ebm-papst CN1127 Manuals

Manuals and User Guides for ebm-papst CN1127. We have 1 ebm-papst CN1127 manual available for free PDF download: Manual

ebm-papst CN1127 Manual (59 pages)

Modbus Monitor & Control Unit

Brand: ebm-papst | Category: Control Unit | Size: 5 MB

Table of Contents
2
List Tables
4
List of Figures
4
General Notes
5
Exclusion of Liability
5
Introduction
6
Safety Notice
6
Overview
7
Specification
7
Installation
7
Hot Plugging
7
RS485 Wiring
7
Figure 1 - RS485 Connections - MMCU One End
7
Configuration and First Use
8
Electrical Connections
8
Figure 2 - Link Bar Removal
8
Initial Power on
10
First Time Configuration
10
Wi-Fi Setup
10
Ethernet Setup
10
Configuring a Fan Array
10
Setting the Device Name and Password
11
Fan Addressing - Configure Fan Communications
11
Fan Addressing - Configure External Modbus Communications
12
Fan Addressing - Auto Addressing (Serial No. Based Addressing)
13
Finding an Existing Fan Network
13
Auto Address Fans
14
Re-Ordering Fans
14
Visual Re-Ordering
15
DCI Reordering
16
Figure 3 - Daisy Chain Reordering Extra Fan Connection
16
Operating Modes
18
Overview
18
Monitor Mode
20
Webserver Control Mode
21
Proportional Control Mode
22
Figure 4 - Example 0-10V Potentiometer Input
22
Constant Volume / Pressure Mode
23
Figure 5 - Example Pressure Sensor Connection to Controller
23
Figure 6 - Switch between Two Setpoints
24
Multi Source Control Mode
25
Figure 7 - Example BMS Connection
25
Group 2 Offset
26
Figure 8 - Offset Example for Group 2
26
Summary Page
27
Fan Status Page
28
Pressure Sensor Connections
29
Figure 9 - Pressure Sensor Connections
29
Figure 10 - Connecting to Tapping Rings for Volume Measurement
29
Sensor Configuration
30
Sensor Wiring and Airline Connections
30
Figure 11 - Example Connection of Pressure Sensor Connected to a
30
Figure 12 - Example Connection of Pressure Sensor Connected to a
31
Figure 13 - Installation of Multiple Pressure Sensors for Volume
31
Figure 14 - Installation of Multiple Pressure Sensors for Pressure
31
Choosing the Pressure Sensor Range for Constant Volume
32
Sensor Mapping
33
Figure 15 - Volume Measurement Set up with Multiple Fans Connected to One Sensor
33
Advanced Settings
34
Communication Settings for Fans
34
Communication Settings for BMS
34
Controller and Fans Reset
35
Fan Speed Cap (0-100%)
35
Controller Input Cap (0-100%)
36
External Switch Input 1 Enable / Disable Fans
36
Figure 16 - Enable / Disable Switch
36
External Switch Input 2 Setpoint 1 / Setpoint 2
37
PID Values
37
Figure 17 - Setpoint Toggle Switch
37
0-10V Output Follower
38
System Units
38
Alarm / Warning Relay Configuration
38
Relay Output Configuration
38
Resonance Avoidance
39
Figure 18 - Resonance Avoidance Speed Mask Pre-Step Change
40
Figure 19 - Resonance Avoidance Speed Mask Post-Step Change
40
Fan Communications Diagnostics
41
Expansion Modules
41
Customer Information
42
Device Information
42
SD Card Update
43
LED Alarm / Warning Indications
43
Replacing the Controller
44
Replacing a Fan
44
Device Reset
44
Dimensions
45
WEEE (Waste Electrical and Electronic Equipment)
46
End of Life
46
Take Back Policy
46
Transport & Storage
46
Maintenance and Servicing
46
CE Certificates
46
Proportional Control Graph
47
Constant Volume Strategy Based on Backward Curved Centrifugal Fan
48
Constant Volume with Capped Fan Speed Based on Backward Curved Centrifugal Fan
49
Dual Setpoint
51
Modbus Holding Registers for Site Design
52
Modbus Holding Registers for System Configuration and Control
52
Modbus Holding Registers for Remote System Overview
54
Modbus Holding Registers for Individual Fan Monitoring
55
Fan Alarm and Warning Register
57
Modbus Direct Fan Access
58

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ebm-papst CN1127 Manual (59 pages)

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