Operation
3-3
■
OPEN-ALL-CHANNELS
Selecting OPEN-ALL-CHANNELS will immediately open
any closed scanner card channel(s).
■
CLOSE-CHANNELS
Selecting CLOSE-CHANNEL will display the following
message prompting you to select the channel to close:
ENTER CHAN#01 (1-10)
The field entry after “ENTER CHAN#” indicates the chan-
nel to close. To close a channel, simply use the cursor and
range keys to select the number of the channel to close, then
press ENTER. The number of the closed channel will be dis-
played on the front panel along with normal readings. Keep
in mind that channel 1 is the reference junction.
Selecting a different channel from the one that is presently
closed will cause the closed channel to open and allow a set-
tling time before closing the selected channel.
Channel relays will be closed according to the presently
selected function. If a 2-wire function is used, only the relay
for that one channel will be closed. If a 4-wire function is
selected, both the selected channel relay and the matching
relay pair will close. For example, closing channel 2 will also
close the channel 7 relay. Fixed 4-pole relay pairs are:
• 2 and 7
• 3 and 8
• 4 and 8
• 5 and 10.
NEXT
PREV
POWER
DISPLAY
DCV ACV DCI ACI Ω2 Ω4
FREQ TEMP
REL TRIG
INFO LOCAL EXIT ENTER
RANGE
RANGE
ERR REM TALK LSTN SRQ REAR REL FILT MATH 4W AUTO ARM TRIG SMPL
!
FR
500V
PEAK
FRONT/REAR
2A 250V
AMPS
CAL
STORE RECALL
CHAN SCAN
FILTER MATH
CONFIG MENU
HI
INPUT
LO
SENSE
Ω 4 WIRE
INPUTS
350V
PEAK
1100V
PEAK
AUTO
CHAN
• Close channel
• Open channel
CONFIG-CHAN
• Define internal channel functions
• Define external channel functions
• Define alternate function
SCAN
• Scan configuration
CONFIG-SCAN
• Select internal scan list
• Select external scan list
• Manually scan channels
EXIT
• Disable scanning
TEMP
• Enable temperature measurements
CONFIG-TEMP
• Select sensor type
• Choose thermocouple type
• Define reference junction
Figure 3-1
Models 2001 and 2002 front panel scanner controls
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