Laurel-electronics LTM CTR SERIES PULSE, AC or PROCESS TOTALIZER INPU User Manual download pdf (Page 2)

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1. ORDERING GUIDE, LTM “CTR” SERIES TRANSMITTERS

Configure a model number in this format: LTM600VF1, CBL04

LTA Transmitter with serial I/O, Modbus or

Custom ASCII protocol. Includes 4-20 mA,

0-20 mA or 0-10V isolated analog output,

isolated 5V, 10V or 15V transducer excita-

tion output, and dual solid state relays.

Default jumpered for full duplex RS485 and

RS232, and 10V excitation.

Main Board

6............................... Standard pulse or AC input

8............................... Extended pulse of AC input

Please see notes for “Extended”

Power

0............................................. 95-240 Vac ±10%

1....................................12-30 Vac or 10-48 Vdc

Relay Output

0................................................................. None

2....................................... Dual solid state relays

Input Type

FR .................. .. Dual Channel Pulse or AC Input

Standard main board

Frequency (2 channels), rate (2 channels), total

(2 channels), period, stopwatch, time interval.

Extended main board

Above plus rate and total simultaneously, linear-

ized inputs using up to 180 points, arithmetic

functions applied to channels A & B (A+B, A-B,

A*B, A/B, A/B-1), phase angle, duty cycle, up/

down counting, batch control.

VF1 ............................... 4-20 mA Process Input

VF2 ............................... .. 0-1 mA Process Input

VF3 ................................. .. 0-10V Process Input

VF1 ............................................ .. Custom Input

Standard main board

Rate or total from analog process signals.

Selectable square root extraction for use with

differential pressure flow meters.

Extended main board

Above plus rate and total simultaneously (analog

totalizer), custom curve linearization using up to

180 points, batch control, and time based on

rate.

QD.................................................. .. Quadrature

Standard main board

Position or length from encoders. Accepts diffe-

rential or single-ended inputs: 1x, 2x or 4x, plus

zero index.

Extended main board

Above plus bidirectional rate (rate and position

or length are not simultaneous).

ACCESSORIES

CBL04 ...... RS232 cable, 3-pin connector on

transmitter end, DB9 connector on

computer end.

CBL02 ...... USB to DB9 adapter cable.

1 2 3 4 5 6 7 ... 39 40

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Laurel-electronics LTM CTR SERIES PULSE, AC or PROCESS TOTALIZER INPU User Manual Page 2

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