Bitzer CM-SW-01 User Manual

SG-150-1 15
5.5 Examples of Serial Control Word setups:
Command
Hexadecimal
value
Decimal
value
Binary
Reserved
Data valid
Reserved
Reset
Start
Reserved
Operation enable
Reserved
No command
43F
1087
0000 0
1
00
0
0
11
1
111
Start
47F
1151
0000 0
1
00
0
1
11
1
111
Reset
4BF
1215
0000 0
1
00
1
0
11
1
111
Stop
437
1079
0000 0
1
00
0
0
11
0
111
‘No command’ is the neutral value allowing digital control.
The neutral value of the control word is 43F hex (= 1087 dec = 10000111111 binary)
To start the compressor, the control word must be 47F hex (= 1151 dec = 10001111111 binary)
To disable this interface: Please see section 10.5.1 Configuration – application.
In the status word the actual status of the CM-SW-01 can be seen.
5.6 Status Word bit definitions
CM-SW-01 Status Word
Bit
Function
Description
0
Control
ready
The control is ready to switch on
0: Control not operational
1: The control is ready for operation
1
Operation ready
The CM-SW-01 is ready to operate
0: Output is not ready
1: Output is ready
2
Operation enabled
0: Output is off. Compressor is stopped
1: Compressor is on
3
Fault
0: No fault present
1: A fault is present. The compressor is stopped
4
Reserved
5
Reserved
6
Start disabled
0: Start is enabled.
1: Start is disabled
7
Warning
0: No warning present
1: A warning is present. The CM-SW-01 continues operation, but
attention may be required
8
On reference
0: The compressor is ramping or not running
1: The compressor is operating at setpoint
9
Reserved
10
Reserved
11
Running
0: Compressor is not running
1: The compressor is running
12
Start active
0: Start command is not given OR start is prohibited
1: Start command is given (e.g. start signal is given, setpoint > 0 %) and
Operation is enabled
13
Critical
0: No critical present
1: A critical is present. The CM-SW-01 is close at its limits and may
soon stop the compressor
14-15
Reserved

Bitzer CM-SW-01 Specifications

General

Brand	Bitzer
Model	CM-SW-01
Category	Control Unit
Language	English