CD Automation REVO C Use and care manual

CD Automation Communication Manual Revo C
1
REVO C
Serial Communication
Manual
USER’S MANUAL
Rev. 12/2018
Preliminary
0011

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Sommario
1 MODBUS-RTU communication protocol.......................................................................... 3
Communication Terminals 30-40A (SR9-SR10-SR11) 3
1.1.1 RS485 STANDARD SERIAL PORT.........................................................................................................................................3
1.1.2 SECOND SERIAL 485 CONFIGURATION CONNECTORS .........................................................................................................3
1.2 Communication Terminals 60-210A(From SR12 to SR17) 4
1.2.1 RS485 SERIAL PORT...........................................................................................................................................................4
1.2.2 SECOND SERIAL 485 CONFIGURATION CONNECTORS .........................................................................................................4
1.3 Communication Terminals 300-700A (S12-S13-S14) 5
1.3.1 RS485 SERIAL PORT...........................................................................................................................................................5
1.4 Fieldbus communication option 5
1.5 MODBUS communication 6
1.6 MODBUS RTU Protocol 6
1.7 Message Format 6
1.8 Read Holding Registers(function 03 / 03Hex) Read InputRegisters (function 04 / 04Hex) 8
1.9 Preset Multiple Registers (function 16/ 10Hex) 9
1.10 Preset single register (function 06/ 06Hex) 9
1.11 Error and exception responses 10
1.12 Address Configuration 10
1.13 Parameter List 11
2 Fieldbus....................................................................................................................... 20
2.1 MODBUS/TCP 21
2.1.1 GENERAL DESCRIPTION.....................................................................................................................................................21
2.1.2 PROFINET CONNECTION.................................................................................................................................................21
2.1.3 MODBUS/TCP PROTOCOL ..............................................................................................................................................22
2.1.4 PLC/DEVICE CONFIGURATION..........................................................................................................................................22
2.1.5 INSTRUMENT IP SETTING..................................................................................................................................................23
2.2 PROFINET 26
2.2.1 GENERAL DESCRIPTION.....................................................................................................................................................26
2.2.2 PROFINET CONNECTION.................................................................................................................................................26
2.2.3 PLC CONFIGURATION.......................................................................................................................................................28
2.3 PROFIBUS 32
2.3.1 GENERAL DESCRIPTION.....................................................................................................................................................32
2.3.2 PROFIBUS CONNECTION.................................................................................................................................................32
2.3.3 PLC CONFIGURATION.......................................................................................................................................................34
2.4 Data Exchange Area 36
2.4.1 READ AREA.......................................................................................................................................................................36
2.4.2 WRITE AREA .....................................................................................................................................................................42

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1MODBUS-RTU communication protocol
Communication Terminals 30-40A (SR9-SR10-SR11)
1.1.1 RS485 standard Serial Port
M3 Terminal
Description
B-
RS485 B
A+
RS485 A
The serial communication port RS485 is
available on the Command.
On this port may be done a network up to 127
REVO C.
1.1.2 Second Serial 485 Configuration Connectors
M5 Terminal
Description
A+
RS485 A
B-
RS485 B

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1 2 3 4 5
1.2 Communication Terminals 60-210A(From SR12 to SR17)
1.2.1 RS485 Serial Port
The serial communication port RS485 is available on the
Command.
On this port may be done a network up to 127 REVO C.
M1 Terminal
Description
11
RS485 A+
12
RS485 B-
1.2.2 Second Serial 485 Configuration Connectors
M4
Terminal
Description
1
+24V
2
GND
3
Not connected
4
RS485 A+
5
RS485 B-

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1.3 Communication Terminals 300-700A (S12-S13-S14)
1.3.1 RS485 Serial Port
The serial communication port RS485
is available on the Command Terminals.
On this port may be done a network
up to 127 REVO C.
Terminal M1
Description
7
RS485 A
8
RS485 B
1.4 Fieldbus communication option
Other serial communication port are available as option.

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1.5 MODBUS communication
The serial communication port of the thyristor unit is two-wire RS485 type.
This port use an half-duplex system.
When a Unit must transmit active the transmission line, and when there are not units in
transmission the outputs are fixed to high impedance.
The serial communication port allows to communicate between the thyristor units and a MASTER
device (ex. an computer or a terminal). The cable must be rated for use to data transfer
1.6 MODBUS RTU Protocol
The communication is based on the standard industrial MODBUS RTU with the following
restrictions:
•The Baud rate can be 9600-19200-38400-115200 Baud (Standard 19200).
•The Preset Multiple Registers (Function 16) is limited to the writing of a single
parameter for message.
The following MODBUS functions are supported:
Function
Description
03/04
Read Holding Registers (max 121 reg.)
06
Preset Single Registers
16
Preset Multiple Registers (max 25 reg.)
The unit support the Broadcast messages:
It' possible send a Broadcast messages using the address 0, all the units respond at
the message without sending back any reply.
1.7 Message Format
The transmission format is a 1 bit start, 8 date bit, and 1 bit stop with no parity verification.
Each message terminate after a said time of "time out", equal at 3.5 time of a character
transmission, where there are not transitions on the transmission line.
The first Byte of each message is always the address of the unit that is a value from 1 to 255 or 0
for the broadcast messages, the second is always the function number, and the rest of the
message depends of the function demand.
When a slave receives a message, the unit sends an answer with the same structure
but with the information requested.
Each message is followed by CRC (Cyclic Redundancy Check) with two bytes. The CRC identifies
the incongruity situations of the message, in this case the receiver ignores the message.
The CRC is calculated in accordance with a formula that implies a recursive division of the data by
a polynomial.
The polynomial divisor is:
216 + 215 + 22+ 1(Hex 18005)
but is modified in two ways:
•Since the bits order are reversed, then the binary pattern is also reversed, and the most
significant bit (MSB) is the right-most bit.
•Since interest only the remainder, the right-most bit could be discarded.
Therefore, the polynomial divisor has value: Hex A001

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Normal bit order:
Most significant bit
Least significant bit
Most significant Byte
Least significant Byte
Reversed bit order:
Least significant bit
Most significant bit
Least significant Byte
Most significant Byte
N.B.: With the reversed bit order, also the CRC16 returns the with the reversed bit order
The following flow-diagram shows how to organize the CRC 16 bit.

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C Language CRC 16 Example
static short CRC16 (unsigned char *p_first,unsigned char *p_last)
{
unsigned int crc=0xffff;
short j;
for (;p_first<=p_last;p_first++)
{
crc ^= *p_first;
for(j=8;j>0;j--)
{
if(crc & 0x0001)
{
crc = crc >> 1;
crc ^= 0xA001;
}
else
{
crc = crc >> 1;
}
}
}
return (crc);
}
1.8 Read Holding Registers(function 03 / 03Hex)
Read InputRegisters (function 04 / 04Hex)
This function reads the instantaneous values of a specified number of parameters from an address.
The message is composed by 8 Byte:
•one Byte is for the address
•one for the function (03/04Hex)
•two Byte for the address of the first parameter to read
•two Byte for the total number of parameters to read (max 121)
•two Byte for the CRC
Address
Unit
Function
Address of the First
Parameter
N° of read
Parameter
CRC 16
3/4
3/4Hex
HI
LO
HI
LO
LO
HI
The answer is an echo of the first two Byte (address and function), one byte with the number of
byte following (CRC excluded), the demanded values and finally two Byte for the CRC.
Address
Unit
Function
N° of
Byte
First
Parameter
Value
Last
Parameter
Value
CRC 16
3/4
3/4Hex
2 -32
HI
LO
LO
HI
LO
HI

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1.9 Preset Multiple Registers (function 16/ 10Hex)
This function could write maximum 25 parameters for each message.
The message is composed by:
•one Byte for the address
•one for the function (10 Hex)
•two Byte for first parameter address to write
•two Bytes for the N° of parameters
•one Byte with the number of following Bytes
•values to write, two Byte for the CRC:
Address
Unit
Function
Address of the
First Parameter
N° of the
Parameter
N° of
Byte
Value to
write
→
16
10Hex
HI
LO
HI
LO
2
HI
LO
→
→
First value
To write
Last value
To write
CRC 16
→
HI
LO
HI
LO
LO
HI
The answer is an echo of the first two Byte (address and function), two Byte for first written
parameter, two Byte with the N° of parameters, fixed to 1 (0001 Hex), two Byte for the CRC.
Address
Unit
Function
Address of the
First Parameter
N° of the
Parameter
CRC 16
16
10Hex
HI
LO
0
1
LO
HI
1.10 Preset single register (function 06/ 06Hex)
This function writes a single Modbus paramter.
The message is composed by 8 Bytes:
•one Byte for the address,
•one for the function (6 Hex),
•two Bytes for the parameter address to write
•two bytes for the value to write
•two Bytes for the CRC
Address
Unit
Function
Address of the
First Parameter
Value to Write
CRC 16
6
6Hex
HI
LO
HI
LO
LO
HI
The normal response is a complete echo of the received message.

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1.11 Error and exception responses
If a message contains an altered character, if fails the CRC, or if the received message contains a
syntax error (for example the number of the byte or of the words is not correct), then the unit will
ignore the message.
If the received message is correct but contains a not valid value, the unit will send an answer of
exception (5 byte):
Address Unit
Function
Error Code
CRC 16
LO
HI
The byte with the function number, represent the function number of the message that has caused
the error with the first Bit set to 1 (ex. the function 3 becomes 0x83) The error code could be one
of the followings:
Error Code
Name
Cause
1
ILLEGAL FUNCTION
Function not supported.
2
ILLEGAL DATA ADDRESS
Address out of range.
4
FAILURE IN
ASSOCIATED DEVICE
Too Many parameter request
1.12 Address Configuration
The thyristor unit is assigned a unique device address by the user in the range 1 (default) to
247 using the parameter P115  in the Hardware menu. This address is used to recognize the
messages queries to her assigned.
The thyristor unit does not respond at the messages queries that don't have the same assigned
address.

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1.13 Parameter List
Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
1
0
65535
X
0
X
X
Change user access level
Level 0
Par 1 = 0
Level 1
Par 1 = 1111 (dec)
Level 2
Par 1 = 2222 (dec)
Level 3
Par 1 = 3333 (dec)
2
0
1
1
X
X
Used to temporarily disable Field
Communications 0:Enabled 1: Disabled
3
0
X
X
4
0
X
X
5
0
X
X
Displays which hilscher module is populated
6
x
0
X
X
Used to specify if your secondary port is
used for WiFi/2nd Modbus or Hilscher/LOG
7
0
9999
-
X
X
Used for factory reset (wipes all EEPROM
except serial number) of system or USB
tunnel to Hilscher or Wifi
8
0
65535
X
3
X
X
Used to save or restore default
configuration
9
0
65535
0
655,35
Hz
0
X
X
Main network frequency
10
0
1023
0
1023
V
0
X
X
Rms Voltage or average Voltage of rms for
multi-phase
11
0
1023
0,0
102,3
A
0
X
X
RMS Current or Average RMS Current
(multi-phase)
12
0
1023
0
1023
%
0
X
X
RMS Power or Average RMS Power
(multi-phase)

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Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
13
0
1023
0
1023
Sw
0
x
x
Status bitmask
bit0
ShortCut Alarm
bit1
Heat Break Alam
bit2
ON/OFF unit
bit3
Not used
bit4
Current Limit Alarm
bit5
Therma Alarm
bit6
Communication Alarm ( WD)
bit7
Not used
bit8
Digital input 1 status
bit9
Digital input 2 status
bit10
Not used
bit11
Not used
bit12
Not used
bit13
Not used
bit14
Not used
bit15
intervento allarme termico
14
0
255
0
1023
Sw
X
0
X
0
Command bitmask
bit0
Not used
bit1
Digital Reference
0= from analogue input
1= from communication/keyb.
bit2
Unit enable
1= Enable 0= Disable
bit3
Not used
bit4
Current Limit Switch
0= from analogue input
1= from communication/keyb.
bit5
Not used
bit6
Save Factory
bit7
Load Factory
bit8
Not used
bit9
Not used
bit10
Not used
bit11
Not used
bit12
Not used
bit13
Not used
bit14
Not used
bit15
Not used

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Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
15
0
1023
0,0
100,0
%
X
0
X
X
Remote set point for unit
16
0
255
0
100
%
X
0
X
X
How to scale the power set point
17
0
1023
0
100
%
X
0
X
No
Digital current limit value (local/remote)
18
0
1023
0
1023
Sw
X
0
X
Only
ZC
BF
Firing mode options
Zero Cross
1
Single Cycle
2
Burs Firing
3
Phase Angle
4
Phase Angle + Soft Start
20
Half Cycle
10
Burst Cycle + Soft Start
19
Burst Firing + Delay Trigger
35
Burst Firing + Delay Trigger
+ Safety Ramp Peak
227
Burst Firing + Delay Trigger
+Saftyramp
99
Half Cycle + Soft Start
74
19
0
1023
0
1023
Sw
X
0
x
x
Feedback Modes.
VOLTAGE
32
VOLTAGE2
0
CURRENT
64
CURRENT2
2
POWER
128
NO_FEEDBACK
1
20
0
255
0
255
-
X
0
X
Number of cycles to fire in burst fire mode
21
0
255
0
255
-
X
0
X
No
Number of half cycles with a delay in burst
fire mode
22
0
90
0
90
°
X
0
X
No
Degrees of delay from zero cross when the
first cycle is triggered to on when in Delay
Trigger Mode. (delay
for a transformer is 45 degrees)
23
0
255
0
255
x50ms
X
0
X
No
Number of 50 msec periods over which soft
start is active.
24
0
255
0
255
x50ms
X
0
X
No
Number of 50 msec periods that make up
the fixed time base (Cycle time) calculation.
25
0
1024
0
1024
HC
X
0
X
X
How many half cycles to use for soft start
26
0
255
0
255
-
X
1
X
X
Proportional term for the primary feedback
loop

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Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
27
0
255
0
255
-
X
1
X
X
Integral term for the primary Feedback loop
28
0
255
0
255
x50ms
X
1
X
X
Number of 50 msec periods after the heater
break is detected before the alarm is
triggered
29
0
100
0
100
%
X
1
X
X
Threshold of resistance that activates the HB
alarm as a percentage of the nominal load
resistance
30
0
3
0
3
Sw
X
1
X
X
Baud rate for primary (RS485) Modbus port
31
0
255
0
255
Addr
X
1
X
X
Address for primary (RS485) Modbus port
32
0
5
0
5
Sw
X
1
X
No:
4,7
Defines the result of closing Digital input 1
33
0
5
0
5
Sw
X
1
X
No:
4,7
Defines the result of closing Digital input 2
34
0
65535
0
65535
Sw
X
1
X
Defines the result of closing the output relay
35
0
1023
0
1023
Sw
X
1
x
X
Used to calibrate AN1 and AN2 in Fast Tune
mode (uses current input as low/high value
and communicates if calibration was
successful
36
0
65535
0
65535
Sw
-
x
X
Unit type (1PH,2PH,3PH)
37
0
1023
0
1023
V
X
0
x
X
Nominal load voltage. Used to set the
% input to output voltage scaling.
38
0
9999
0
999,9
A
X
0
X
X
Nominal load Current. Used to set the
% input to output current scaling.
39
0
9999
0
999,9
A
-
X
X
Current transformer amperage rating
40
0
1
0
1
-
-
X
X
Used for current retransmission gain
41
0
1023
0
1023
V
-
X
X
Unit rating (max voltage rating for the
product ex: 480,600,690)
42
0
1023
0
1023
V
-
X
X
Used to calibrate the aux voltage
43
0
1023
0
1023
V
0
X
X
Calculated aux voltage
(used to show overload/underload voltage)
44
0
3
0
3
Sw
X
1
X
Process signal type for analog input 1
45
0
255
0
255
Sw
X
1
X
X
Baud rate, secondary Modbus port
(if mounted)
46
0
65535
0
655,35
ohm
0
X
X
Calculated resistance of the load. Based on
a calculation of the Vrms load voltage
divided by the Irms load current. (Average
Irms in multi-phase unit)
47
0
65535
0
65535
V
0
X
X
AUX RMS input voltage
48
0
65535
0
65535
-
0
X
X
Version number (X.XX.X)
49
0
65535
0
65535
-
0
X
X
Year and week of release (YYWW)

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Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
50
-
0
X
X
Not used
51
0
X
X
Not used
52
0
1
0
1
X
0
X
No
Selector for the current limit
53
0
65535
0
65535
ohm
0
X
X
Used for calibrating the calculation of
resistance (not used)
54
0
4096
0
4096
A
0
X
X
Measured RMS Current - phase 1
55
0
4096
0
4096
A
0
No
X
Measured RMS Current - phase 2
56
0
4096
0
4096
A
0
No
X
Measured RMS Current - phase 3
57
0
1023
0
1023
-
0
X
X
Measured RMS Voltage (scaled 0-1023)
58
0
1023
0
1023
-
0
X
X
Measured RMS Current (scaled 0-1023)
59
0
1023
0
1023
-
0
X
X
Measured RMS Power (scaled 0-1023)
60
0
1023
0
1023
Sw
X
1
X
X
Output value displayed when the Aspyre
starts up
61
0
65535
0
65535
-
X
1
X
X
Selects which analog input is used for the SP
input
62
0
9999
0
9999
A
-
X
X
Aspyre Amperage Rating
63
0
255
0
255
-
X
1
X
No
Proportional term for the current limit loop
64
0
255
0
255
-
X
1
X
No
Integral term for the current limit loop
65
0
65535
x50mS
X
0
X
No
Once the output turns off, how much time
must pass before safety ramp will be re-
enabled
66
0
65535
x50mS
X
0
X
No
Time for the safety rmap
67
1
9999
0
99,99
-
X
X
Current transformer gain correction
68
0
1024
0
1024
X
1
X
X
Selects the parameter to retransmit
69
0
1024
0
1024
X
1
X
X
Selects the electrical type of the retransmit
70
0
255
0
255
s
X
1
X
X
Data logging period
71
0
255
0
255
X
2
X
X
IP Address for Hilscher module
72
0
255
0
255
X
2
X
X
73
0
255
0
255
X
2
X
X
74
0
255
0
255
X
2
X
X
75
0
255
0
255
X
2
X
X
Mask for the Hilscher module
76
0
255
0
255
X
2
X
X
77
0
255
0
255
X
2
X
X

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Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
78
0
255
0
255
X
2
X
X
79
0
255
0
255
X
2
X
X
Gateway for the Hilscher module
80
0
255
0
255
X
2
X
X
81
0
255
0
255
X
2
X
X
82
0
255
0
255
X
2
X
X
83
0
65535
0
65535
X
1
X
X
WiFi Machine Name
(2 characters each, 16 characters total)
PROFINET NAME: 120 WORDS IN EXTERNAL
ADDRESS MAP(from address 300 to 420)
84
0
65535
0
65535
X
1
X
X
85
0
65535
0
65535
X
1
X
X
86
0
65535
0
65535
X
1
X
X
87
0
65535
0
65535
X
1
X
X
88
0
65535
0
65535
X
1
X
X
89
0
65535
0
65535
X
1
X
X
90
0
65535
0
65535
X
1
X
X
91
0
65535
0
65535
X
0
X
X
DAY_MONTH
8 bit H-> DAY 8 bit L ->MONTH
92
0
65535
0
65535
X
0
X
X
YEAR_HOUR
8 bit H-> YEAR 8 bit L ->HOUR
93
0
65535
0
65535
X
0
X
X
MIN_SEC
8 bit H-> MIN 8 bit L ->SEC
94
0
255
0
X
X
IP Address for WiFi module
95
0
255
0
X
X
96
0
255
0
X
X
97
0
255
0
x
X
98
0
9995
0
9995
ms
X
2
No
X
Delay for zero cross of phase 1
99
0
9995
0
9995
ms
X
2
No
X
Delay for zero cross of phase 2
100
0
9995
0
9995
ms
X
2
No
X
Delay for zero cross of phase 3
101
0
1
0
1
Sw
X
1
X
No
Enable the current limit (0 - off / 1 - on)
102
0
1000
0
1000
ratio
0
X
X
Power Factor
103
0
1000
0
1000
ratio
0
No
X
(not used)
104
0
1000
0
1000
ratio
0
No
X
(not used)
105
0
3
0
3
X
1
x
X
Process signal type for analog input 2
106
0
4096
0
4096
-
X
X
stored calibration value

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17
Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
107
0
4096
0
4096
-
X
X
(internal use)
108
0
4096
0
4096
-
X
X
109
0
4096
0
4096
-
X
X
110
0
4096
0
4096
-
X
X
111
0
4096
0
4096
-
X
X
112
0
4096
0
4096
-
X
X
113
0
4096
0
4096
-
X
X
114
0
4096
0
4096
-
X
X
115
0
4096
0
4096
-
X
X
116
0
2
0
2
Sw
X
1
X
No
Function associated with AN2
117
0
9999
0
9999
-
X
X
Gain for power set point
(general gain gets copied into here if you
select to retransmit set point)
118
0
9999
0
9999
-
X
X
Gain for measured power rtx (VxI)
(general gain gets copied into here if you
select to retransmit power)
119
0
2
Sw
-
X
X
Select which Hilscher module you have
populated
120
0
1
Sw
2
X
X
Enable the WiFi (0 - off / 1 - on)
121
0
65535
0
X
X
Internal use (used by Thyristor Configurator
to know which family is connected)
(0x07)
122
0
1024
X
1
X
X
If PROFIBUS is mounted, this is the external
address that is used to communicate over
PROFIBUS
123
0
65535
kVA
X
0
X
X
Real Time power consumption calculation
(read only, can set to 0 to reset total count)
124
0
65535
X
1
X
X
General retransmission gain (automatically
copied into the correct position based on
the retransmission parameter that you
selected
125
0
65535
kW/h
0
X
X
Total count in kW/h
126
0
65535
0
X
X
127
0
1200
0
120
°C
0
X
X
Temperature of the SCR (if NTC, you will see
the value, if T Stat 0 - okay / 1- alarm)
128
0
1200
0
120
°C
X
3
x
X
Alarm set point for SCR (setting to 0 disables
this alarm)
129
0
4096
0
4096
-
X
X
Calibration value for AI1

CD Automation Communication Manual Revo C
18
Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
130
0
4096
0
4096
-
X
X
131
0
65535
kW
0
X
X
Real time power consumption calculation
(includes power factor, internal use)
132
0
65535
-
X
X
Voltage value in calibration (used for scaling)
133
0
65535
-
X
X
Frequency value in calibration (used for
scaling)
134
0
9999
0
9999
-
X
X
Gain for voltage rtx (general gain gets copied
into here if you select to retransmit set
point)
135
0
9999
0
9999
-
X
X
Gain for current rtx (general gain gets copied
into here if you select to retransmit set
point)
136
0
X
X
Not used
137
0
1000
0
100,0
0
X
X
Current value of analog input 2 in percent
138
0
1000
0
100,0
0
X
X
Current value of analog input 1 in percent
139
0
1
X
0
X
X
Start or stop data logging (0 - off / 1 - on)
140
0
1
0
X
No
Enable bakeout function (0 - off / 1 - on)
141
0
65535
-
X
X
Used to select CDA protocol for Data log file
transfer, Live mode
(bit0 - Live Mode / bit1 - file upload mode)
142
0
1
X
1
X
X
Enable to Modbus watchdog
143
0
255
s
X
1
X
Amount of time to wait before trigging
watchdog if no message is received before
triggering alarm
144
0
9999
min
X
1
X
No
Bakeout total ramp time in minutes
145
0
9999
A
X
1
X
No
Bakeout current limit
146
0
9999
min
X
1
X
No
Time to wait while off before bakeout is
needed again (time for the heater to cool)
147
0
1024
0
X
X
Scaled AN1 value (0-1024)
148
0
1024
0
X
X
Scaled AN2 value (0-1024)
149
0
9999
-
X
X
Serial Number
150
0
9999
-
X
X
151
0
9999
-
X
X
152
0
9999
-
X
X
153
0
1000
0
X
X
154
0
Not used

CD Automation Communication Manual Revo C
19
Par
Min
Max
Min UM
Max UM
UM
Write Enable
Access Level
1PH
2/3 PH
Description
155
0
Not used
156
0
Not used
157
0
Not used
158
0
65535
0
X
X
CRC used for WiFi communication
159
0
65535
0
X
X
16 bit CRC of Modbus map

CD Automation Communication Manual Revo C
20
2Fieldbus
The Revo C is available in these fieldbus types:
•MODBUS/TCP
•PROFINET
•PROFIBUS DP
NOTE: In order change the write parameters (see page 42) from Configuration Software (USB
port) or from RS485 Modbus-RTU port, write from fieldbus must be disabled. If the connection is
terminated/compromised, these parameters will be continuously set to 0 until parameter 2 is
disabled or the connection is re-established and the parameters are set.
To disable write from bus use parameter 2
Parameter 2:
Par
Min
Max
Min UM
Max UM
UM
Write En
Access Level
1PH
2/3 PH
Description
2
0
1
1
X
X
Used to temporarily disable Field
Communications
0:Enabled
1: Disabled