Honeywell Enraf Tank Gauging Communication Interface Unit (CIU888)

• Customization: Available
• Certification: JIS, DIN, ANS, GB, CE, RoHS, ISO
• Condition: Original New
• Intended Use: Control room equipment
• Inventory Calculations: Conform API MPMS Ch. 12.1
• Tank Capacity Tables (strapping tables): Up to 5000 straps per tank, 400000 straps total
• Serial Ports: 2x modbus serial (+4 additional ports by using op)
• Galvanic Isolation: 1500 V
• Supported Protocol(s): Modbus RTU
• Typical No. Field Devices: 8
• Baud Rate: 4800 Baud
• Transport Package: Carton
• Trademark: Honeywell

Product Description

Product Description

Honeywell's Enraf Tank Farm Gateway CIU 888 is the critical link between tank gauging equipment and control room systems. It provides the operator with reliable, accurate, real-time tank inventory data 24 hours a day, 7 days a week. Replacing the legacy 858 and 880 series, the CIU 888 serves as the data acquisition unit for tank measurement equipment, continuously scanning gauge data. It is used to calculate accurate tank inventory data according to international standardized calculation methods, such as the API, ASTM, GPA and many others.

All measured and calculated data is directly available for use by host applications such as the inventory management system, the DCS or management information system via multiple dedicated serial host links and network interfaces. Support of multiple protocols guarantees simple and reliable connectivity of installed field equipment to the control room. The modular design provides a flexible upgrade path for the future.

ENHANCED CONNECTIVITY

The CIU 888 (pronounce as "triple eight") series is the first fully Ethernet enabled CIU available in the market. While previous generations of tank interface units have been based mostly on serial interfaces, the CIU 888 offers connectivity via multiple Ethernet ports. Internal firewalls enable safe and secure connections with multiple systems simultaneously, control systems and Office LAN cannot interfere due to strict segregation. A dedicated service LAN 
port on the front provide technicians easy access to configure the unit locally and to communicate with the field equipment. Also here the layered security model (LCSM), with user and access profiles, helps to promote safety and security. 

The CIU 888 robustness is based on strict industrial design rules. All boards are tropcalized (acc. ISA 71.04), and the CAE thermal design using heat-pipes instead of conventional fans results in a full ruggedized, all-solid-state, non-moving parts solution, built to last. Unique redundancy features will ensure uninterrupted data availability to all users. Redundant Ethernet ports complete the redundancy concept, simplifies implementation further reducing costs and ensure uninterrupted availability of data.

An easy-to-read colour display at the front provides diagnostic information, easy to interpreted, supporting faster service. The graphic diagnostic dashboard combined with a ring of light (a color-coded LED ring surrounding the key pad) provides an at-a-glance and unambiguous indicator of system health and availability.

Specification

GENERAL
Description	Field scanning and communication interface for tank inventory applications with optional embedded tank inventory calculation functionality.
Application	For all applications requiring accurate and reliable process and inventory data, such as refineries, tank farms and terminals. Data is suitable for custody transfer, safe product transfer and tank farm operation.
Intended Use	Control room equipment
Legal Metrology and Custody Transfer	Compliant to API-standards as stated by approval and certification by notified bodies as NMI.
FUNCTIONAL SPECIFICATION
Tank Database	80 tanks (one gauge per tank) 40 tanks (two gauges per tank)
Redundancy	Hot standby, real-time synchronization (redundancy controlled by Entis Pro or modbus host)
Supported Gauge Models	All GPU enabled tank gauges (such as 811, 813, 866, 854, 872, 873, 877, 894 , 990, 954) & Emerson TRL/2
Gauge Commands	•Lock test			•Unlock			•Block
	•Freeze			•Calibrate (854, 894)			•Density dip
	• Alarm test (SmartRadar)			• Water dip
Tank Scanning	6 field ports sequential and/or parallel, refresh rate 2-4 sec.1
Inventory Calculations	Conform API MPMS Ch. 12.1
Tank Capacity Tables (strapping tables)	Up to 5000 straps per tank, 400000 straps total
Support API/ASTM Product Calculations	• ASTM D1250-80; conform Vol. X—Tables, 5, 6, 23, 24, 53, 54, 59, 60 and 59, 60 Commodities Product groups A, B, C & D • API MPMS Ch. 11.1 (2007; adj. to ASTM D1250-04 and IP-200)—Tables, 5, 6, 23, 24, 53, 54, 59, 60 and 59, 60; Product groups A, B, C, D • API MPMS Ch. 11.2.4 (GPATP-27)—Tables, 5, 6, 23, 24, 53, 54, 59, 60 and 59, 60; Product group E • ASTM D4311-83—Tables 1 and 2 • ASTM D4311-96—Table 1 • ASTM D4311-04—Tables 1 and 2
Available Gauge Data2	•Product level				•Gauge status and alarms
	•Product temperature				• Vapor temperature
	• Vapor pressure				• Ambient temperature
	• Water level				•Observed density (Servo, HTG, HIMS)
	• Temperature Profiles				•Density Profiles
	•Product pressure
Available (Calculated) Inventory Data	• Volume (TOV, GOV, GSV, NSV)				•Mass (Liquid, vapor, total)
	• Reference density				• Volume correction factor (VCF, CTL)
	• S&W, Vapor (4 types), DCF, TCF, manual CTL				• Volume derived flow
FUNCTIONAL SPECIFICATION (CONT.)
Clock & Time Synchronization		External using Entis Pro or Modbus host systems such as DCS
Supported Engineering Units		Level	m, mm, ft, in, in/16 and ft-in-16 (fis)
		Temperature	°C, °F
		Density	kg/m3, °API, lb/ft3, RD60/60, lb/USgal
		Pressure	kgf/cm2, kPa, psi(g), Pa
		Volume	m3, USgal, bbl, l(L)
		Mass/Weight	kg, lb, metric ton, long ton, US ton
		Flow	m3/min, m3/h, l/min, bbl/min, bbl/h, USgal/min, USgal/h, UKgal/h
Available Tank Correction Methods		•CTSh^3 •Floating Roof Weight
Temperature and Density Profiles		• Temperature profiles - Periodic scanning of temperature profiles data up to 16 points from BPM and TRL/2 gauges and presentation in Modbus output (RTU and TCP/IP) based on configuration. • Density profiles - Density profiles data collection up to 10 density points from Honeywell Servo gauges and presentation in Modbus output (RTU and TCP/IP) based on user command.
HOST CONNECTIVITY
Serial Ports		2x modbus serial (+ 4 additional ports by using optional slots)
Supported Host Protocols		• Serial modbus (Slave) •CIU 858 emulation •CIU 880 Prime/Plus emulation (serial modbus)
Ethernet/LAN		3x Modbus TCP/IP ethernet (FTEA, FTEB and Office LAN)
FIELD CONNECTIVITY
Field Ports		6x option slots (of which 4 ports can be used for serial host connectivity)
Wireless Connectivity		ISA 100 via Honeywell WDM through TCP/IP to serial converters
Available Option Boards		Enraf BPM fieldbus, Serial modbus (master) and Serial GPU input and TRL/2 Fieldbus
COMPLIANCE & CERTIFICATIONS
Electrical Safety		•IEC 61010-1:2010 (3rd edition) •EN 61010-1:2010
European Directives		CE: •2006/95/EC (Low voltage directive) •2004/108/EC (EMC) •CAN/CSA-C22.2 No. 61010-1-12 •UL Std. No. 61010-1 (3rd Edition)
Self Monitoring & Diagnostics		Designed for compliance with NAMUR NE 107
Legal Metrology (Weight & Measures)		•NMI – Netherlands

CIU 888 OPTION BOARD SPECIFICATIONS
ENRAF BPM FIELD BUS CARD (POS 8 TO 13 = B)
Physical Layer	2-wire Bi-phase mark modulated (MIL-STD-1553)
Supported Protocol(s)	Enraf BPM
Typical No. Field Devices	10-15, depending on cable spec and length
Baud Rate	1200/2400/4800 Baud
Distance	10 km or more depending on cable characteristics
Cable Characteristics	1 uF/200 Ohm max.
Type of Galvanic Isolation	Transformer coupled with ground shield
Galvanic Isolation	1500 V
TRL/2 FIELD BUS CARD
Physical layer	Emerson TRL/2 Protocol
Supported Protocol(s)	Modbus RTU
Typical No. Field Devices	8
Baud Rate	4800 Baud
Distance	4 km
Cable Characteristics	18 AWG (minimum) with shielded twisted pair, max 4 kms with max 8 multi drop Gauge connections
Type of Galvanic Isolation	Transformer coupled with ground shield
Galvanic Isolation	1500 V

ENRAF SERIAL COMMUNICATION CARD (GPU MASTER (INPUT), MODBUS MASTER (INPUT) AND MODBUS SLAVE (HOST))
Physical layer	2-4 wire RS-485 or RS-232C
Protocol(s)	•GPU Master (Field communication) •Modbus Master (Field communication) •Modbus Slave (Host communication)
Baud Rate	1200 up to 38400 Baud
Type of Galvanic Isolation	Opto isolation
Galvanic Isolation	1500 V
Number of Modbus Slave Devices (for modbus master field communications)	•32 modbus field devices (RS 485) multi-dropped. •1 modbus field device (RS232) •50 devices can be configured (If connected through a converter/concentrator)
TECHNICAL SPECIFICATIONS—HARDWARE
ELECTRICAL
Power Supply	100-240 Vac, auto ranging (-15% to +10%), 45-65 Hz
Power Rating	Max. 60 VA (35 VA nominal)
Nominal Start-Up Current	60 mA (Fuse: 2A Slow Blow); Start up current is (inrush): 60mA @230V
Over Voltage Category	II (EN60664-1 : 2007)
Cooling System	2 heat sinks with heat pipe design (no moving parts)
Battery	Type 3V, 225mAh (for back-up system clock only—10 yrs. estimated life time)
OPERATING SYSTEM
O/S	Linux Arch
Memory	4 GB Flash memory (upgradable)
USER INTERFACE AND I/O
Front Panel Display	Backlight LCD color display (50 x 38 mm; 320 x 240 pixels) for status and diagnostics
User Input	6 switches with LED (ring of light) status indication
Key Lock Switches	2x (for configuration, resp. W&M sealing)
Serial Ports	2x non-isolated RS-232C
Ethernet Ports	5x 10/100 Mb on back side (future use)
Service Ethernet Port	1x behind front panel—DHCP enabled, auto sensing, 10/100 Mb
ENVIRONMENTAL
Ambient Temperature	0 °C to + 60 °C (32 °F to 140 °F)
Storage Temperature	-20 °C to 85 °C (-4 °F to 185 °F)
Enclosure Classification	Against mechanical impact IP 30 (NEMA 1)
Humidity	0 to 90% non-condensing
EMC Class	CLASS A according to IEC61326 & OIML R85: 2008
MECHANICAL
Materials	•Enclosure: Acryl painted steel •Heat sinks (left and right side): Black anodized aluminum •Front panel: ABS/PPE
Dimensions (WxHxD)	400 x 93 x 283 mm (15¾ x 3¾ x 11¼ in.)
Weight	~ 7.5 kg (16.5 lb) (excluding option cards)
Installation	Wall mounting, 19” rack or table top (see Accessoiries)
Max. Load on Top (Table Top Use)	10 kg (22.0 lb)

AVAILABLE ACCESSORIES
19" installation bracket			Part no. A0888904
Wall mounting bracket			Part no. A0888903
Set Ethernet Cables			Part no. A0888911
Set Ethernet cables			Part no. A0888911
1 SYNC link	Orange	1 meter
2 FTE	Yellow/Green	3 meter
1 LAN	Blue	2 meter
1 Remote Access	Red	3 meter
1 Service Port	Grey	3 meter

Please enter the title here

Rear view (left to right)

- LCD color display for status and diagnostics 

- Convenient lid automatically covers access to Service- and USB-port and keys for Configuration lock and W&M sealing 

- Navigation keys and ring of light showing CIU status

- Two serial host ports: Compatible with Entis Pro 

- VGA & Audio (future use)

- Two USB ports: Auto-disabled (future use) 

- 5 dedicated Ethernet ports, segregated by Firewall 

- 6 flexible field and Host communication ports

Ordering Guide

Company Profile

BNSENS (Nanjing) Sensor Technology Co., Ltd. is located in Nanjing, China. It is a high-tech enterprise specializing in the development, manufacturing and trade of sensor products. The company has brought together a group of outstanding technical experts in various fields such as automation, electronics, machinery and computers. All employees of the company have college degrees or above. It adopts the world-class management and operation model and 6 sigma quality system. At present, the company's main products are pressure, liquid level, flow, current, switches, etc. The company's users are all over the country, and some products have been exported to Japan, South Korea and Southeast Asia.

Since its inception, the company has been based on the technical accumulation and management standards of American sensor giants. It is composed of senior engineers and managers who have served in multinational companies for many years, and has rapidly developed various pressure sensors, transmitters, liquid level, flow meters, pressure switches, digital meters, current sensors, proximity switches and other products. After years of unremitting efforts, it has become one of the leading suppliers in the domestic automation industry. Our pressure transmitters can achieve an accuracy of more than 3/10,000. The products have been widely used in oil, natural gas, electricity, chemical industry, metallurgy, building materials, food, light industry, environmental protection, aerospace, tap water, municipal and other industries.

It is a sensor science and technology innovation company that masters the core technology of MEMS chips. The company has a research and development center in Minnesota, USA. The leader is Dr. Pan Hanjin, a famous scientist in the sensor industry. Dr. Pan Hanjin has been deeply involved in the sensor industry for more than 20 years and is an expert in the sensor industry.

The company has a number of ASIC chips independently developed, which are widely used in industrial, automotive, home appliance and other markets.

BNSENS (Nanjing) Sensing Technology Co., Ltd. is a strategic partner of Honeywell in China. The two parties proposed a plan of East serving East and jointly developed several sensors specifically for the Chinese market. These sensors will be widely used in intelligent manufacturing, Internet of Things, artificial intelligence, and smart home fields. These sensors include: magnetic sensors, temperature sensors, humidity sensors, force sensors, fire water pressure sensors, equipment vibration sensors, human body status monitoring sensors, motion sensors, etc.

History of BNSENS Company:

BNSENS is a company focusing on sensors, instruments, and electronic components. We are a young company, founded in 1999, just 25 years old, and we are still growing.

1999: The company's first pressure sensor was launched, mainly for the petroleum and petrochemical industries.

2002: The company expanded its product line and launched temperature sensors

2005: Started producing high-precision pressure sensors for the test and measurement market

2006: Became an official authorized agent of Honeywell

2009: Introduced the Six Sigma management system, and the product qualification rate was greatly improved

2010: Became a supplier of Emerson

2011: We started selling SICK sensors

2014: Introduced the sensor production line from Germany, developed more industrial control sensors, and cooperated with TSMC

2015: Cooperated with Siemens in Vietnam

2017: The factory moved to Nanjing High-tech Zone

2019: Became a national high-tech enterprise in China

2023: We started selling products from Infineon and Rohm

2025: We started cooperating with Fluke

BNSENS,The Future Starts Here.