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Rockwell Automation 1770-HT8 SMART TRANSMITTER User Manual

Page 112

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Product Specifications

Appendix A

A-4

4Ć20 mA Current Loop Interfaces (see Figure A.1)

Channels

sixteen 4-20 mA current loops

I/O Module Connector

Phoenix COMBICON header and plug
10 position, 2 sets, 12-24 AWG,

I/O Module Cable Length 30 foot (9 m) maximum between the

Terminal Block and the Analog I/O module

Field Device Connector

Phoenix COMBICON header and plug
12 position, 4 sets, 12-24 AWG

Loop Fuses

UL 198G and CSA 22.2, No. 59 rated,
5mm x 20mm, 0.1 Amp., 250V, fast acting

Electrical

DC Input Voltage

24 - 32 VDC for 4-20 mA current loops if
required

DC Current

Maximum of 0.4A or as required for all
4-20 mA current loops connected

Fuse

UL 198G and CSA 22.2, No. 59 rated,
5mm x 20mm, 0.5 Amp., 250V, fast acting

Connector

Phoenix COMBICON header and plug
3 position – 12-24 AWG

Power Consumption

9.6 watts maximum or as required for all
4-20 mA current loops connected

Physical

Dimensions

4.3” (10.9 cm) wide x 15.5” (39 cm) long x 2.7”
(6.9 cm) high

Weight

1.8 lb (0.8 kg) approximate

Mounting

DIN rail (EN 50 022 or EN 50 035)

Environmental

Operating temperature

0

_C to 60_C (32_F to 140_F)

Storage temperature

–40

_C to 60_C (–40_F to 140_F)

Operating humidity

5% to 95% (non-condensing)

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