Accsence VersaLog - Channel and Sensor Specifications; Vl-DCC-Hr - Current Inputs

Accsense VersaLog Data Loggers User’s Manual Page 11
CH1
A2/E
A1
COM
CH7
CH6
COM
CH5
CH4
COM
CH3
CH2
COMTransducer #1
VDC
GND
Transducer #2
VDC
GND
Voltage External Input Connections
Note: All inputs must share the same common ground.
Channel and Sensor Specifications:
Connections
Pluggable terminal block for 7 external channels, excitation
controls and alarm outputs.
Channels
One on board thermistor temperature (-40C ~ 70C, -40F ~
158F).
Seven external Voltage DC.
Software programmable input range selections for each channel:
0 ~ 20 V, -5 ~ +5 V
Resolution
0.0018%
Accuracy
Thermistor channel: +/-0.2C (0c ~ 70C, 32F ~ 158F)
+/-0.05% FSR @ 25C
Input Impedance
> 1 MOhms
Over-voltage protection
+/- 40 VDC
VL-DCC-HR – Current Inputs
Besides the on-board thermistor channel, VL-DCC-HR logger has seven external current DC
channels used to measure single-ended current DC signals maximum of 20 mA. The following
figure illustrates the correct input connections: