Presys Instruments DMY - 2015
EM0068-01
TABLE OF CONTENTS
Page
1.0 - Introduction...................................................................................... 1
1.1 - Description...................................................................................... 1
1.2 - Order Code..................................................................................... 2
1.3 - Technical Specifications.................................................................. 3
2.0 - Installation........................................................................................ 6
2.1 - Mechanical Installation.................................................................... 6
2.2 - Electrical Installation........................................................................ 6
2.3 - Process Input Signal Connection..................................................... 7
2.3.1 - Thermocouple Input.................................................................. 7
2.3.2 - RTD Input.................................................................................. 9
2.3.3 - Milliampere Input....................................................................... 10
2.3.4 - Volt Input................................................................................... 11
2.3.5 - Connection for Indicators with different input types................... 12
2.4 - Alarm output connection.................................................................. 13
2.5 - Connection diagrams....................................................................... 14
2.5.1 - Indicators with 12 thermocouples, current or voltage inputs
and their combinations......................................................................
14
2.5.2 - Indicators with 8 RTD inputs...................................................... 15
2.5.3 - Indicators with 6 thermocouples, current or voltage inputs
and 4 RTD inputs..............................................................................
16
2.6 - Communication............................................................................... 17
2.7 - Engineering units............................................................................. 17
3.0 - Operation.......................................................................................... 18
3.1 - Normal Operation............................................................................ 18
3.2 - Configuration................................................................................... 18
4.0 - Maintenance..................................................................................... 31
4.1 - Indicator Hardware.......................................................................... 31
4.2 - Snubber use for relays.................................................................... 32
4.3 - Optional module connection............................................................ 33
4.4 - Calibration....................................................................................... 34
4.5 - Hardware maintenance instructions................................................. 38
4.6 - List of components.......................................................................... 40
4.7 - List of recommended spare components......................................... 43
