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A standard RS 485 PROFIBUS repeater module for 12 Mbps with diagnostic LEDs and a redundancy feature

The Anybus 1 Channel Repeater is a standard RS 485 PROFIBUS repeater module for 12 Mbps with diagnostic LEDs and a redundancy feature. Bus connection is utilised by screw terminals and additional DB9 connectors.

The repeater channel is directly connected with the ProfiTrace OE core in the 1B/1C Head Station. Busmonitor data is directly available on the web server.

The advanced 12 Mbps core of the repeater module can be cascaded unlimitedly and has increased RS 485 strength. The data traffic is constantly monitored for glitches which are digitally filtered out. It has onboard switchable termination and is able to drive 31 devices.

Product Information

Distinctive features

• Diagnostics LEDs 
• Bus speed up to 12 Mbps 
• 31 devices per channel 
• Screw terminals bus connection 
• DB9 connector for monitoring 
• Redundancy features included 
• Bus termination integrated

Figure 1 – 1 Channel repeater configuration example 

Dimensions

L x W x H: 

137 x 25 x 103 mm (including backplane, per module)

Weight: 112 g (excluding plug-able fibre optic connector and packing material)
Mounting DIN-rail type 35mm × 7,5mm (EN 50022, BS 5584, DIN 46277-3)

Ambient conditions

Operating temperature range

-20° … +60° Celsius (for mounting position see manual)

-4° … 158° Fahrenheit

Isolation class

IP 20 (IEC/EN 60529, DIN 40050)

Backplane

PROFIBUS networks

4 (set by dipswitches or web server)

Modules

Max. 10 (positioned in the first 10 slots)

Power supply 

Provided through the backplane

Typical backplane current at 5.75 VDC

300 mA (at 5.72 VDC)

Max. backplane current at 5.75 VDC

500 mA (at 5.72 VDC) At this current consumption the module is switched OFF from the backplane. Occurs when the module is faulty, e.g. internal short circuit.

Compatible backplane units

101-200011, 101-200022, 101-200023, 101-200024,

101-200027

Protocol specifications

Supported Protocols

DP-V0, DP- V1, DP-V2, FDL, MPI, FMS, PROFIsafe, PROFIdrive and any other FDL-based protocol

Address

No bus address required

Transmission speed

9.6 kbps … 12 Mbps (including 45.45 kbps)

Transmission speed detection time Auto detect (< 10 s detection and 50 s baudrate switchover time)
Data delay time

At baudrate               Normal mode                       Redundunt mode

9.6 – 500 kbps                 2.8 Tbit                                 13.8 Tbit

1.5 Mbps                         3.2 Tbit                                  14.2 Tbit

3 Mbps                            3.9 Tbit                                  14.5 Tbit

6 Mbps                            4.6 Tbit                                  15.6 Tbit

12 Mbps                          6.4 Tbit                                  17.4 Tbit

Deviation 2 Tbit times for received messages is allowed and is corrected to nominal speed when transmitted (over the complete message)

PROFIBUS cable specifications

Cable length

1200 m at 9.6 kbps to 93.75 kbps

1000 m at 187.5 kbps

400 m at 500 kbps

200 m at 1.5 Mbps

100 m at 3 Mbps to 12 Mbps

Wire diameter (for the screw terminals)

< 2.5 mm2

Wire type

Stranded or solid core

Number of devices

Maximum 31 devices per channel (busload)

Termination

Integrated and switchable

Powered according to PB RS 485 (390/220/390 Ohms)

Redundancy

Yes, a maximum of 10 cables activated by the switch

Cascading depth

No limit (only limited by bus parameter of the master)

Cascading units

With standard bus parameters:

At baudrate       Normal mode[units] 

9.6 kbps                                           7 

19.2 kbps                                         7

45.45 kbps                                       42

93.75 kbps                                       7

187.5 kbps                                       7

500 kbps                                          17

1.5 Mbps                                          23

3 Mbps                                             19

6 Mbps                                             16

12 Mbps                                           15

Formula to calculate the number of cascading units with adjusted Tslot :

Cascading units = (Tslot – maxTsdr) / (2 × Tdata_delay_time)

Tdata_delay_time  is described in protocol specifications on the previous page.

Example 1.5 Mbps, normal mode:

Cascading units = (300-150) / (2×3.2) = 23

Connector Layout

PROFIBUS SCREW Terminal CH1

Plug-able screw terminal, pitch 5,08 mm

Pin A: PROFIBUS A (green wire)
Pin B: PROFIBUS B (red wire)
Pin SH: Shield
Pin I: Indirect Shield

PROFIBUS DB9 CH1

D Sub connector, 9 contacts (PROFIBUS specification)

Pin 1: N.C.
Pin 2: N.C.
Pin 3: PROFIBUS – B
Pin 4: PROFIBUS – RTS

Pin 5: GND
Pin 6: VPP
Pin 7: N.C.
Pin 8: PROFIBUS – A
Pin 9: N.C.
Housing: Shield

Pin SH is connected internally to the DIN rail with spring-loaded contact.

The pin I is connected internally with 10nF/1MOhm to shield.

LEDs

RDY: Ready

The module is ready for operation (ON)

RX: Receiving

Receiving telegrams (blinking)

ER: Error Receiving

No, or bad receiving telegrams detected (ON or blinking)

SW: Switch Network Termination  Network termination active (ON)

Dipswitches

NW0                    NW1
LEFT                   LEFT
RIGHT                 LEFT
LEFT                   RIGHT
RIGHT                 RIGHT

RED
LEFT
RIGHT

H/S
LEFT
RIGHT

ROFIBUS Network
1
2
3
4
 
Redundancy
OFF
ON

Settings
Hardware
Software

Standard and approvals

CE

EMC Directive 2014/30/EU, class B Digital Device

RoHS Directive 2011/65/EU

FCC

47 CFR 15, Unintentional Radiator, class B Digital Device.

UL

Report reference: E468970

Standards for safety: UL 508 – Industrial Control Equipment CSA C22.2 No. 142-M1987 – Industrial Control Equipment

Complies with 21 CFR 1040.10 and 1040.11, Class 1 (I) except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007

Others

Head Station firmware

ALL

MTBF 2595178 hours, at 30° Celsius, IEC TR 62380
Order Codes   101-201101
Included Components Anybus ComBricks, backplane socket
Warranty  1 year

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