Bell-gossett 193 TECHNOVAR VARIABLE SPEED PUMP CONTROLLER AND I Uživatelský manuál stáhnout pdf (Strana 26)

Operating Instruction

6.4 Control Terminals

All externally used cables have to be shielded. Do not connect the ground of the electronic

components to other potentials (all electronic ground and GND of the RS 485-interface are

connected together internally).

For external off/on switches, contacts suitable for switching <10 VDC are necessary.

If unshielded control cables are used, signal interference may occur and interfere with

the function of the inverter.

Terminal:

X1/ 1 GND

2 Actual value input 4...20mA, 50 Ohm load resistance

3 Power supply for external control 15VDC, max. 100mA

4GND

5 External on/off (release) Ri=10kOhm, 5 Volt DC

(gold plated contact necessary!)

6GND

7 Low water; Ri=10kOhm, 5 Volt DC

(e.g. incoming pressure switch or water level switch)

8 Thermo switch or PTC (in motor terminal box) Ri=10k, 5 VDC

9 Thermo switch or PTC

10 GND

11 Analog output 0...10 V, max. 2mA

12 Current signal input 4...20mA

13 Voltage signal input 0....10V or 2......10V

14 Digital input

Terminal:

X2/ 1 Fault signal relay NC max. 250VAC 1A free of inductivity

(for dry 2 Fault signal relay CC max. 250VAC 1A free of inductivity

Contacts) 3 Fault signal relay NO max. 250VAC 1A free of inductivity

4 Pump operation

signal relay

NC max. 250VAC 1A free of inductivity

5 Pump operation

signal relay

CC max. 250VAC 1A free of inductivity

6 Pump operation

signal relay

NO max. 250VAC 1A free of inductivity

!! Fault relay (X2/2 - X2/3) is closed, when there is no error!!

Terminal:

X5-6/ 1 RS 485 SIO - LOW

2 RS 485 SIO + HIGH

3RS 485 GND

4 RS 485 + 5 VDC max. 20mA out

For supply of external interface

converter

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 77 78

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