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M&M RWB series User Manual
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Standard Screw Comp
ressor - RWB Series
A-4
M&M
R
EFRIGERATION
I
NC
.
36.
VI Sensor
Oil Level Float
Spare
Fail
Fail
A Series and RWB: VI Sensor
HX Series: Oil level Float
All Others: Spare
37.
Oil Flow Switch
Oil Level Float
Spare
Fail
Fail
A Series: Oil Flow Switch
RWB:
Oil Level
Float
All Others: Spare
38.
Spare
39.
Spare
40.
Spare
No.
Parameter Name
L
evel
Comments
135
137
Table of Contents
Default Chapter
5
Table of Contents
5
CHAPTER 1 CCS Introduction
13
Associated Documents
13
Applicable Compressor Models
13
CHAPTER 2 General Operating Overview
15
Definitions
15
Keypad Functions
16
Main Screen Overview
18
Hot Key Selection
19
Screen Types
19
Menu Screens
20
Data Entry Screens
21
Data Entry Procedures
22
Field Types
22
Absolute Pressure Fields
23
Numerical Data Input Fields
23
Selectable Fields
23
Date Fields
24
String Fields
24
Time Fields
24
Hexadecimal Fields
25
Telephone Number Field
25
Status Screens
26
Confirmation Screens
27
Confirmation Screen Procedures
28
Momentary Screens
28
Information Screens
29
Access Screens
29
Log Screens
31
Alarms & Failures
32
CHAPTER 3 Compressor Controls
35
Modes of Operation
35
Lubrication System
36
Oil Pump Configuration
36
Oil Pressure Calculations
37
Oil Level Indication
37
Starting the Screw Compressor
37
Manual Mode
38
Automatic Mode
39
Remote/Auto Remote Mode
39
I/O Control
39
Network Control
39
Sequenced Mode
39
Stopping the Screw Compressor
40
Manual Mode
40
Automatic Mode
40
Remote Mode
40
I/O Control
40
Network Control
40
Sequenced Mode
41
Capacity Control
41
Computed Slide Valve Position
41
Manual Capacity Control
41
Automatic Capacity Control
41
Control Groups
42
Time Proportional Control Strategy
42
Remote Capacity Control
45
I/O Control
45
Network Control
45
Auto-Remote Capacity Control
45
Network Control
46
Sequenced Capacity Control
46
Low Alarm and Failure Setpoints
46
Running in Trim Mode
46
Anti-Cycle in Sequenced Mode
47
Running in Full Load Mode
47
Forced Unloading & Limiting
47
Ramp Start
47
Slide Valve Position Ramp Start Limiting
48
Unload Solenoid Configuration
49
Setpoint Scheduling
49
Daily Schedules
49
Weekly Schedule
49
Variable VI Slide Stop Control
50
VI Adjustments
50
Manual VI Adjustment
50
VI Slide Stop and Capacity Slide Valve Interference
50
Oil Temperature Regulation
51
Liquid Injection Oil Cooling (Option)
51
Dual Port Liquid Injection
51
Single Port Liquid Injection
51
Anti-Cycle Timer
51
Power Fail Restart
52
Remote Status Information
52
Process Temperature Control (Option)
52
Economizer Control (Option)
53
Automatic Mode
53
Manual off Mode
53
Manual on Mode
53
Sequenced Mode
53
Power Assist (Option)
53
Operational Procedures
54
START Hot Key
54
Compressor Main Status Screen
56
STATS Hot Key
56
Status Banner
57
Mode Area
58
System Current State
58
Alarm & Failure Area
59
Compressor Graphics Screen
59
Energy Status Screen
60
Operating Hours Screen
61
Variable VI Status Screen
62
Economizer Status Screen (Option)
63
Active Alarms & Failures Status Screen
64
Auto-Start Warning Screen
65
Automatic Mode
66
Local Mode
66
Manual Mode
66
MODE Hot Key
66
Auto-Remote Mode
67
Remote Mode
67
Sequenced Mode
67
Pressure Setpoints
68
SETPT Hot Key
68
Suction Pressure Control Groups
68
High Suction Pressure Setpoints
70
Discharge Pressure Setpoints
71
Oil Pressure Setpoints
72
Oil Filter Pressure Setpoints
73
Discharge Temperature Setpoints
74
Temperature Setpoints
74
Oil Temperature Setpoints (Without Liquid Injection)
75
Oil Temperature Setpoints ( with Liquid Injection)
76
Process Temperature Control Group
77
High Process Temperature Selection
78
Motor Current Setpoints
79
Slide Valve Setpoints
80
Control
81
SCHED Hot Key
81
Active Group
82
Active Schedule
83
Daily Schedules
84
Weekly Schedule
84
Schedule 1 to Schedule 7
85
CNTRL Hot Key
86
Suction Pressure Control Setpoints
86
Process Temperature Control Setpoints
87
Economizer Control Setpoints (Option)
88
Variable VI Setpoints (Option)
89
MISC Hot Key
90
LOGS Hot Key
91
MENUS Hot Key
91
CHAPTER 4 Logging Functions
93
Logging Functions Technical Overview
94
Operations Log
94
Trend Log
94
Alarm Log
94
Failure Log
94
User Log
94
KW Log (Optional)
95
System Log (Optional)
95
Logging Functions Operating Procedures
96
Operations and Trend Logs
97
Alarm and Failure Logs
98
User Log
99
KW Log (Optional)
100
Clear Logs
101
Clear All Logs
101
Clear Std Log
101
Clear System Log (Optional)
101
Set Log Rates
101
CHAPTER 5 Menu Functions
103
Technical Overview
103
Logon User
103
Logoff User
103
Automatic Log off
103
Diagnostics Menu
104
System Information
104
View Analogs
104
View Dip Switches
104
View Discrete I/O
104
View Network Comm
104
Override Discrete I/O (Option)
105
Setup Menu
105
Calibrate Sensors
105
Dynamic Sensor Calibration
105
Set Date and Time
105
Adding/Deleting Users
106
Password Control
106
Screen Access Levels
106
Static Sensor Calibration
106
Communication
107
Configuration
107
Display Setup
107
Initialization
107
Motor Configuration
107
Power Fail Reset
107
Set Factory Configuration
107
Set Operating Status
107
Operational Procedures
108
Logon User
109
Logoff User
109
Diagnostics
110
System Information
110
View Discrete I/O
112
View Analogs
113
View Dip Switches
114
View Network Comm
115
Override Discrete I/O
116
Setup
117
Set Date & Time
118
Calibrate Sensors
119
Dynamic Sensor Calibration
120
Password Control
121
Static Sensor Calibration
121
Add/Delete User
122
Screen Access Levels
123
Initialization
124
Power Fail Reset
125
Set Factory Config
126
Configuration
127
Display
128
Communication Setup
129
Motor Configuration
130
Set Operating Status
131
Alarm and Failure Data
133
APPENDIX A Alarm and Failure Data
133
Analog Alarms
133
Discrete Alarms
135
Analog and Discrete I/O
137
APPENDIX B Analog and Discrete I/O
137
Analog Inputs
137
Discrete I/O RACK 1
138
Communication Protocols
141
APPENDIX C Communication Protocols
141
Introduction
141
Applicable Documents
141
Hardware Interface Description
142
Hardware Requirements
142
Interface Connections
142
Message Addressing
144
Software Interface Description
147
Protocol Overview
147
Status Only or Status and Control Options
147
Message Categories
147
MODBUS Protocol Description
148
Read Holding Registers
148
Error Messages
149
Preset Multiple Registers
149
Preset Single Register
149
DF1 Protocol Description
151
Protected Typed Logical Read
151
Protected Typed Logical Write
152
Word Range Read
152
Word Range Write
152
Data Formats
153
Error Messages
153
Status Message Description
154
Analog Inputs and Computed Parameters
154
Discrete Input and Outputs
155
Alarm and Failure Data
156
Equipment Data
158
Control Message Description
162
Network in Control Command
163
Compressor Start/Stop Command
163
Set Compressor Mode Command
164
Change Compressor Capacity Command
164
Acknowledge/Clear Active Alarm Command
164
Change Current Setpoint Group Command
164
Set Economizer Mode Command
165
Auto Start/Stop Control Command
165
Suction Pressure Setpoint Message Description
166
Process Temperature Setpoint Message Description
167
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M&M RWB series Specifications
General
Brand
M&M
Model
RWB series
Category
Controller
Language
English
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