Campbell Scientific 229 Water Matric Potential Sensor and CE4/CE8 - Manual (Page 15)

229 Heat Dissipation Matric Water Potential Sensor
5.6 Example #2 — CR1000 with AM16/32-series Multiplexer,
CE4 and Sixteen 229 Sensors with Temperature
Correction
Table 5-2 shows wiring information for connecting multiple 229 sensors and
CE4 excitation module to an AM16/32 multiplexer and CR1000 datalogger.
See Figure 6-4 for a schematic of this wiring configuration.
TABLE 5-2. 229 Sensor and CE4 Wiring with CR1000 and AM16/32-series
229
107
Function
CR1000
CE4 Multiplexer
(4x16 mode)
Blue 229 Thermocouple High ODD H
(1H, 3H, etc)
Red 229 Thermocouple Low ODD L
(1L, 3L, etc)
Green 229 Heater High EVEN H
(2H, 4H, etc)
Black 229 Heater Low EVEN L
(2L, 4L, etc)
Clear 229 Shield G
CE4 Power 12V +12V
CE4 Ground G
CE4 Enable C3 CTRL
1H COM ODD H
1L COM ODD L
CE4 current excitation channel Channel 1 COM EVEN H
CE4 Ground COM EVEN L
AM16 Power 12V 12V
AM16/32 Ground G GND
AM16/32 Enable C1 RES
AM16/32 Advance C2 CLK
Red 107 Signal SE 3
Black 107 Excitation EX1
Purple 107 Signal Ground
Clear 107 Shield G
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