FS8700-87 - B&B Electronics Digital I/O Module
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FieldServer Driver - Serial
FS8700-87
B&B Electronics Digital I/O Module 485SDD16
Description
The FieldServer SDD16 driver is used to communicate with a digital I/O module model 485SDD16. The current driver only supports reading the status of all sixteen digital input lines. The SDD16 driver in conjunction with the 485SDD16 module allows the FieldServer to sense external On/Off conditions and to control a variety of devices.
The SDD16 driver makes use of the data complement mode feature of the 485SDD16 module. In data complement mode the driver and module communicates with double the amount of data bytes to enable better error detection in noisy electrical environments.
The driver is only available as a client. Server drivers are for FieldServer testing purposes only.
Formal Driver Type
Serial
Client
Connection Information
|
Connection type: |
RS-485 (Two wire, Half-Duplex) |
|
Baud Rates: |
1200; 2400; 4800; 9600 |
|
Data Bits: |
8 |
|
Stop Bits: |
1 |
|
Parity: |
None |
|
Multidrop Capability: |
Yes |
Devices tested:
|
Device |
Tested |
|
485SDD16 |
Factory |
Connection configurations
Communications functions - Supported functions at a glance:
Data Types Supported
|
FieldServer Data Type |
Description (or Device Data Type) |
|
Digital Input |
Digital Input Line |
Read Operations supported
|
FieldServer as a Client |
|
Read Binary Status: |
|
Read the binary state of all digital input lines |
Unsupported Functions and Data Types
|
Function |
Reason |
|
Read Digital Outputs |
In development |
|
Set Digital Outputs |
In development |
|
Program I/O lines direction as Input or Output |
In development |
|
Program Turnaround Delay |
In development |
|
Program Digital Output Lines’ Powerup States |
In development |
Limitations
|
Limitation |
Reason |
|
Only one 485SDD16 module on a RS-485 line may be used |
The addition of extra devices up to 256 devices are in development |
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