Industrial IoT Safety Platform
Industrial H₂S Safety Monitoring

The Tasman Tanning Company LtdH₂S Plant Monitor

Real-time Modbus PLC monitoring, intelligent gas safety analytics, and instant alerting for factory H₂S detectors.

Live H₂S readings via Modbus TCPAutomatic polling, byte-order handling, and detector status tracking
Safety threshold alertsWarning, alarm, danger, offline, calibration, and disabled sensor events
Factory dashboard and analyticsArea overview, floor map, history, reports, and email delivery logs
PLC Connection Checking PLC status… Reading live connection state
H₂S Plant Monitor
The Tasman Tanning Company Ltd
Secure admin access

Welcome back

Sign in to access the monitoring dashboard

Back to Live Dashboard --:--
H2S MonitorAdmin Panel
Overview
Dashboard Alert History0 Reports
Configuration
Floor Designer General PLC / Modbus Email Alerts SMS / Escalation Sensors29 Areas
System
System Info Security & Users
Live Dashboard
Dashboard
Connecting…
Overview
Live control centre

Factory H₂S Safety Overview

One-page operational view for sensors, PLC health, open alerts, and high-risk factory areas. Designed to fit cleanly on browser and factory PC screens.

Open Live Dashboard
PLCChecking…Connection status
Highest PPM–Current readings
Open Alerts00 danger
29
Sensors
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Normal
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Warning
–
Alarm
–
Danger
–
Offline
–
Disabled
PLC Connection
–
–
Uptime–
Poll–
WS Clients–
Byte Order–
Recent Alerts View all →
No recent alerts
Area Risk Snapshot highest live reading by area
Loading area risk…
Quick Operations
Alert History & Workflow
0New
0Acknowledged
0Resolved
0Open Danger
PDF
TimeSensorLocationLevelValueWorkflowEmailActions
No alerts recorded
Reports & Trend History
Safety analytics

H₂S readings, alerts, trends, and export reports

Review live history by range, sensor, and status. Use the exports for toolbox meetings, maintenance review, and safety records.

History Not loaded
Readings CSV Alerts CSV PDF
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Readings
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Alerts
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Danger Events
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Resolved
–
Warnings
–
Alarms
–
Highest PPM
–
Offline Events
H₂S Trend SnapshotLast 24 hours
No reading history yet
Smart Summary
Load a report to see insights
Latest Events
No events loaded
Sensor PerformanceSorted by highest reading
SensorAreaReadingsMaxAvgWarningAlarmDangerHealth
Floor Designer
Ultra modern map editor

Design the factory floor like a real visual editor

Use zoom, pan, snap, multi-select, lock, layers, properties, custom equipment, roads, labels, and sensor placement in one workspace.

Drag & resize Keyboard shortcuts
Place & arrange equipment · Drag sensors onto objects to attachTip: Ctrl/Shift-click for multi-select
General Settings
Site identity & browser experience

General Settings

Control the name, company branding, and dashboard logo used across Admin, Live Dashboard, email templates, and reports.

H2S MonitorCompany
Site Identity used everywhere in the system
Shown in the sidebar, login screen, live dashboard, and browser title.
Shown in exported reports and email footer branding.
Branding synced to dashboard Logo can appear in emails when BASE_URL is configured Reports use same site identity
Logo & Brand Preview
No logo
PNG/JPG recommended SVG is sanitised Max 2 MB
PLC / Modbus Settings
Connection
Minimum 1000 ms to prevent live dashboard flicker/freezing.
Simulation Mode
Generate synthetic data for testing
Modbus Info
ProtocolModbus TCP
Function CodeFC03 – Read Holding
Data Type32-bit IEEE 754 Float
Registers400001 – 400057
Read StrategyBatch (58 registers)
Sensors29 across 4 areas
Email Alert Settings
SMTP Configuration
Email Alerts Enabled
Send email on threshold breach
Use SSL/TLS (port 465)
Shown as the friendly sender name in alert emails.
Minimum time between repeated alerts per sensor
Test email is sent only to the admin email saved in User Profile. Alert recipients are not used for test emails.
Alert Types
Recipients Choose alert types per recipient
No recipients yet
SMS Everyone NZ & Escalation Rules
Critical notification control

SMS, escalation, delivery tracking, and email template preview

Configure who receives SMS alerts, which alert types use SMS, when unresolved dangers escalate, and review every delivery attempt.

SMS status not checked
SMS Everyone NZ Password encrypted
SMS Alerts Enabled
Send SMS for selected alert types using SMS Everyone REST API.
Use the sender ID approved in your SMS Everyone NZ account.
Prevents repeated SMS spam for the same condition.
Add recipients to preview normalised numbers
SMS alert types
Escalation Rules Auto follow-up
Escalation Enabled
Repeat notification when a serious issue is not acknowledged or resolved.
1
Danger activeNotify again when danger continues.
min
2
UnacknowledgedEscalate if nobody acknowledges.
min
3
Sensor offlineNotify if sensor stays offline.
min
4
Disabled overdueNotify if sensor stays disabled past scheduled re-enable.
min
↻
Repeat intervalSend repeated escalation every.
min
Delivery Log
No delivery logs yet
Email Template PreviewLive preview in light email style
Sensor Management
Detector command panel

Sensor Management

Manage detector registers, calibration offsets, enable/disable workflow, and current health from one clean operator-friendly screen.

Total0
Online0
Warnings+0
Disabled0
Global H₂S Thresholds applies to live cards, floor capsules, alerts and emails

Set Warn, Alarm and Danger once for the full system. These values are used by every sensor and all reporting/notification logic.

Sensors search, filter and open detail popups
#NameLocationDetector No.Vortex Ch.RegisterFloat OrderOffsetCal. DateStatusActions
Area Management
Factory Areas

Create and maintain factory areas used by Sensor Management, Floor Designer, and the Live Dashboard.

0Total Areas
0Assigned Sensors
Quick Action
New areas automatically appear in Sensor Management, Floor Designer, and the live area cards.
Areas
Area NameIconSensorsColorActions
System Information
Live Status
Uptime–
PLC Address–
Connection–
Simulation–
WS Clients–
Total Sensors–
Enabled–
Total Alerts–
Area Summary
User Profile
U
My account

User

@user · Access level

viewer
Role–
Email–
Profile Details used for display and admin test emails
The SMTP test email is sent only to the admin profile email below, not to alert recipients.
Change My Password keep account access secure
Use a strong password Never share admin credentials
Security & Users
Access control

Security & Users

Manage operator accounts, role access, password changes, and account status with safer confirmation workflows.

Total Users0
Admins0
Disabled0
Change Password current logged-in account
Role Guide
AdminFull access, users, settings, alerts
TechnicianDashboard, sensors and areas
StaffDashboard, alerts, reports
ViewerRead-only dashboard and reports
Keep Node behind Nginx/SSL and avoid exposing the app port directly to the internet.
Users role and account management
UserRoleEmailStatusActions
Edit Sensor Configure detector identity, calibration, Vortex channel and Modbus mapping.
Physical detector number from the site schedule.
This is the Vortex panel channel number.
400001 = offset 0, 400003 = offset 2.
Leave as global unless this sensor needs a different float conversion.
These fields are saved when the sensor is disabled and shown in dashboard/safety workflow.

Sensor Enabled

Disabled sensors are excluded from readings and alerts.

System ID: – Detector: – Vortex Ch: – Reg: – Offset: – Float Order: Global Type: Float
Sensor Details
Disable Sensor

Disable sensor?

Disabled sensors are excluded from readings and alerts until they are enabled again.

This action creates a Sensor Disabled alert and can notify configured recipients.
Add Area
Add User
Leave blank to keep existing password
Account Enabled
Confirm Action

Please confirm this action.