14: ...g unit to the scale marking 24 transparent adhesive labels are supplied which can be placed to the front panel between the control wheels according to the requirements In the case of two part stickers the scale unit is located on the left the assignment to the scale wheel division on the right 0 10 Figure 9 Scale marking ...

Page 15: ...an be set via the A1 and A2 control wheels The illuminated scales also serve as an operating indicator If the limit value relay is not active the control wheel scale lights up green When the limit value relay is active the control wheel scale lights up red The switching behaviour of the relays can be determined via DIP switches 5 and 6 max switch position at the top The relay becomes active when t...

Page 16: ...ssioning Maintenance and Service Commissioning 1 Configure the device using the front DIP switches S1 S4 for the desired input measuring range and the output range 2 Configure the device for the desired limit value functions using the front DIP switches A1 and A2 3 Configure the device for the desired limit value using the front scale wheels for A1 and A2 4 Make sure that the port assignment has b...

Page 17: ...evice is ready for use Scale wheel flashes red Break of sensor or short circuit Check connections and sensor wiring Current output does not work correctly wrong measuring range selected Connections incorrect connected burden too high Device faulty Check configured measuring range Compare terminals with the port connection diagram e g with Pt100 2 wire measurement a bridge between terminals 41 and ...

Page 18: ...Ri approx 60 Ω Pt100 linearized measuring current approx 1 6 mA Relays fall back in case of sensor breakage or short circuit Thermocouple linearized with cold junction compensation optional without internal compensation Resistive Potentiometer 3 wire Nominal value 500 Ω 20 kΩ internal Reference voltage approx 1 5 V Accuracy analogue output value Input signal Basic accuracy Temperature drift K Stan...

Page 19: ...erminals IP 20 BGV A3 Terminals Screw terminals Push In terminals spring loaded Power Rail 0 2 2 5 mm AWG 24 14 removable coded 0 5 1 5 mm AWG 25 16 double connection 12A between connections removable coded 8A over the entire bus system Supply via removable terminals 0 2 2 5 mm AWG 24 14 Mounting DIN Rail mounted TS35 DIN EN 60715 Functional safety SIL2 parameters acc to EN61508 and SN29500 Device...

Page 20: ...E 08 PFDavg 1 year 1 67E 04 2 01E 04 1 47E 04 1 80E 04 2 years 3 35E 04 4 01E 04 2 94E 04 3 61E 04 5 years 8 37E 04 1 00E 03 7 36E 04 9 02E 04 Device with analogue value output GS125x x 1 xx GS125M 1 channel version GS125M 2 channel version GS125L GS125LP 1 channel version GS125L GS125LP 2 channel version λSD FIT 203 237 187 221 λSU FIT 124 137 125 138 λDD FIT 124 130 125 130 λDU FIT 44 52 40 47 S...

Page 21: ...t Order Code 1 2 3 4 1 Device version GS125L Supply voltage 24VDC 15 GS125LP Supply voltage 24VDC 15 with mounting rail bus connection GS125M Wide range power supply 20 125V DC 20 253V AC 2 Limit value contacts 1 1 relay changeover contact 2 2 relays universal circuit 3 2 relays potential free NO contacts 3 Actual value output 0 Not available 1 Output 4 20 mA 4 Options 00 Without options 01 Push i...

Page 22: ...r info desk forms a return shipment form can be downloaded The repair can be performed quickly and without call back questions if 1 a filled in form is provided for each device 2 the device has been cleaned and packaging which prevents damage to the device is used and 3 a safety data sheet for the measuring medium is affixed to the outside of the package if the device has come into contact with a ...

Page 23: ...ng Defective products are repaired professionally and quickly in our service centre Monday to Thursday from 8 00 to 16 00 Friday from 8 00 to 13 00 GHM Messtechnik GmbH GHM GROUP Martens Kibitzhörn 18 Service Centre 22885 Barsbüttel GERMANY Tel 49 40 67073 143 service martens ghm messtechnik de Fill in the return form available from the information base online at www ghm group de and sent it in wi...

Page 24: ...BA_MA_GS125_EN_V1 04 22 24 Limit switch GS125 Certificate of Conformity ...

Page 25: ...BA_MA_GS125_EN_V1 04 23 24 Limit switch GS125 Notes ...

Page 26: ...BA_MA_GS125_EN_V1 04 24 24 Limit switch GS125 Notes ...

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