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7. Appendix A: Technical Characteristics
7.1. Environment
Dimensions (excluding connectors)
Height: 120 mm Width: 27 mm Depth: 75 mm
External appearance Plastic case with device for fixing to a DIN rail.
Torque PSU connector: between 5 and 7 lbs.-in.
Power supply
24V insulated ±10%
Maximum consumption: Around 95 mA
Maximum internal consumption for all of the gateway’s electronic cards,
relating to the internal 5V PSU: 450 mA
Maximum relative humidity 95% without condensation or seepage, according to IEC 68-2-30
Ambient air temperature
around the device, in a dry
environment
According to IEC 68-2-1 Ab, IEC 68-2-2 Bb and IEC 68-2-14 Nb:
• Storage: –25°C (±3) to +85°C (±2)
• Operation: –05°C (±3) to +70°C (±2)
UL
E 214107 certificate
“open type” category
The product should be installed in an electrical cabinet or in an equivalent location.
EC
Certified as complying with European standards, unless otherwise stated.
Electromagnetic compatibility
(EMC): Transmission
Complies with the EN 50 081-2:1993 (industrial environment) standard
Tested according to class A radiation under the EN 55011:1990 standard
Electromagnetic compatibility
(EMC): Immunity
Complies with the EN 50 082-2:1995 and EN 61 000-6-2:1999 (industrial
environment) standard
Tested according to the ENV 50 204:1995, EN 61000-4-2:1995, EN 61000-4-3:1996,
EN 61000-4-4:1995, EN 61000-4-5:1995 and EN 61000-4-6:1996 standards.
7.2. Communication Characteristics
“Upstream” network Profibus-DP
“Downstream” network Modbus RTU
Profibus-DP
characteristics
• Transmission method: PROFIBUS DIN 19245 Part 1.
• Nature of network: Device-oriented bus (DeviceBus).
• Network topology: multipoint linear topology (bus) with adapted and active line
terminations (see chapter 2.6.2 Wiring Recommendations for the Profibus-DP
Network, page 20).
• Physical media: single twisted pair copper cable, shielded or not, preferably a
type A Profibus-DP cable, with the following characteristics:
- Impedance .......135 to 165 Ω - Loop impedance.....................110 Ω/km
(nominal value........... 150 Ω) - Conductor diameter................. 0.64 mm
- Capacity .............< 30 nF/km - Conductor section................> 0,34 mm²
• Connections: 9-point SUB-D connectors, preferably (see chapter 2.6.2 Wiring
Recommendations for the Profibus-DP Network, page 20).
• Communication speed: 9.6, 19.2, 45.45, 93.75, 187.5, 500, 1,500 or 12,000 kbits/s.
• Maximum network length: the length of each segment (from one line termination
to the other) is limited and depends upon the transmission rate. Using one, two,
or three repeaters makes it possible to put such segments end to end; one can
thus derive the maximum
total length of the network, without changing the
maximum length of each segment.
Maximum Max. network length
Transmission rate segment length (with the tree repeters)
Up to 93.75 kbits/s.................................. 1,200 m..........................4,800 m
00,187.5 kbits/s.................................... 1,000 m..........................4,000 m
00,500,0 kbits/s.................................... 0,400 m..........................2,000 m
01,500,0 kbits/s.................................... 0,200 m..........................0,800 m
12,000,0 kbits/s.................................... 0,100 m..........................0,400 m