MASTER
TRACE
3.3
Chapter 3
Product Description
3.3 Control Module Specifications
3.3.1 MS-1DIN2 Control Module
Temperature Input
Range: -50°C to +500°C
Accuracy: ±2°C
Repeatability: ±1°C
Sensor: Two 100 ohm, Platinum, 3-wire RTD
per point
20 ohm maximum lead resistance
Heater Switching
Number of Switches: One dual pole
Switch Rating: 30A @ 280Vac max
Current Measurement: 0.1 to 30A 3%±0.2A
GF Measurement: 10 to 1000mA 5% ±2mA
Voltage Measurement: 0 to 300Vac 3%±2V
Control Power
Power Requirements: 20VA @ 120Vac, 50 or 60Hz
Communications
Communication Ports: (1) Parallel Local Interface connection
(2) Serial network connections
Serial Communications
Type: RS485
Protocol: Modbus® RTU.
Transmission Rate: 600, 1200, 2400, 4800, 9600 baud.
Interconnect: 2-wire, shielded, twisted pair.
Highway Distance: 4,000 feet without repeater.
Modules per Highway: (1) Interface and (30) Control Modules.
Measured Values
Temperature: -50 to 500°C (-58 to 932°F)
Minimum Temperature: -50 to 500°C (-58 to 932°F)
Maximum Temperature: -50 to 500°C (-58 to 932°F)
Heater Current: 0.1 to 100A
Ground Fault Current: 0.01 to 1.0A
Heater Voltage: 0 to 300Vac
Heater Utilization: 0 to 100%
Power Consumption: 0 to 1,000 MWh
Operating Cost: 0 to $1,000,000.00
Environment
Approval: CSA NRTL/C for Ordinary areas
Operating Range: -40°C to +60°C
Conformal Coating: Boards conformal coated for hostile
environments
Alarm
Alarm Output: Programmable for NO or NC contacts
One DC opto-isolated contact
One dry mechanical contact
Alarm Output Rating: DC contact: 30Vdc/0.1A, 500mW max
Dry mech contact: 120Vac@1.0A max
Alarm Light Output: LED Indicator: 12Vdc/30mA
Alarm Messages
Temperature: High Temperature Alarm
Low Temperature Alarm
Current: Low Current Alarm
High Current Trip
Ground Fault Current: Ground Fault Current Alarm
Ground Fault Current Trip
Voltage: Low Voltage Alarm
Hardware: Self-Check Failure
Switch Shorted
RTD Open
RTD Shorted
User-Settable Options
Heater Status: Enable or Disable
Heater Name or Tag: 16 Character Alphanumeric
Temperature Units: °C or °F
Control Strategy: On or Off
Deadband: 0 to 50C° (0-90F°)
Temperature Setpoint: 0 to 500°C (32 to 932°F)
High Temp Alarm: 0 to 500°C (32 to 932°F)
Low Temp Alarm: -50 to 500°C (-58 to 932°F)
High Current Alarm: 0.5 to 30A
Low Current Alarm: 0.5 to 30A
High Current Trip: 0.5 to 30A
Ground Fault Alarm: 0.01 to 1.0A
Ground Fault Trip: 0.01 to 1.0A
TraceCheck Interval: 1 to 24 hr.
Low Voltage Alarm: 0 to 300Vac
RTD Control Strategy: Single, Backup, Highest, Lowest,
Average or High Temperature Cutout
RTD Fail-safe: Heater On or Heater Off
Master Override Input: On or Off
Alarm Contacts: NO or NC for each contact
Alarm Light: Alarm on, Alarm off, Flash during alarm
then on, Flash during alarm then off
Specifications subject to change without notice.
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