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01.GENERAL
New features available in enhanced products (1TNA920xxx)
In comparison with classic products (1TNA911xx)
General features
1 One single type of integrated CT ranging from 0.24~63A replaces all 6 types of CTs in previous
products.
2 Products with options for 110VAC or 240VAC power supply and DI types are available in addition to
24VDC option.
3 Additional SOE function in M102 provides event recorder data up to 256 events with time stamp.
4 Products in the same categories are made with the same features and functionalities and are
only different in power supply and communication interface from each type. For example, M101's
range of products has identical functionalities regardless of different types of power supply and
interfaces, such as M101-M 24VDC, M101-P 240VAC, etc.
Physical dimension
1 Main unit dimension remains the same as previous revision. MDx panel is slightly larger in width
and length (both 3mm extra) while cutout dimension remains the same.
Control features
1 Contactor feeder and contactor feeder/RCU are added into starter types.
2 Two separate start types are available for two-speed starters. NR_2N is for two-speed motor with
separate windings while NR_2N Dahlander is for Dahlander connection motor.
3 Control logic in NR_softstarter and REV_softstarter are modified slightly.
4 Control authority feature in M10x-M has been revised to be identical to M10x-P.
Digital inputs and outputs
1 All DIs in M10x are configurable and also selectable with NO or NC.
2 E-stop, Limit 1, Limit 2, External trip input control definition has been revised.
3 More features are added to DOs.
Protection
1 Long start protection is available to provide stall protection during motor startup.
2 Options are provided to enable or disable TOL protection during motor startup.
3 PTC short circuit protection and PTC open circuit protection are available.
Communication
1 Additional communication speeds are available for MODBUS: 38400 bps and 57600 bps.
2 Additional communication option Modbus TCP is added in.
Measuring and monitoring
1 Additional running data are monitored such as current phase unbalance, thermistor resistor, time
to TOL trip, time to TOL reset, startup time, DI status.
2 Phase-to-phase instead of phase-to-neutral voltage is directly measured.
Maintenance
1 More maintenance features are implemented, including providing number of trips, SOE with time
stamp, etc.
Operator panel MDx
1 MDx is provided as IP54.
2 Color and function of LEDs are selectable.
3 Messages on MD21 are selectable.
4 Multiple languages are supported including , English and Chinese.
5 Parameter setting via MD21 is available.
6 Parameter setting port on MDx is mini USB connector in lieu of USB connector.
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General
