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General| Display | 2 line alphanumeric LCD |
|---|---|
| Power Supply | 24 VDC or 100-240 VAC |
| Communication | RS-485 |
| Output Options | 4-20mA |
| Communication Protocol | Modbus RTU |
Monitors up to 3 thermocouples, displays temps, and operates relays for dry type transformers.
Step-by-step instructions for mounting, power connection, and wiring the temperature monitor.
Describes unit use during transformer operation and system testing procedures.
Detailed technical specifications of the unit's capabilities and performance characteristics.
Instructions for configuring the monitor using dedicated software and parameters.
Procedure for field adjustment of monitor setpoints without computer access.
Installation and testing procedures to ensure accurate thermocouple readings.
Explanation of error codes, their causes, and the corresponding system responses.
Specific requirements and considerations for using the monitor in the European community.
Setup and usage instructions for the Modbus communication protocol.
Details on how the 118 and 118H models mount in a panel cutout with dimensions.
Connection details for primary power supply and voltage jumper settings.
Instructions for connecting Type K thermocouples to the unit's input terminals.
Explanation of Alarm and Trip relay contact states and fail-safe settings.
Description of the proportional milliamp output signal for temperature monitoring.
Information on the RS-232 data link for unit setup and configuration parameters.
Details on the optional RS-485 port for Modbus RTU communication.
Describes the 3-digit LED display and individual status LEDs for temperature and status.
Explains status LEDs (FAN, ALARM, TRIP) and the internal buzzer function.
Explains the functions of the MANUAL FAN and SILENCE/TEST buttons.
Details the built-in function to periodically activate fans for a set duration and interval.
Steps to install the ETM Configuration software from the provided CD.
Options for managing configuration files (new, open) and selecting the communication port.
Setting parameters like active channels, setpoints, relay modes, and fan exerciser.
Protecting TC connection terminals from air currents for accurate readings.
Procedures for testing ETM accuracy using a millivolt signal and reference.
Details on failed sensors, converters, EEPROM, display, microprocessor, and connections.
Mounting requirements, mains supply, grounding, and circuit breaker provisions.
Types and locations of the 20A fan fuse and 1A electronic section fuse.
Wiring diagram and function of the RS-485 terminal block connector.
Procedure for setting baud rate, parity, stop bits, and protocol via front panel.
Table detailing Modbus registers for temperature, status, and stored values.
Table listing diagnostic status, phase status, setpoints, and data sent to registers.
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