Control Inputs Function Six remote inputs: START, HOLD, RESET, total reset, counter reset, lock keyboard
Frequency DC to 20 Hz typical
Type Current sinking
Logic Level sensitive
Low Level 0… 2V DC max
High Level 8…20V DC max
Impedance 4.7 kOhm pull-up to 12V DC
Current 2.5 mA steady state
Response 100 ms make and break time
Control Outputs Function One batch output (always a mechanical relay)
Four user-defined outputs (one mechanical relay and three transistor):
batch, two-stage control, high flow rate alarm, low flow rate alarm, no-flow
alarm, any alarm, scaled pulse, pre-warn, end of batch signal
Scaled pulse
output
Max. frequency 500 Hz. Pulse length user-definable 0.001…2 seconds
Mechanical relays Two mechanical relay outputs; max. switch power 230V AC…3A.
Transistors Three passive transistor outputs, not isolated. Load max. 50V DC…300 mA.
Operator
Functions
• Enter a preset value
• Start / interrupt and stop the batch process
• Total can be reset to zero
• Batch counter can be reset to zero
Displayed
information
• Preset value
• Running batch total or remaining quantity
• Total and accumulated total
• Flow rate
• Batch counter
Additional
functions
• Active overrun correction
• Minimum / maximum preset value
Preset / Total Digits 7 digits
Units L, m
3
, USGAL, IGAL, ft
3
, bbl
Decimals 0, 1, 2 or 3
Note Total can be reset to zero.
Accumulated
Total
Digits 10 digits
Units/decimals According to selection for preset.
Flow Rate Digits 7 digits
Units L, m
3
, USGAL, IGAL, ft
3
, bbl
Time unit sec, min, hour, day
Decimals 0, 1, 2 or 3
Table 13: Technical specifications
User Manual
Page 31 April 2017 CTL-UM-00483-EN-07
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