[MODULE_01] // PROCESS_CONTROL

Automation &
Control Systems

RELIC Engineering's flagship service — delivering precision industrial automation using Horner PLC systems, SCADA integration, and field-proven control architectures across Trinidad's most demanding process industries.

FLAGSHIP SERVICE — RELIC ENGINEERING

// FEATURED_PLATFORM

Horner APG PLC Systems

HORNER APG — XL PRIME TANK LEVEL MONITOR v2.1 RELIC-ENG // CCNO SITE T-01: 78% T-02: 65% T-03: 90% T-04: 37% TREND: OIL TEMP (°C) ● RUNNING ● COMMS OK ● NO ALARMS I/O MODULES DI-01 PUMP RUN DI-02 HI LEVEL DI-03 LO LEVEL DO-01 VALVE DO-02 ALARM AI-01 4-20mA AI-02 PT100 AO-01 VFD ETH RS485 USB RUN ERR

RELIC Engineering specialises in Horner APG All-in-One Controllers — combining PLC, HMI, I/O, and networking in a single compact unit. Ideal for Trinidad's oil & gas, agriculture, and utilities sectors where panel space, reliability, and remote access are critical.

XL Prime Series
High-performance OCS with built-in colour touchscreen, Ethernet, CAN, and serial communications. Suited for complex process control and data-intensive applications.
OCS Controllers (RCC / XL7 / XL4)
Compact all-in-one units for standalone control, remote monitoring, and panel-mounted HMI applications across utilities and agricultural automation.
Cscape Engineering Software
Full IEC 61131-3 programming environment covering Ladder Diagram, Function Block, and Structured Text — used by RELIC for all configuration, commissioning, and remote diagnostics.

// VISUALISATION

SCADA & HMI Graphics

RELIC SCADA — CCNO OIL STORAGE OVERVIEW — LIVE VIEW ● CONNECTED
CCNO OIL STORAGE — TANK FARM OVERVIEW RELIC-ENG-01 // AUTO MODE // 09:47:22 TANK-01 CRUDE OIL 78% 156 BBL OUTLET TANK-02 CRUDE OIL 65% 130 BBL OUTLET TANK-03 ⚠ HI ALARM 90% 180 BBL OUTLET TANK-04 CRUDE OIL 37% 74 BBL OUTLET COMMON OUTLET HEADER — 4" SCH40 PUMP P-01 ● RUN 12.4 Hz VFD SPEED 41.3% ACTIVE ALARMS 09:31:04 TANK-03 HIGH LEVEL ALARM — ACK REQUIRED 08:12:55 PUMP P-01 HIGH TEMP WARNING — MONITORING
P&ID — COOLING WATER SYSTEM — DWG-RELIC-CW-001
COOLING WATER MONITORING SYSTEM — P&ID RELIC ENGINEERING // REV A // INSTRUMENT GRADE T-101 CW TANK LT 101 4-20mA TT 102 PT100 RELIC // HORNER XL PRIME // CW CONTROLLER INLET FCV 101 OUTLET P-101 VFD FT 103 TO PROCESS PI 104 DRAWING INFORMATION CLIENT:RELIC ENGINEERING PROJ:CW MONITORING SYS DWG:RELIC-CW-P&ID-001 REV:A — ISSUED FOR REVIEW DATE:2025-03-12 ENGR:J. GALLAN — RELIC ENG LEGEND PROCESS PIPE INSTRUMENT SIGNAL INSTRUMENT

// PROGRAMMING

Ladder Logic — Cscape

// RELIC-ENG // TANK LEVEL CONTROL // RUNG 004 — PUMP START INTERLOCK
L1 L2 R004 TANK_HI DI:00001 PUMP_FLT NC DI:00003 AUTO_MODE %M0001 PUMP START DO:00001 R005 PUMP_START TON TIMER T#30s // PUMP_RUN_TMR %T0001 // %MW0010 RUN ALARM // R004: START PUMP IF TANK HIGH AND NO FAULT AND IN AUTO MODE // R005: TIMER — ALARM IF PUMP RUNS > 30s WITHOUT LEVEL CHANGE

// COMMUNICATIONS

Industrial Protocols

Ethernet/IP
Industrial Ethernet
Modbus TCP
TCP/IP Protocol
Modbus RTU
Serial RS-485
CANbus
Controller Area Network
MQTT
IoT Messaging
Data Logging
Historian / SD Card
Alarm Mgmt
ISA-18.2 Standard

// SERVICE_CAPABILITIES

Engineering Services

System Design
  • PLC architecture & sizing
  • I/O selection & mapping
  • Control panel design
  • Electrical drawings
  • Instrument loop checks
💻
Programming
  • Cscape ladder logic
  • Function block diagrams
  • HMI screen development
  • Alarm configuration
  • Data logging setup
🔧
Commissioning
  • Factory Acceptance Testing
  • Site Acceptance Testing
  • Instrument loop checks
  • Network integration
  • Operator handover
🔄
Upgrades & Migration
  • PLC upgrades
  • Legacy PLC migration
  • System documentation
  • Troubleshooting
  • Preventive maintenance

// COMPLETED_PROJECTS

Featured Projects

OIL TANK LEVEL MONITORING // RELIC-ENG 72% T-01 65% T-02 93% ⚠ HI T-03 HORNER OCS — MODBUS RTU — 4x ULTRASONIC SENSORS
// OIL & GAS // LEVEL CONTROL
Oil Tank Level Monitoring System
Multi-tank ultrasonic level monitoring with Horner OCS, real-time HMI display, high-level alarms, and Modbus RTU communications to supervisory system.
4Tanks
24/7Monitoring
Modbus RTUProtocol
CCNO OIL STORAGE AUTOMATION // RELIC CCNO STORAGE SITE BOUNDARY T1 T2 T3⚠ T4 HORNER XL PRIME ● RUN ETHERNET/IP SCADA — 4 TANKS — AUTO PUMP CONTROL
// OIL & GAS // AUTOMATION
CCNO Oil Storage Tank Automation
Full automation of CCNO crude oil storage facility — Horner XL Prime PLC with Ethernet/IP SCADA, automated pump sequencing, and multi-tank alarm management.
4Tanks
Ethernet/IPProtocol
SCADAIntegration
OIL TRUCK OFFLOADING // RELIC-ENG TANKER OIL TRUCK FT 201 43% STORAGE HMI ● LVL OK ● FLOW OK AUTO HORNER OCS — FLOW METER — AUTO CUTOFF VALVE
// OIL & GAS // METERING
Oil Truck Offloading Tank Level Indicator
Automated truck offloading system with flow metering, automatic cutoff valve control on high-level, and local HMI display for operator oversight during transfers.
AutoCutoff
FlowMetered
HMIDisplay
COOLING WATER MONITORING // RELIC 40°C 30°C 20°C ALARM SETPOINT TEMPERATURE LEVEL HORNER XL4 — PT100 — 4-20mA ULTRASONIC — ETHERNET/IP
// UTILITIES // MONITORING
Cooling Water Tank Monitoring
Continuous temperature and level monitoring of cooling water system with trend logging, alarm setpoints, and Ethernet/IP integration to plant supervisory network.
PT100Temp Sensor
4-20mALevel
TrendLogging
TEMPERATURE HOLDING TANK // RELIC SP: 85°C 85°C 75°C 65°C PID TEMP CONTROL — HEATER OUTPUT — SETTLING TIME: 4.2min HORNER OCS — TC INPUT — ANALOG HEATER OUTPUT — CSCAPE
// PROCESS // PID CONTROL
Temperature Holding Tank Automation
Closed-loop PID temperature control for industrial holding tank — thermocouple input, analog heater output, Cscape-tuned PID achieving ±0.5°C steady-state accuracy.
±0.5°CAccuracy
PIDControl
4.2 minSettle Time

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