Varec 8130 Remote Terminal Unit

Options

01 Power Supply

• 110…120 V AC 50/60 Hz
• 220…240 V AC 50/60 Hz
• 18…36 V DC

02 Host Emulation

• None
• TSU Emulation ? for connection to Varec TankView systems
• CIU Emulation ? emulates Enraf model 858 CIU interface

03 Field Communications

• None
• Varec Matrix Communication ? interfaces to Varec Matrix devices (1600/1700) require 8210, 8201 & 8204 Interface Modules
• MODBUS Master Communication*
• CIU communication ? interfaces to existing Enraf 858 CIU devices*
• Veeder Root (TLS 350) Communication*
• Hectronic OptiLevel Communication*

Note! * Using RTU motherboard communications ports

04 Calculations

• None
• Hybrid tank calculations
• Hydrostatic tank calculations

05 Strapping Tables

• None
• Embedded tank strapping tables
• Floating Roof Tank with Floatwell
• Tank Top Mounting
• Bolted Tank
• Cone Roof Tank with Pan (No Floatwell)
• Floating Roof Tank (No Floatwell

06 Approvals

• For use in non?hazardous areas
• FM ? Class I, Division 2, Groups A, B, C & D T3C (with optional NEMA 4 enclosure required)
• CSA ? Class I, Division 2, Groups A, B, C & D (with optional NEMA 4 enclosure required)

INTERFACE MODULES

16-Channel Digital I/O

Interface Module 8201

• 16 digital I/O channels
• 24 VDC, 120 or 240 VAC
• Channels individually configurable for input or output
• Dedicated status LED
• Dedicated fuse for output modules only
• Requires two I/O expansion module slots

MODBUS Dual RS-485

Interface Module 8203

• Dual high-speed communications channels
• Optically isolated
• Up to 32 devices per channel
• Communications with instruments using Rackbus, MODBUS, DDA, or Petrosense Probe protocols
• Requires one I/O expansion module slot

8 Channel Multi-Function

Interface Module 8204

• Isolated analog (4-20 mA), Thermocouple, RTD inputs, high speed pulse accumulation or digital I/O channels
• 24 VDC, 120 or 240 VAC operation
• Individually configurable for input or output
• Dedicated status LED/fuses
• Requires one I/O expansion module slot

16 Channel Analog Input

Interface Module 8205

• 12 bit accuracy A/D with common-mode noise rejection
• Dedicated fused 24V line for each channel
• Throughput accuracy (field to database) = ±0.012%.
• Each channel individually configurable for; 4-20 mA loop powered input, 4-20 mA self powered, voltage input
• Requires two I/O expansion module slots

8-Channel Analog Output

Interface Module 8207

• 16 Bit accuracy D/A converter
• Current or voltage level output (0-24 mA, 0-20 mA, 4-20 mA & 0-5V)
• 8 channels
• Requires one I/O expansion module slot

TIWAY (Texas Inst.)

Interface Module 8208

• Dual high-speed communications channels
• Optically isolated
• Up to 32 devices per channel
• Communications using TIWAY or CIM protocol
• Requires one I/O expansion module slot

Mark/Space (Varec)

Interface Module 8210

• Supports up to 50 tanks
• Communicates using Mark/Space protocol
• Interfaces to the Varec 1900 and compatible tank gauge transmitters
• Requires one I/O expansion module slot

Current Loop

Interface Module 8211

• 20 mA current loop
• Up to 15 devices per channel
• Two channels
• Communicates using GPE or Whessoe Bus protocol
• Requires one I/O expansion module slot

TRL/2 (SAAB)

Interface Module 8212

• Saab (Emmerson) TRL/2 Bus
• Up to 16 Saab Radar Tank Gauges per channel
• Two channels
• Requires one I/O expansion module slot

BPM (Enraf)

Interface Module 8214

• Transformer isolated
• Up to 10 tanks per channel
• Two channels
• Communications with Enraf tank gauges
• Requires one I/O expansion module slot

Tankway (L&J)

Interface Module 8215

• Supports up to 50 tanks
• Communicates using L&J Tankway protocol
• Interfaces to L&J Tankway compatible tank gauge transmitters
• Requires one I/O expansion module slot

LON (Prime/Barton)

Interface Module 8216

• Supports up to 128 tanks
• Communicates with LON Series 3500 TCU
• 78 Kbps twisted pair LON interface
• Requires one I/O expansion module slot

Dual RS-232

Interface Module 8217

• Dual high-speed communications channels
• RS-232 communications
• Communicates with L&J Model 8100
• Communicates with Veeder Root TLS-350
• Communicates with Universal Sensors & Devices CATLAS
• Communicates with Enraf CIU
• Communicates with MODBUS devices
• Requires one I/O expansion module slot