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14 • XR75CX I&O Manual 026-1210 Rev 4

9 RS485 Serial Line

(For Monitoring

Systems)

The RS485 serial line allows the controller to connect to a

monitoring system (MODBUS-RTU compatible) such as

the X-WEB500/3000/300.

10 X-REP Output

(Optional)

Optionally, an X-REP can be connected to the controller

through the dedicated connector

To connect the X-REP to the controller, the following 

connectors must be used: CAB-51F(1m), CAB-52F (2m),

CAB-55F (5m).

Figure 10-1 - X-REP Output

Default Chapter5
- Table of Contents5
1 Introduction7
- General Warning7
2 Overview7
- General Description7
- Ordering Code7
3 Controlling Loads8
- Compressor8
- Defrost8
- Control of Evaporator Fans8
  - Forced Activation of Fans8
  - Cyclical Activation of the Fans with Compressor off8
- Light Relay Configuration8
4 Front Panel Commands10
- Keys and Functions10
- Use of Leds10
5 Max and Min Temperature Memorization11
- How to See the Min Temperature11
- How to See the Max Temperature11
- How to Reset the Max and Min Temperature Recorded11
6 Main Functions12
- How to See the Setpoint12
- How to Change the Setpoint12
- How to Start a Manual Defrost12
- How to Change a Parameter Value12
- The Hidden Menu12
  - How to Enter the Hidden Menu12
  - How to Move a Parameter from the Hidden Menu to the First Level and Vice Versa13
- How to Assign Amodbus Address13
- How to Lock the Keyboard13
- T Ounlock the Keyboard13
- The Continuous Cycle13
- The On/Off Function13
7 Parameters14
8 Digital Inputs19
- Generic Alarm (I2F=Eal)19
- Serious Alarm Mode (I2F=Bal)19
- Pressure Switch (I2F=Pal)19
- Door Switch Input (I1F or I2F=Dor)19
- Start Defrost (I1F or I2F=Def)19
- Switch the Auxiliary Relay (I2F=Aus)19
- Inversion of the Kind of Action: Heating - Cooling (I2F=Htr)19
- Energy Saving (I2F=Es)19
- On - off Function ( I 2F= on F)19
9 Rs485 Serial Line (for Monitoring Systems)20
10 Rep Output (Optional)20
11 Installation and Mounting21
12 Electrical Connections21
- Probe Connection21
13 How to Use the Hot Key22
14 Alarm Signals23
- Silencing Buzzer/Alarm Relay Output23
- Alarm Recovery23
- Other Messages23
15 Specifications24
16 Connections26
17 E2 Modbus Network Wiring27
18 Ect Modbus Networking to E2S28
- Com Port Associations - E2 Versions28
- Com Port Associations - E2 Versions 4.2 and above28
- E2 Setup of Devices29
  - Set up Network Ports29
  - Add and Connect the Device29
- Wiring Types30
- Modbus Termination Blocks31
19 Default Setting Values32
Appendix A - Alternate Modbus Com Wiring Method for E2, Xr, XM, and Xev Devices36

Brand	Emerson
Model	Dixell XR75CX Series
Category	Controller
Language	English

Emerson Dixell XR75CX Series User Manual

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