Section 5: Model 3721 multiplexer card
Series 3700A Switch and Control Cards Reference Manual
5-2
3700AS-909-01 Rev. B / December 2011
Available accessories: Model 3721
Accessory model number
Description
Model 3721-MTC-1.5
50-pin female-to-male D-sub cable assembly, 1.5 m (4.9 ft)
Model 3721-MTC-3
50-pin female-to-male D-sub cable assembly, 3 m (9.8 ft)
Model 3721-ST
Screw terminal panel with CJC sensor
Model 3790-KIT50-R
50-pin female D-sub connector kit (solder cup contacts)
7401
Type K thermocouple wire kit
Model 3721-ST accessory board channel list
The following table shows the association between the Model 3721-ST accessory and each channel
on the Model 3721.
Channel
3721-ST terminal board silkscreen label
Multiplexer # 1 Output
MUX 1 OUT
1 ... 20
1 ... 20
Multiplexer # 2 Output
MUX 2 OUT
21 ... 40
21 ... 40
Amps Channel 41
AMP1
Amps Channel 42
AMP2
DMM HI & SHI Channel n928
DMM
No Connect
NC
When viewing this table, remember:
•
Multiplexer number 1 channels are labeled 1 through 20 and the multiplexer output is labeled
MUX 1 OUT.
•
Multiplexer number 2 channels are labeled 21 through 40 and the multiplexer output is labeled
MUX 2 OUT.
•
Amps channel 41 is labeled AMP1. This channel is accessed as "
n041
" where
n
is the slot
number.
•
Amps channel 42 is labeled AMP2. This channel is accessed as "
n042
" where
n
is the slot
number.
•
DMM HI & SHI channel is labeled DMM. This channel is accessed as "
n928
" where
n
is the slot
number.
•
No connect channels are labeled NC. Do not connect to these channels.