Table of Contents • v
Table of Contents
1 INTRODUCTION.......................................................................................................................................................... 1
1.1. G
ENERAL PRECAUTIONS AND WARNINGS.................................................................................................................... 1
2 BEFORE PROCEEDING ............................................................................................................................................. 1
2.1. S
OFTWARE RELEASE OF XM678D ............................................................................................................................... 1
3 OVERVIEW ................................................................................................................................................................... 2
3.1. G
ENERAL DESCRIPTION................................................................................................................................................ 2
3.2. O
RDERING CODE .......................................................................................................................................................... 2
4 QUICK REFERENCE GUIDE IN RUNNING THE SELF ADAPTIVE REGULATION .................................... 2
5 INSTALLATION AND MOUNTING ......................................................................................................................... 4
6 WIRING DIAGRAM AND CONNECTIONS ............................................................................................................ 5
6.1. I
MPORTANT NOTE......................................................................................................................................................... 5
6.2. W
IRING GUIDELINES .................................................................................................................................................... 5
6.3. XM678D W
IRING AND CONNECTIONS ........................................................................................................................ 5
6.4. V
ALVE CONNECTIONS AND CONFIGURATION .............................................................................................................. 6
6.4.1. Types of Cables and Max Length.......................................................................................................................... 6
6.4.2. Valve Selection...................................................................................................................................................... 6
6.4.3. 4-Wire Valves (Bipolar) ........................................................................................................................................ 9
6.4.4. 5- to 6-Wire Valves (Unipolar) ............................................................................................................................. 9
6.5. W
IRING CONNECTION OF EMERSON EX3 VALVE ........................................................................................................ 9
6.5.1. Solenoid Valve Connection ................................................................................................................................... 9
6.5.2. EX3 with 24Vac Coil: Transformer Capacity....................................................................................................... 9
6.5.3. Stepper Valve Connection................................................................................................................................... 10
6.5.4. EX3-C230............................................................................................................................................................ 10
6.6. A
BSOLUTE MAXIMUM POWER.................................................................................................................................... 10
6.7. K
EYBOARD DISPLAY CX660...................................................................................................................................... 11
6.8. LAN C
ONNECTION ..................................................................................................................................................... 11
6.9. S
ENSORS FOR SUPERHEAT CONTROL ......................................................................................................................... 11
6.10. H
OW TO USE A SINGLE PRESSURE TRANSDUCER ON MULTIPLEXED APPLICATIONS .............................................. 12
6.11. H
OW TO CONNECT THE MONITORING SYSTEM ........................................................................................................ 12
6.12. D
IGITAL INPUTS........................................................................................................................................................ 13
6.13. A
NALOG OUTPUT ..................................................................................................................................................... 13
7 BATTERY BACK UP CONNECTION..................................................................................................................... 14
7.1. XEC S
UPERCAP CONNECTION.................................................................................................................................... 14
7.2. E
MERSON ECP-024 CONNECTION .............................................................................................................................. 15
8 WIRING LAYOUT FOR SHARING A PRESSURE TRANSDUCER ON A LAN.............................................. 15
9 PRESSURE TRANSDUCER SETUP ........................................................................................................................ 17
9.1. RS485 N
ET MONITORING TEMPERATURES ................................................................................................................ 17
9.1.1. RS485 Connection............................................................................................................................................... 18
9.2. H
OW TO ENABLE A PRESSURE PROBE TO SHARE ACROSS THE LAN ........................................................................ 18
10 WIRING CONNECTION TO SITE SUPERVISOR ............................................................................................. 19
11 USER INTERFACE .................................................................................................................................................. 20
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