Datasheet

ManualsBrandsLinak ManualsAutomationController for Linear Drives 12...35 VDC

rev.2 page 1 of 3

TR-EM-208 STARTER AND CURRENT LIMIT

FOR DC-MOTORS 12-35V 1-20A

FEATURES

• soft start

• soft stop

• limit switch input (stop)

• brake

• adjustable current limit

• impulse / continuous

• pos. / gnd control logic

• cmos / TTL / switch

• thermal protection

TR-EM-208 is designed specially for spindle motor

use. Adjustable soft start, soft stop and current limit

are main features of the card. Additionally impulse or

continuous type control can be selected as the

control mode. Control input can be set to positive

or negative (gnd) logic. Card has control inputs for

forward, reverse and stop commands.

Stop has the highest priority and will be executed

even if forward or reverse command is on. After stop,

restarting can be done in both directions or only in

reverse direction, according to condition setting.

During acceleration ramp and settling time the motor

current is limited to 150% of the adjusted current limit

value. After this start period, exceeding current limit

will stop motor immediately. Current limit activation will

always be indicated with error output and error led.

In overheat situation the thermal protection will be

activated and it will switch off the control. This will be

indicated with error output and with led blinking.

TECHNICAL DATA

supply 12-35Vdc (ripple max. 30%)

max. current 12A cont.

20A 30% on / 70% off

idle current 10mA typically

current limit range1 1-5A (start 1.5x)

range2 5-10A (start 1.5x)

range3 10-20A (start 1.5x)

therm. protection 120°C

start ramp 0-3s adjustable

free deceleration 0-3s adjustable

operating freq. 2kHz

voltage loss 0.6V ( Im 12A )

control inputs "1" = 4-30Vdc , "0" = 0-1V

error output NPN open-coll. 30V 50mA

oper. temp. -10...60°C

weight 105g

Specifications subject to change without prior notice.

The specified product is a third party product that is produced by Electromen OY

and distributed by LINAK as a supplement to LINAK´s existing product range. It

is the responsibility of the product user to determine the suitability of the

products for a specific application. LINAK will at point of delivery

replace/repair defective products covered by the warranty if promptly returned

to LINAK. No liability is assumed beyond such replacement/repair.

Summary of content (4 pages)

PAGE 1
rev.2 page 1 of 3 TR-EM-208 STARTER AND CURRENT LIMIT FOR DC-MOTORS 12-35V 1-20A FEATURES • soft start • soft stop • limit switch input (stop) • brake • adjustable current limit • impulse / continuous • pos. / gnd control logic • cmos / TTL / switch • thermal protection TR-EM-208 is designed specially for spindle motor use. Adjustable soft start, soft stop and current limit are main features of the card. Additionally impulse or continuous type control can be selected as the control mode.
PAGE 2
rev.
PAGE 3
rev.2 page 3 of 3 TR-EM-208 TIMING CHART A: Normal start with forward command. Motor voltage will rise along accel.-ramp (ramp time A->B adjustable 0-3s). C: Command aborted, motor voltage drops, motor runs freely during free deceleration C->E (time adjustable 0-3s). New commands (D) won’t affect the operation. After free deceleration, the controller will switch to braking at point E, in other words motor poles will be short circuited (braking). With impulse control either “new” command will stop.
PAGE 4
TR-EM-208 Housing options TR-EM-208-R TR-EM-208-H 89,6 mm Fits to 35 mm DIN-rail or C-rail.