Jesco MEMDOS E, Operation Manual

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Control unit (MEMDOS DX) Standard version CSA version
Power supply 95 ... 264 V AC, 48 ... 63 Hz
Connection 1.8 m cable,
3-wire, 0.75 mm
2
Safety plug
1.8 m cable,
3-wire, 0.75 mm
2
UL/CSA plug
Power consumption (without motor) 10 W
ISO class F
Protection class IP 55*
Max. admissible ambient temperature 40 ℃
Digital display 3-digit display for stroke frequency and level status
LEDs for functional display in operation (green)
fault (red)
external control (green)
Plastic film keypad 4 keys for programming and operation
Weight 0.8 kg
Inputs
External switch-off External pump switch-off with potential-free contact (nor-
mally closed, N.C.) provided by operating company
3.5 mm jack socket (M12x1 plug optional)
Level input Connection of accessories (e.g. suction line with level
switch)
5 V DC voltage, pre-alarm and main-alarm,
Connection Contact: normally closed, N.C.
3.5 mm jack socket (M12x1 plug optional)
External control Pulse input or analogue input
RCA socket
(M12x1 plug optional) 3-pin socket
Pulse input potential-free contact (normally closed, N.C.) provided by
operating company
5 V DC voltage
Pulse length min. 30 ms
Multiplication/division of pulses 1 / 2 / 4 / 8 / 16 / 32 / 64
Analogue input 0/4...20 mA signal **
Working resistance: 150 Ohm
Outputs
Warning alarm relay voltage-free changeover contact,
max. 250 V AC, 2.5 A or max. 30 V DC, 2.5 A,
Cable connection
*
if connection ports are protected by caps, or standard connectors are inserted.
**
1 If several dosing pumps are connected in series with 4... 20 mA control, an additional device (splitter) is necessary.
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