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CM-SW-01
Bitzer CM-SW-01 User Manual
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6
SG
-
150
-1
2.
Definitions
BEST
BEST Software
CR
Capacity Regulation
DOL
Direct On Line (m
otor start)
ESD
Electro Static Disch
arge
FI
Frequency inverter
HP
High Pressure
HW
Hardware/electronics.
I/O
Input / Output (electrica
l signals in and out of
a unit)
LP
Low Pressure
Modbus
Application-la
yer messaging protoco
l -
http://
www.modbus.org/specs.p
hp
NC
Normally Closed (rela
y)
NO
Normally Open (rela
y)
NTC
Negative Tem
perature Coeff
icient (sensor element)
PTC
Positive Tem
perature Coefficient (sens
or element)
PW
Part winding (m
otor start)
Y/
ā
Star/delta (m
otor start)
5
7
Table of Contents
Default Chapter
2
Table of Contents
2
1 Read this First
4
Reference Guide
5
Safety
5
2 Definitions
6
3 Functions
7
Control Functions
7
Monitoring and Diagnosis
7
Motor Temperature
7
Discharge Temperature
8
Oil Supply
8
Short-Cycling Warning
8
Application Limits
9
4 Datalog
11
Alarms
11
Events
11
Datalog Information
11
Periodic Data
11
Statistics and Counters
12
Accumulated Operation Counters
12
Capacity Load
12
Daily Counters
12
Runtime Statistic
12
Compressor Start Statistic
12
5 Control of the CM
13
Commands and Setpoint
13
Command Start
13
Setpoint - and Speed Changes
13
Enable Serial Control
13
Required Signals to Start the Compressor
14
Digital and Analogue Signals
14
Serial Control (Modbus)
14
Control Word Bit Definitions
14
Data Valid Bit
14
Examples of Serial Control Word Setups
15
Status Word Bit Definitions
15
Setting the Serial Setpoint
16
Serial Control Timeout Function
16
6 I/O List for CM
17
7 Drawings
19
8 Standards
20
9 Alarm System
21
Alarm Severity Types
21
Fault Reset Types
21
Alarm List
22
10 Programming and Monitoring
26
Introduction
26
Serial Communication
26
Modbus (RTU) Configuration
26
Data Values, Scaling and Data Types
27
Reading and Writing 32 Bit Values Via Modbus
27
Modbus Function Codes
27
Modbus Exception Codes
27
Parameters
28
Control - Application
28
Status Data
29
Status - Alarm
29
Status - Compressor
32
Status - Motor
34
Status - Device
34
Status - IO
35
Configuration Data
35
Configuration - Application
35
Configuration - Compressor
36
Configuration - COM1
36
Logs - Application
37
Info - Compressor Type
37
11 Trouble Shooting
38
Communications Trouble Shooting
38
Status Leds
39
LED Flashing Patterns of the Three Operation Status Leds
40
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Technical Information
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Bitzer CM-SW-01 Specifications
General
Brand
Bitzer
Model
CM-SW-01
Category
Control Unit
Language
English
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