Rockwell Automation 1770-HT8 SMART TRANSMITTER User Manual
Page 112
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)