Configured for remote station communication and field network control in Series 90-70 systems, the GE IC697BEM733 (IC697BEM733 Remote I/O Scanner Module) provides direct physical/electrical execution. The module interfaces remote IC697 rack I/O drops to an IC66/Genius bus, supporting up to 1024 discrete I/O points or 64 analog I/O words over a daisy-chained serial line.
| Parameter | Specification |
|---|---|
| Model | IC697BEM733 |
| Brand | GE Fanuc Emerson |
| Series | Series 90-70 |
| Product Type | Remote I/O Scanner Modules |
| Slot Width | Single slot |
| Operating Voltage | 5.0 VDC |
| Backplane Current Draw | 800 mA at 5 VDC (1.3 A maximum rating) |
| Field Bus Network | Genius / IC66 Bus |
| Transmission Speeds | 153.6 Kbaud (standard/extended), 76.8 Kbaud, 38.4 Kbaud |
| Max Bus Distance | 7500 feet (2275 m) at 38.4 Kbaud; 2000 feet (605 m) at 153.6 Kbaud standard |
| Bus Topology | Daisy-chained cable (shielded twisted pair or Twinax) |
| Line Termination | 75, 100, 120, or 150 Ohm resistors at both cable ends |
| Max Devices Per Bus | 32 devices (at 76.8/153.6 Kbaud); 16 devices (at 38.4 Kbaud) |
| Max I/O Capacity | 1024 Discrete I/O or 64 Analog I/O words per drop |
| Ports | 1 RS-422/485 serial port, 1 9-pin Handheld Monitor port, IC66 bus terminals |
| Status Indicators | 3 LEDs (Module OK, I/O Enabled, Bus B Active) |
| Operating Temp | 0 to +60 deg C |
| Dimensions | Standard Series 90-70 single-slot format |
| Weight | 0.48 kg (1.06 lbs) |
| Origin | USA |
The IC697BEM733 transfers scan data across the Series 90-70 backplane while executing Genius bus protocol handling for the remote drop chassis. High backplane bus communication velocity allows local rack expansion modules to update CPU tables with deterministic timing profiles. Configurable baud rates (38.4 Kbaud to 153.6 Kbaud) adapt execution cycles to line lengths up to 7500 feet (2275 meters). Built-in firmware flash compatibility preserves system messaging integrity across CPU platforms, Handheld Monitors (IC660HHM501G), and PCIM/QBIM computer interface cards.
Q: What are the backplane current requirements for the IC697BEM733 module?
A: The module draws a typical operating current of 800 mA at 5 VDC from the backplane bus, with a maximum rating of 1.3 A.
Q: What physical cable types and termination values are specified for the IC66 serial bus?
A: The bus utilizes a daisy-chained single shielded twisted-pair or Twinax cable, terminated at both physical ends with 75, 100, 120, or 150 Ohm resistors matching the cable impedance.
Q: How many remote racks can be managed within a single drop station under the scanner?
A: A single remote drop can link up to 8 IC697 PLC racks (5-slot or 9-slot) interconnected via bus transmitter and bus receiver modules over a maximum rack-to-rack distance of 15 meters (50 feet).
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