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Doc Ref: SL-068 v1.35 pg 5

Module PCB Features

The following diagram indicates features available on the TOC-750 ‘module’ PCB. Please note 
that failure to observe and make correct connections or exceed ratings may result in damage to 
the PCB.

Ribbon Cable Connection For TOC-750

Annunciator Display and Options

Local LED Indications

And Up/Down Interface Buttons

Pellistor (Catalytic)
Flammable Gas
Detector Interface
Suitable for IGD
Types MK3, MK6, MK7

2-Wire Highway 
Connection
To Next Device

Multi-Function I/O Port 1
Solid State Output or
4-20mA Input or 
TOC-10 IP or Gas Meter

Multi-Function I/O Port 2
Solid State Output or
4-20mA Input or 
TOC-10 IP or Gas Meter

Connection Point For

IGD Infra-Red, Toxic, PID
or Oxygen Gas Detectors

2-Wire Highway 

Connection

To Next Device

P
Y

W

SPCO Relay

Output

DVM Test Point +

DVM Test Point -

Housing
Sealing
Environment
Temperature
Voltage
Communication

Relay
Digital Output
Digital Input
Analogue I/P
Pellistor Port
Sounder
Display
Comm Port

1

2
3

4
5
6
7

TOC-750 Series ABS or Copper Free Aluminium For ATEX Versions 
IP65 (using suitable glanding & splash guard) for TOC-750, IP68 for ATEX Versions
0 -95% RH Non Condensing
0-55 Deg C
12-28V DC
IGD 2-Wire Highway Operating IGD S Protocol Using  2 Core Screened Cable
Not Polarity Dependant
5A Non Inductive Loads 230V AC
24V DC 100mA Combined For Both Outputs Typically for LED Beacon Sounders
Suitable for use with TOC-10 Link Function, switch/call point, totalising count
4-20mA, selectable range, units and tag information
Option to Interface to MK3, MK6 or MK7 Pellistors
85dB (Option for TOC-750 Annunciators)
2 x 8 Programmable LCD with RGB Backlight (Option for TOC-750 Annunciators)
Supports IGD Infra-Red, PID, Toxic and Oxygen Gas Detectors

Module PCB Basic Interface Specifications

2

7

5

6

4

3

3

1

1

Содержание TOC-750 Series

Страница 1: ...a t i o n a n d M a i n t e n a n c e V 1 3 5 Document Ref SL 068 v1 35 Operation Manual TOC 750 Annunciator FS646773 EMS696504 Triton House Crosby Street Stockport SK2 6SH internationalgasdetectors c...

Страница 2: ...nce This will usually mean having passed a training competency course International Gas Detectors run training courses for safety survey speci cation installation and service aspects of hazardous gas...

Страница 3: ...between the detector or interface and the control panel using IGD s Sentinel 2 Wire protocol A single 2 Wire Highway can support up to 32 devices interfaced using the module PCB Highways can be up to...

Страница 4: ...tom Either Side Note TOC 750 AN3 Shown 145 0 126 0 128 5 COVER SECURING SCREW M20 x 1 5 40 0 25 0 7 0 EXTERNAL EARTH MKIII FLAMMABLE GAS DETECTOR SHOWN 40 0 110 128 0 The ATEX version uses IGD s JB3 s...

Страница 5: ...ut DVM Test Point DVM Test Point Housing Sealing Environment Temperature Voltage Communication Relay Digital Output Digital Input Analogue I P Pellistor Port Sounder Display Comm Port 1 2 3 4 5 6 7 TO...

Страница 6: ...102 103 101 6 Device Address Table Note that one 2 Wire addressable highway running Sentinel protocol can support up to 32 modules Each module can have up to 8 connected devices IGD Con guration softw...

Страница 7: ...r performance and or damage to system components 2 WIRE SYSTEMS 2 W i r e G a s D e t e c t i o n S y s t e m I n s t a l l e r s G u i d e V x x OLIVER IGD Triton House Crosby Street Stockport SK2 6S...

Страница 8: ...ype Head Head Current Volts MK3 ATEX EXD IIC T6 360mA 2 2V MK6 Safe Area 170mA 2 5V MK7 Safe Area 170mA 2 5V This cable to the pellistor may need to be screened in electrically noisy environments This...

Страница 9: ...reen if IR PID Toxic option activated Flashing green see table LED 4 Lit Green if I O Port 2 option activated Flashing green see table LED 3 Lit Green if I O Port 1 option activated Flashing green see...

Страница 10: ...cating see previous section on Module Indications 00 08 16 24 01 09 17 25 02 10 18 26 03 11 19 27 04 12 20 28 05 13 21 29 06 14 22 30 07 15 23 31 Setting the base address using the button interface se...

Страница 11: ...libration and Zero Gas Bottles 5 4 3 2 1 Notes Diagram indicates a module PCB interfacing to a MK7 Pellistor gas detector Detector could also be an 102 Series ATEX gas detector or TOC 30 Series Safe A...

Страница 12: ...using IGD s interface cable as indicated below Apps can be downloaded from the App store Interface Cable PN TOC CBL SET NOTE When undertaking work with a connected tablet ensure the system controller...

Страница 13: ...o zero the detector Now apply calibration gas as indicated The graph should show the signal rise as the detector responds to gas and gives a visual indication to show when the reading has stabilised O...

Страница 14: ...out 3 Use the UP DOWN buttons to select the left LED for zero mode right LED is CAL mode With the left LED on press and hold the UP button Release when the LED s go out 4 With a zero gas owing allow t...

Страница 15: ...post cal reading check the reading is in tolerance 6 Each LED will blink in series to indicate the update and the module will go back to normal operation NOTE There is no ABORT option so before selec...

Страница 16: ...icates that the PEllistor I O Port 1 and the Relay are activated When reset the default For software versions 2 5 and earlier will be Pellistor input only for a MK6 7 Pellistor with a default address...

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