Four Channel Digital Input Multiplexer – VFC input – IOD4

£23.60 Exc. VAT

The Digital  Input  Expander allows 4 volt free inputs to be monitored by a single analogue input channel. The resultant analogue value can be decoded by the A to D function module in a BMS controller to produce internal digital status bits for alarm monitoring or other status input applications.

Description

Description

The Digital  Input  Expander (4 DIX) allows 4 volt free inputs to be monitored by a single analogue input channel. The resultant analogue value can be decoded by the A to D function module in a BMS controller to produce internal digital status bits for alarm monitoring or other status input applications.

Specification

Supply Voltage:          24Vdc or ac ± 15%
Supply Current:          50mA max. (I mode) 30mA max. (V mode)
Input Channels:           4-volt free contact switch 24Vdc
Input Threshold:         Upper 17.5V max (ON) level Lower 7.5V min (OFF) level
Distance:                     Max. distance of IOD4 from controller 25m (V mode) 1000m (I mode).
Output:                        Mode selectable by link header current/voltage (I/V).
I:                                   0 to 20mA, max. resistance of load 250Ω.
V:                                  0 to 10Vdc, max. current 1mA.
LED:                             Single LED per input channel, LED on indicates contact closed.
Ambient limits:           Storage: -10℃ (14 °F) to +70℃(158 °F) Operating: -10℃ to +50℃ Humidity: 0 to 90%RH non- condensing

iod4 Manual

Additional information

Weight 0.81 kg

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