Modbus protocol – Hach-Lange SC 100 User Manual
Page 55
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Modbus Protocol
51
Comm/Net Card
Baud
40171
Unsigned
Integer
1
R/W
Sets the Modbus baud rate (0 = 9600;
1 = 19200; 2 = 38400; 3 = 57600;
4 = 115200)
Comm/Net Card
Stop Bits
40172
Unsigned
Integer
1
R/W
Sets the number of stop bits (1,2)
Comm/Net Card
Data Order
40173
Unsigned
Integer
1
R/W
Sets the register data order for floats
(0 = Normal; 1 = Reversed)
Comm/Net Card
Min
Response
Time
40174
Unsigned
Integer
1
R/W
Sets the minimum response time
(0 to 30 sec)
Comm/Net Card
Max
Response
Time
40175
Unsigned
Integer
1
R/W
Sets the maximum response time
(100 to 1000 sec)
Comm/Net
Card/Addresses
sc100
40176
Unsigned
Integer
1
R/W
Sets the sc100 Modbus Address
Comm/Net
Card/Addresses
Sensor 1
40177
Unsigned
Integer
1
R/W
Sets the Sensor 1 Modbus Address
Comm/Net
Card/Addresses
Sensor 2
40178
Unsigned
Integer
1
R/W
Sets the Sensor 2 Modbus Address
Comm/Net Card/Stats
Good
Messages
40179
Unsigned
Integer
2
R/W
Number of good messages
Comm/Net Card/Stats
Bad
Messages
40181
Unsigned
Integer
2
R/W
Number of failed messages
Comm/Net Card/Stats
% Good Mesg
40183
Float
2
R/W
% of good messages
Comm/Service Port
Mode
40185
Unsigned
Integer
1
R/W
Sets the Modbus mode (0 = RTU;
1 = ASCII)
Comm/Service Port
Baud
40186
Unsigned
Integer
1
R/W
Sets the Modbus baud rate (0 = 9600;
1 = 19200; 2 = 38400; 3 = 57600;
4 = 115200)
Comm/Service Port
Stop Bits
40187
Unsigned
Integer
1
R/W
Sets the number of stop bits (1,2)
Comm/Service Port
Data Order
40188
Unsigned
Integer
1
R/W
Sets the register data order for floats
(0 = Normal; 1 = Reversed)
Comm/Service Port
Min
Response
Time
40189
Unsigned
Integer
1
R/W
Sets the minimum response time
(0 to 30 sec)
Comm/Service Port
Max
Response
Time
40190
Unsigned
Integer
1
R/W
Sets the maximum response time
(100 to 1000 sec)
Comm/Service
Port/Addresses
sc100
40191
Unsigned
Integer
1
R/W
Sets the sc100 Modbus Address
Comm/Service
Port/Addresses
Sensor 1
40192
Unsigned
Integer
1
R/W
Sets the Sensor 1 Modbus Address
Comm/Service
Port/Addresses
Sensor 2
40193
Unsigned
Integer
1
R/W
Sets the Sensor 2 Modbus Address
Comm/Service
Port/Stats
Good
Messages
40194
Unsigned
Integer
2
R/W
Number of good messages
Comm/Service
Port/Stats
Bad
Messages
40196
Unsigned
Integer
2
R/W
Number of failed messages
Comm/Service
Port/Stats
% Good Mesg 40198
Float
2
R/W
% of good messages
Table 9: sc100 Modbus Registers (continued)
Group Name
Tag Name
Register # Data Type
Length
R/W
Description