Register
(Decimal)
Register
(Hex)
Description
Data
Type
Units
Access
6223
184F
Digital Input: Digital Input 5
INT32
—
RO
6225
1851
Digital Input: Digital Input 6
INT32
—
RO
6227
1853
Digital Output 1: Holding: Output
INT32
—
RO
6229
1855
Digital Output 1: Holding: Pulses
INT32
—
RO
6231
1857
Digital Output 2: Holding: Output
INT32
—
RO
6233
1859
Digital Output 2: Holding: Pulses
INT32
—
RO
6235
185B
Digital Output 3: Holding: Output
INT32
—
RO
6237
185D
Digital Output 3: Holding: Pulses
INT32
—
RO
6239
185F
Digital Output 4: Holding: Output
INT32
—
RO
6241
1861
Digital Output 4: Holding: Pulses
INT32
—
RO
6243
1863
Digital Output 5: Holding: Output
INT32
—
RO
6245
1865
Digital Output 5: Holding: Pulses
INT32
—
RO
6247
1867
Digital Output 6: Holding: Output
INT32
—
RO
6249
1869
Digital Output 6: Holding: Pulses
INT32
—
RO
6251
186B
Analog Output 1 PID: Holding: Override Enable
INT32
—
RO
6253
186D
Analog Output 2 PID: Holding: Override Enable
INT32
—
RO
Digital Output Status
Digital Output: Holding: Output
Digital Output: Holding: Output registers report the state of the corresponding digital output when Digital Input/Output
mode is configured as one of the following settings:
•
Alarm.
Selected device alarms.
•
Conditional.
Value above setpoint, value below setpoint, or value out of setpoint range.
•
Programmed
.
Time of day output control or controlled output state (via serial port).
Read the corresponding register to determine its output state.
Value
Output Status
0
Disabled
1
Enabled
Digital Output: Holding: Pulses
Digital Output: Holding: Pulses registers can be used to set the Digital Output state when the Digital Input/Output mode
is configured as “Programmed–Controlled Output State (via serial port).”
Value
Output Status
0
Disabled
Any other integer
Enabled
Write a value to the desired Digital Output: Holding: Pulses register to set the output state. Read the corresponding Digi-
tal Output: Holding: Output register to validate the digital output status.
163
Scanner 3100 Modbus Protocol
Section 2