The * indicates positions occupied by the SCADALink A8D4 I/O module. This one module occupies five positions and acts as five modules-in-one. The module types are (AI4, AI4, DI8, DO8, and PI4) in that order.
DO, SW PWR, Relay, and DI are on-board digital signals that have been mapped to internal registers 4 through 7. These are not part of the I/O bus.
The supply voltage is in centi-Volts. Range is 0 to 3500. For example, 3000 = 30 V.
Coils: Digital Outputs | |
---|---|
Register | Description |
1-3 | Reserved |
4 | DO |
5 | SW PWR |
6 | Relay |
007-016 | Reserved |
017-024 | * Module #1 digital outputs |
025-032 | * Reserved |
033-040 | * Module #2 digital outputs |
041-048 | * Reserved |
049-056 | * Module #3 digital outputs |
057-064 | * Reserved |
065-072 | * Module #4 digital outputs |
073-080 | * Reserved |
081-088 | * Module #5, digital outputs or Pulse Clearing Register PI1=81…PI4=84 to clear write 0 then write 1 |
089-096 | * Reserved |
097-104 | Module #6 digital outputs |
105-112 | Reserved |
113-120 | Module #7 digital outputs |
121-128 | Reserved |
129-136 | Module #8 digital outputs |
137-162 | Reserved |
Status: Digital Inputs | |
---|---|
Register | Description |
1-3 | Reserved |
4 | DO |
5 | SW PWR |
6 | Relay |
7 | DI |
008-016 | Reserved |
017-024 | * Module #1 digital inputs |
025-032 | * Reserved |
033-040 | * Module #2 digital inputs |
041-048 | * Reserved |
049-056 | * Module #3 digital inputs |
057-064 | * Reserved |
065-072 | * Module #4 digital inputs |
073-080 | * Reserved |
081-088 | * Module #5 digital inputs |
089-096 | * Reserved |
097-104 | Module #6 digital inputs |
105-112 | Reserved |
113-120 | Module #7 digital inputs |
121-128 | Reserved |
129-136 | Module #8 digital inputs |
137-162 | Reserved |
Holdings and Inputs: Analogs | |
---|---|
Register | Description |
1-4 | Reserved |
5 | Supply voltage |
006-016 | Reserved |
017-024 | * Module #1 analog inputs |
025-032 | * Module #1 analog outputs |
033-040 | * Module #2 analog inputs |
041-048 | * Module #2 analog outputs |
049-056 | * Module #3 analog inputs |
057-064 | * Module #3 analog outputs |
065-072 | * Module #4 analog inputs |
073-080 | * Module #4 analog outputs |
081-088 | “* Module #5 analog inputs or Pulse Inputs Low address = counter low word, High address = counter high word, PI1=(81-82), PI2=(83-84), PI3=(85-86), PI4=(87-88) |
089-096 | * Module #5 analog outputs |
097-104 | Module #6 analog inputs |
105-112 | Module #6 analog outputs |
113-120 | Module #7 analog inputs |
121-128 | Module #7 analog outputs |
129-136 | Module #8 analog inputs |
137-144 | Module #8 analog outputs |
145-146 | Reserved |
147 | Module #1 digital inputs |
148 | Module #1 digital outputs |
149 | Module #2 digital inputs |
150 | Module #2 digital outputs |
151 | Module #3 digital inputs |
152 | Module #3 digital outputs |
153 | Module #4 digital inputs |
154 | Module #4 digital outputs |
155 | Module #5 digital inputs |
156 | Module #5 digital outputs |
157 | Module #6 digital inputs |
158 | Module #6 digital outputs |
159 | Module #7 digital inputs |
160 | Module #7 digital outputs |
161 | Module #8 digital inputs |
162 | Module #8 digital outputs |