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MLS300 Speciﬁcations

Operator Interface

• 32-character vacuum ﬂuorescent display

• Eight-key keypad to access guided menus and prompts,

enter passkey sequence, set values, switch between single

channel and multiple channel displays

• Controller’s conﬁguration can be loaded through the

standard serial port

Analog Inputs

• MLS316 16 Differential

• MLS332 32 Differential

Noise Rejection

• 120dB at 60Hz

Temperature Coefficient

• 40 ppm/°C

Temperature Sensors

• Thermocouples: User selectable type, direct connection,

linearization, reference junction compensation, reversed

and shorted T/C detection and upscale break protection

with output averaging.

• RTD: 2 or 3 wire, platinum, 100Ω @ 0°C,

DIN 0.003850Ω/Ω/°C curve, user-selectable range.

Two user-selectable ranges offer different resolutions.

Requires special inputs. See Ordering Information.

Input Range and Accuracy

Sensor Range (°C) Range (°F) Accuracy

Type B 66 to 1760°C 150 to 3200°F ±4.0°C

Type E -200 to 787°C -328 to 1448°F ±1.0°C

Type J -212 to 760°C -350 to 1400°F ±1.2°C

Type K -268 to 1371°C -450 to 2500°F ±1.3°C

Type R -18 to 1766°C 0 to 3210°F ±2.8°C

Type S -18 to 1760°C 0 to 3200°F ±2.8°C

Type T -268 to 399°C -450 to 750°F ±1.6°C

RTD1 -100.0 to 275°C -148.0 to 527.0°F ±1.1°C

RTD2 -120 to 840°C -184 to 1544°F ±1.6°C

Note: Accuracy @ 25°C (77°F) ambient. Valid for 10 to 100

percent of span except Type B, which is speciﬁed for 427°C

(800°F) to 1760°C (3200°F). RTD is for 100 percent of span.

Linear Voltage and Current Inputs

Requires special inputs. See Ordering Information.

0-10mAÎ(dc)

0-20mAÎ(dc)/4-20mAÎ(dc)

0-100mVÎ(dc)

0-500mVÎ(dc)

0-1VÎ(dc)

0-5VÎ(dc)

0-10VÎ(dc)

0-12VÎ(dc)

Other ranges available. Consult factory.

Pulse Input

One TTL-level square wave input up to 2kHz

Input Sampling Rate @ 60Hz

Each channel has the following scans per second:

•

MLS316: 1.5 samples per second, (update time: 0.667 sec.)

•

MLS332: 0.75 samples per second, (update time: 1.33 sec.)

Internal Measurement Resolution

• 0.006 percent, greater than 14 bits

Calibration

• Automatic zero and full scale

Digital Inputs

• TTL level used for selecting recipes or jobs, or R/S triggers

• Eight inputs and one pulse input with 50-pin terminal board

option

Digital Outputs

• 34 outputs available with 50-pin terminal board option

• One or two control outputs are user assigned for each loop

• Each control output can be conﬁgured for on-off, time

proportioning or distributed zero crossing

• Outputs sink up to 60mA each at 5VÎ(dc)

Alarm Outputs

• Independent process and deviation alarms for each channel

• Alarms can operate any output not used for control

• Programmable deadband, delay and startup suppression

• Global alarm output activates when any alarm occurs

• Watchdog output indicates controller is functioning correctly

Serial Interface

• EIA/TIA-232 or EIA/TIA-485

Baud Rate

• 2400, 9600 or 19200, user-selectable

Communication Protocol

• Modbus

™ RTU

Line Voltage/Power

• 15 to 24VÎ(dc) ± 3VÎ(dc) @ 1A

Agency Approvals

• UL

, C-UL

Listed: UL

916, Standard for Energy

Management Equipment

• CE Mark: Electromagnetic Compatibility (EMC) Directive

89/336/EEC

Firmware Options

Choose ﬁrmware with the features needed for the applica-

tion:

• Standard—includes closed-loop PID control, auto-tune,

alarms, job memory and failed sensor detection.

• Extruder— includes the standard ﬁrmware features, with

PID control speciﬁcally adapted for plastic extruders.

• Ramp and Soak—includes the standard ﬁrmware features

with the addition of ramp and soak and process variable

retransmit. Each channel can be conﬁgured for standard

PID control or ramp and soak operation. Unused control

outputs on any channel can be conﬁgured for retransmit.

• Enhanced Features— includes the standard ﬁrmware

features with the addition of process variable retransmit,

remote analog setpoint, cascade control, ratio control

and differential control algorithms. Each channel can be

conﬁgured for standard PID control or one of the other

control algorithms. Each channel of cascade control or

remote analog setpoint requires two controller channels.

Unused control outputs on any channel can be conﬁgured

for retransmit.

Because the MLS300 has no onboard analog outputs,

applications that use process variable retransmit typically

require one SDAC module per retransmitted signal.

Input Module Options

Choose the input module appropriate for the application:

• AIM316 and AIM332 provides screw terminations for

16 or 32 sensors

• CIM316 and CIM332 provides DB-50 connector

terminations for 16 or 32 sensors in a compact size

Modbus

™

is a registered trademark of AEG Schneider Automation.

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