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Summary of Contents for GMI RS422
- Page 1 D1061S-077 INSTRUCTION MANUAL RS422/RS485 Fieldbus Isolating Repeater DIN-Rail Model D1061S-077 D1061-077 - RS422 / RS485 Fieldbus Isolating Repeater ISM0146-0...
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Page 2: Technical Data
RS422 / RS485 Transmission speed: 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 38.4, 57.6, 93.75, 115.2, 187.5, 375, 500, 750 Kbit/s or 1.0, 1.5 Mbit/s DIP-switch configurable. RS422 / RS485 Transmission cable length: ≤ 1200 m up to 93.75 Kbit/s, ≤ 1000 m up to 187.5 Kbit/s, ≤ 400 m up to 500 Kbit/s, ≤ 200 m up to 1.5 Mbit/s. -
Page 3: Terminal Block Connections
Input/Output from Zone 0 (Zone 20), installation in Zone 2. RS422 / RS485 Hazardous Area I.S. Signal. RS232 / RS422 / RS485 Safe Area Signal. Transmission speed up to 1.5 Mbit/s. Three port isolation, Input/Output/Supply. - Page 4 Ci device + C cable ≤ 50 % of Co and Li device + L cable ≤ 50 % of Lo). If the cable parameters are unknown, the following value may be used: Capacitance 60pF per foot (180pF per meter), inductance 0.20µH per foot (0.60µH per meter). D1061-077 - RS422 / RS485 Fieldbus Isolating Repeater G.M. International ISM0146-0...
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Page 5: Function Diagram
+5 V SUB D 9 poles female connector MODEL D1061S-077 4 - Supply 24 Vdc IN/OUT RS485 TxD RS422 IN/OUT RS232 RxD RS422 SUB D 9 poles female connector G.M. International ISM0146-0 D1061-077 - RS422 / RS485 Fieldbus Isolating Repeater... -
Page 6: Operation
Operation The DIN-Rail RS422 / RS485 Fieldbus Isolating Repeater type D1061S-077 is used to separate Intrinsically Safe RS422 / RS485 equipment located in Hazardous Area from a RS232 / RS422 / RS485 controller located in Safe Area. Transmission speed is DIP-switch adjustable from 1.2 Kbit/s up to 1.5 Mbit/s. -
Page 7: Installation
Electrical connection of conductors up to 2.5 mm² are accommodated by polarized plug-in removable screw terminal blocks which can be plugged in/out into a powered unit without suffering or causing any damage; for RS232, RS422 and RS485 serial line connection in Safe Area, a SUB D 9 poles female connector is also provided (for Zone 2 installations check the area to be nonhazardous before servicing). - Page 8 Configuration Proper configuration is obtained using internal dip-switches. The user can configure the operating mode on both Hazardous and Safe side, as RS422, RS485, RS232 (RS232 is available only on Safe side), the baud rate of the communication from 1200 b/s to 1.5 Mb/s and the frame length of a byte, indicated as data size (7 or 8 bit), parity (none, even or odd) and number of stop bit (1 or 2).
- Page 9 1 stop bit 8 data bit, even parity, 1 stop bit 8 data bit, odd parity, 2 stop bit 8 bit data, even parity, 2 stop bit G.M. International ISM0146-0 D1061-077 - RS422 / RS485 Fieldbus Isolating Repeater...
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Page 10: Switch Positions
9.600 4.800 2.400 1.200 Side B Panel View Switch positions Termination Resistor Configuration (Hazardous Area) Termination Resistor Configuration Hazardous 200 Ω between Area A- and B+ Termination Disabled D1061-077 - RS422 / RS485 Fieldbus Isolating Repeater G.M. International ISM0146-0...
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