Tecfluid CI-420 - Manual (Page 6)

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5. TECHNICAL CHARACTERISTICS
5.1 Working conditions
The case has a protection as per IP 40 and the terminals as per IP 20.
The working temperature limits are –10 to 60
o C
5.2 Mains supply
The standard mains voltage is 230 Vac 50/60 Hz. AC Mains voltages of 240 V, 110 V y 24 V
50/60 Hz. and 24 Vdc supply voltage are available on order.
The power consumption is less than 1 W.
The instrument is not supplied with a mains filter and in the exceptional cases that, due to high
levels of mains interference, a mains filter is needed, this must be installed externally. Due to the
low power consumption, almost any small mains filter will be adequate.
The instrument is supplied with a slow blow (T) 250 mA fuse.
5.3 Analog Output
The analog output is configured internally for current or voltage output.
Current Output - Maximum Load = 600 ohms
Voltage Output - Minimum Load = 10.000 ohms
5.4 Pulse inputs
1. The input called "COVOL" is designed to work with an electrical contact which closes the
circuit between terminals 14 and 16 of the terminal strip. Given that this type of input is generally
slow and to avoid contact bounce, this input is limited to about 200 pulses per second.
2. The pick-up input is designed to work with an inductive pick-up using a coil. The input
frequency in this case is limited to about 2,000 pulses per second.
5.5 Pulse Output
Frequency : The same as the input frequency (max. 2000 Hz).
The opto isolated open collector has the following characteristics:
NPN Transistor
Maximum Voltage : 30 Vdc
Maximum Current : 50 mA
5.6 Norms
Conforms with Directives 89/336/CEE (EMC) and 73/23/CEE (Low voltage)