RS485 Remote I/O
Flexible Discrete Inputs

q

Number of channels

8

Nominal input voltage

12/24 VDC/VAC

Guaranteed ON Voltage

9 VDC/VAC

Maximum input voltage

30 VDC/VAC

Guaranteed OFF current

1.5 mA DC

Guaranteed OFF voltage

5.0 VDC

Input resistance

2.4K Ohms

Nominal input current @ 24 VDC

10 mA

Filtered ON/OFF delay

25 mS

Maximum count frequency

100 Hz (2 KHz on channel 1)

Channel to channel isolation

500 volts (w/ -U base)

Isolation from internal circuitry

1200 Volts

Serial communication information

See System Specs

RS485 Isolation

1200 Volts RMS 1 Minute

Required supply voltage

10-30 VDC (0.5 watt typical)

Operating temperature range

-30 to 70° C

Storage temperature range

-40 to 85° C

Humidity (non-condensing)

5 to 95%

Flammability (module plastic)

UL 94V-0 materials

Electrical safety

UL 508, CSA C22.2/14; EN61010-1 (IEC1010), CE

EMI emissions

FCC part 15, ICES-003, Class A; EN55022, CE

EMC immunity

EN50082-1 (IEC801-2, 3, 4) CE

Surge withstand

IEEE-472 (ANSI C37.90)

Vibration

IEC68-2-6

Hazardous locations

UL 1604, CSA C22.2/213-M1987, (Class I, Div 2, Groups A, B, C, D), EN50021 (zone 2)

Marine/offshore locations

Det Norske Veritas (DNV) No. 2.4 (Class A and B)