Table of Contents
Advertisement
5128A
Operators Manual
Remote Operation
For remote operation of the Product, send ASCII commands through the USB
serial interface. The USB interface appears as a virtual COM port when
connected to a Windows PC.
Set Up
Connect a USB A to B cable between the Product and PC. If this is the first time
the PC has been connected to the Product, you may be prompted to download
and install the drivers for the interface. The drivers are normally part of the
Windows operating system. Windows detects the interface as a virtual COM port.
If Windows is unable to find the driver, contact Fluke Calibration for technical
support. Refer to Contact Fluke Calibration.
The default settings on the Product are 9600 baud, 8 data bits, 1 stop bit, no
parity or flow control. These settings cannot be changed.
Remote Commands
To use the USB interface, use the remote commands in Table 8 to communicate
with the Product. When communication is active, the Remote indicator on the
front panel is lit.
Command
BOOT
HELP
ID
HOFFSET
HOFFSET x.x
TOFFSET
TOFFSET x.x
HREAD
TREAD
DPREAD
HSET
TSET
HSET xx.x
TSET xx.x
STANDBY
STANDBY ON
STANDBY OFF
WARMUP
26
Table 8. Remote Commands
Read/Write
Write
Resets the Product.
Read
Returns the list of remote commands available.
Returns "Fluke 5128A", serial number and firmware
Reads
revision.
Returns the value of the humidity offset stored within the
Read
Product.
Sets the humidity offset used in the Product as part of the
Write
calibration process (% RH).
Returns the value of the temperature offset stored within
Read
the Product (in °C) .
Sets the temperature offset used in the Product as part of
Write
the calibration process.
Read
Returns the actual chamber humidity.
Read
Returns the actual chamber temperature.
Read
Returns the calculated chamber dew point temperature.
Read
Returns the humidity set point.
Read
Returns the temperature set point.
Write
Sets the humidity set point to xx.x (% RH).
Write
Sets the temperature set point to xx.x (in deg C).
Read
Returns the standby state, either ON or OFF.
Write
Puts the Product into its Standby state.
Write
Puts the Product into its normal operating state.
Returns status of warmup indication. "On" means that
Read
"Heating" is still on.
Function
Advertisement
Table of Contents
