Product Catalog
Remote Terminal Units

q

On-board I/O

8 AI, 4 DI, 2 DO

Max I/O w/RemoteTRAK or SixTRAK

2048

Mini-VersaTRAKs per system

16,000 Addresses

Required supply voltage

10-30 VDC

   With SixTRAK

18-30 VDC

Typical power consumption

2 Watts

Analog inputs on-board

8 channels

Input range

4-20 mA

A/D resolution

16 bits (0.003 %)

Full scale accuracy (@ 20 ° C)

+/- 0.025 %

Input span and offset adjustability

+/- 25 %

Span and offset temp. coefficient

+/- 50 ppm per ° C

Input impedance

100 Ohm

DMRR (differential rejection)

66 db at 50/60 Hz

Peak voltage input protection

100 VDC

Input current protection

Replaceable shunts

Max. scan rate (all 8 channels)

500 mS

Discrete inputs on-board

4 channels

Input range

10-30 VDC

Guaranteed OFF current

1 mA DC

Guaranteed OFF voltage

3.5 VDC

Input resistance

2.2K Ohms

Nominal input current

10 mA

Fast DC mode ON/OFF delay

4 mS

Filtered mode ON/OFF delay

25 mS

Max. count frequency

50 Hz

Max. scan rate (all 4 channels)

10 mS

Isolation from internal circuitry

1200 Volts

Discrete outputs on-board

2 channels

Output range

10-30 VDC

Max. output current

1 Amp per channel

Min. load current per channel

0.1 mA

Max. OFF state leakage current

0.01 mA

Inrush current (100 mS surge)

10 Amps

Typical ON resistance

0.25 Ohms

Typical ON voltage drop (@ 1 Amp)

0.3 VDC

Isolation from internal circuitry

1200 Volts

VT-PB8 discrete I/O board

Optional. See VT-PB8

RemoteTRAK I/O modules

Optional. See RemoteTRAK Product Family

SixTRAK I/O Modules

Optional. See SIXTRAK Product Family

RAM memory (battery backed)

256K, 1MB, or 2MB

Usage

Programming and datalogging

Battery type

Rechargeable lithium

Max. back-up time after full charge

1 Year

Typical battery life

10 Years

Flash memory (non-volatile)

1 Megabyte

Usage

Firmware storage and archiving program and project files

Real-time clock

For datalogging and more

Resolution

10 mS

Accuracy (typical)

+/- 15 Seconds per month

Communications

2 or 3 ports

Serial port protocols

Modbus ASCII & RTU(master & slave modes), SIXNET Universal

Plant floor port

RS232

   Maximum baud rate

38400 baud

Main port

RS232 or RS422 / RS485

   Maximum baud rate

57,600 baud

Party-line operation

2 or 4 wire (with RS422 / RS485 port)

Telephone modem support

Transparent over any auto-answer modem

Multi-drop radio links

Half and full duplex supports delayed transmitter keying

RS485 port (VT-M2-224-xxP)

2-wire RS485 (screws) w/hardware termination

Maximum baud rate

38400 baud

Max. RS485 /RS422 cable distance

1 km w/ 24 AWG wire & 57,600 baud

2 km w/ 20 AWG wire & 38,400 baud

3.5 km w/ 18 AWG wire & 19,200 baud

General characteristics

Operating temperature range

-30 to 70 ° C

Storage temperature range

-40 to 85 ° C

Humidity (non-condensing)

5 to 95% (consult factory for conformal coating option)

Flammability (module plastic)

UL 94V-0 materials

Electrical safety

UL 508, CSA C22.2/14; EN61010-1 (IEC1010), CE

EMI emissions

FCC part 15, ICES-003, Class A; EN55022, CE

EMC immunity

EN50082-1 (IEC801-2, 3, 4) CE

Surge withstand

IEEE-472 (ANSI C37.90)

Vibration

IEC68-2-6

Hazardous locations

UL 1604, CSA C22.2/213-M1987, (Class I, Div 2, Groups A, B, C, D), EN50021 (zone 2)

Marine/offshore locations

Det Norske Veritas (DNV) No. 2.4 (Class A and B)