Emerson XM679 - Page 55

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Figure 1 - MODBUS COM Wiring Diagram

MODBUS Termination BlocksAppendix A - Alternate MODBUS COM Wiring Method for E2, XR, XM, and XEV Devic-

es • 49

Table of Contents

Default Chapter5
- Table of Contents5
1 Introduction7
- General Warning7
2 Overview7
- General Description7
- Ordering Codes8
3 User Interface9
- Keys and Functions9
- Use of Leds9
- How to Enter the Fast Access Menu10
- How to See the Max and Min Temperature Recorded10
- How to See and Modify the Setpoint10
- How to Start a Manual Defrost10
- How to Enter the Parameters List Pr110
- How to Enter the Parameters List Pr210
- How to Assign Amodbus Address11
- How to Change the Parameter Value11
- On/Off Function11
4 Fast Access Menu12
5 Section Menu13
- T Oset Energy Saving Times13
- T Oset Timed Defrost Parameters13
6 Electronic Expansion Valve Menu (for Model Xm679 Only)14
7 Controlling Loads14
- Solenoid Valve14
- Standards Regulation and Continuous Regulation14
  - First Kind of Regulation: Standard Regulation15
  - Second Kind of Regulation: Continuous Regulation (for Model XM679 Only)15
- Defrost15
  - Defrost Starting15
  - Defrost Ending15
- Fans16
  - Control with Relay16
  - Control with Analog Output (if Present)16
- Anti -Sweat Heaters (I F Present )16
- Auxiliary Output16
8 Parameters List17
9 Digital Inputs26
- Generic Alarm (Eal)26
- Serious Alarm Mode (Bal)26
- Pressure Switch (Pal)26
- Door Switch Input (Dor)26
- Start Defrost (Def)26
- Relay Aux Actuation (Aus)26
- Relay Light Actuation (Lig)26
- Remote ON/OFF (Onf)26
- Kind of Action (Htr)26
- Fhu (Not Used )27
- Energy Saving Input (Es)27
- Configurable Input - Holiday Function (Hdy)27
- Digital Inputs Polarity27
10 Installation and Mounting27
11 Electrical Connections28
- Probe Connections28
12 Rs485 Serial Line28
13 How to Use the Hot Key28
- Download (from the Hotkey to the Device)28
- Upload (from the Device to the Hotkey)29
14 Alarm Signals30
- Ee Alarm32
- Alarm Recovery32
15 Technical Data33
16 Ul Ratings34
17 Connections35
- E2 to XM Device Communication Recommendations35
  - Wiring Guidelines35
- Xm670 - Wiring Diagram35
- XM679 - 230VAC Valves/Wiring Diagram36
- XM679 - 24VAC Valves/Wiring Diagram36
18 E2 Modbus Network Wiring37
19 Wiring Layout for Sharing a Pressure Transducer on a Lan38
20 Pressure Transducer Setup (Xm679 Only)39
- Rs485 Net Monitoring Temperatures41
  - RS485 Connection41
- How to Enable a Pressure Probe to Share Across the Lan41
21 Wiring Connection to Site Supervisor42
22 Ect Modbus Networking to E2S43
- E2 Versions 3. XX and below43
- Com Port Associations - E2 Versions 4.0 and above43
- E2 Setup of Devices44
  - Set up Network Ports44
  - Add and Connect the Device44
- Wiring Types46
- Modbus Termination Blocks46
23 Default Setting Values47
- Table 23-1 Appendix A - Alternate Modbus Com Wiring Method for E2, Xr, XM, and Xev54
Devices54

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