Black Box 232/CL-E Manual Download Page 1

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CUSTOMER

SUPPORT

INFORMATION

SEPTEMBER 1998

CL050A

CL050A-R2

CL050C

CL050AE

RM005

RS-232

Current Loop

Interface Converter

(232/CL-E)

232/CL-E

RX TX

Order

toll-free

in the U.S. 24 hours, 7 A.M. Monday to midnight Friday:

877-877-BBOX

FREE technical support, 24 hours a day, 7 days a week: Call

724-746-5500

or fax

724-746-0746

Mail order:

Black Box Corporation

, 1000 Park Drive, Lawrence, PA 15055-1018

Web site:

www.blackbox.com

• E-mail:

[email protected]

Summary of Contents for 232/CL-E

Page 1: ...er 232 CL E 232 CL E RX TX Order toll free in the U S 24 hours 7 A M Monday to midnight Friday 877 877 BBOX FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail order Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com ...

Page 2: ...ommercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatu...

Page 3: ...camente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de operación Todo otro servicio deberá ser referido a personal de servicio calificado 9 El aparato eléct...

Page 4: ...ado únicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deberá ser localizada lejos de las lineas de energia 16 El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilación 18...

Page 5: ...6 RS 232 CURRENT LOOP INTERFACE CONVERTER TRADEMARKS All applied for and registered trademarks are the property of their respective owners ...

Page 6: ...tmeter Test 12 4 2 Connecting the Current Loop Wires to the CL050A 12 4 2 1 4 Wire Current Loop 12 4 2 2 2 Wire Current Loop 13 4 3 Switch SWA 17 4 4 Switch SWB 17 5 The RS 232C Interface 18 5 1 The RS 232C Interface Pinout 18 5 2 Switch SWC 19 5 2 1 DCE 19 5 2 2 DTE 19 6 Operations and Troubleshooting 20 6 1 Indicators 20 6 2 Self Test 21 7 Current Loop Rack and Cards 22 7 1 Description 22 7 2 Sp...

Page 7: ...r RS 232 DTE or DCE configuration 4 position DIP switch for electrical current in the current loop Maximum Transmission Distance based on using 24 AWG solid copper wire at 9600 bps 300 to 400 meters 984 to 1 312 feet at 300 bps 1000 to 3000 meters 3 281 to 9 843 feet Power Input 115 220 VAC 50 to 60 Hz 12W Output 18 VAC center tapped 8VA Size 1 75 H x 5 5 W x 8 5 D 4 4 x 14 x 21 6 cm Weight 1 5 lb...

Page 8: ...urrent loop As an active device the CL050 supplies 20 30 or 60 ma loop current at 18 VDC for operation As a passive device the CL050 will not supply loop current but it will operate with 20 30 or 60 ma unipolar current at up to 30 VDC WARNING Only one device on the current loop may be active If more than one device is active each of the devices will be permanently damaged Refer to Sections 4 1 and...

Page 9: ... on page 11 6 Connect your current loop to the CL050 See Section 4 2 on page 12 7 Insert the back panel into its guide making sure the power supply cable and current loop cable exit through the holes provided for them 8 Set switches SWA SWB and SWC to the desired positions The CL050 is shipped with SWA set to Full Duplex Passive SWB set to 20mA receive 20mA transmit and SWC set to DTE See Sections...

Page 10: ...ent 4 1 1 LED TEST 1 Unplug the CL050 from the AC outlet 2 Set the SWA switch to full duplex passive 3 Attach the T of the 4 wire current loop device or in a 2 wire current loop to R of the CL050A 4 Attach the T of the 4 wire current loop device or in a 2 wire current loop to R of the CL050A See Figure 4 1 4 wire current loop or Figure 4 2 2 wire current loop 5 Plug the CL050 into the AC outlet 4 ...

Page 11: ... the Current Loop Wires to the CL050A When you attach current loop wires to the CL050 the unit should not be connected to an AC outlet Unless very fine stranded wire cable is used wire tinning is not required Just insert the wire into the receptacle and tighten the screw The wire will be firmly gripped by the terminal Table 1 details how the current loop should be connected to the CL050 Refer also...

Page 12: ...wire half duplex multipoint current loop depend on whether the CL050 is used as an active or passive unit Note the connections in Table 1 The connections are also shown in Figures 4 5 4 6 and 4 7 Note Not all 2 wire current loops are bidirectional half duplex Some current loops are simplex ...

Page 13: ...14 RS 232 CURRENT LOOP INTERFACE CONVERTER T T R R T T R R T T R R T T R R Figure 4 4 4 Wire Multipoint T T R R R R T T Figure 4 3 4 Wire Point to Point Passive Passive Passive Active ...

Page 14: ...OP INTERFACE CONVERTER T T R R Figure 4 6 2 Wire Half Duplex Multipoint CL050 passive T T R R Figure 4 5 2 Wire Point to Point half duplex CL050 set to half duplex active CL050 Passive Jumper Passive Passive Active Passive ...

Page 15: ...16 RS 232 CURRENT LOOP INTERFACE CONVERTER Figure 4 7 2 Wire Half Duplex Multipoint CL050 active T T R R CL050 active Passive Passive Passive ...

Page 16: ...e Active Transmit 1 0 1 0 1 0 1 0 1 0 Full Duplex Active Receive Passive Transmit 0 1 0 1 0 0 1 0 1 0 Half Duplex Passive 2 wire operation 0 1 0 0 1 1 1 0 1 0 Half Duplex Active 2 wire operation 4 4 Switch SWB Switch SWB controls loop current 20 30 60 mA The CL050 is shipped with the SWB in a 20mA receive 20mA transmit configuration Note 0 indicates OPEN and 1 indicates CLOSED SW1 SW2 SW3 SW4 Loop...

Page 17: ...CONDARY TRANSMITTED DATA DCE TRANSMITTER SIGNAL ELEMENT TIMING SECONDARY RECEIVED DATA RECEIVER SIGNAL ELEMENT TIMING SECONDARY REQUEST TO SEND DATA TERMINAL READY SIGNAL QUALITY DETECTOR RING INDICATOR DATA SIGNAL RATE SELECTOR DTE TRANSMITTER SIGNAL ELEMENT TIMING PROTECTIVE GROUND TRANSMITTED DATA RECEIVED DATA REQUEST TO SEND CLEAR TO SEND DATA SET READY SIGNAL GROUND COMMON RETURN RECEIVED LI...

Page 18: ...SW6 OPEN Pin 4 RTS not connected SW7 CLOSED Ties Pin 5 CTS to Pin 20 DTR SW8 OPEN Removes High on Pin 20 DTR If system does not use DTR raise CTS by CLOSING both SW7 and SW8 SW9 CLOSED Place High on Pin 6 DSR SW10 Not Used 5 2 2 DTE When configuring the CL050 as a DTE the 10 position DIP switch is set as follows SW1 Not Used SW2 CLOSED With SW3 OPEN Data Out is on Pin 2 SW3 OPEN SW2 and SW3 are AL...

Page 19: ...ive passive options Off The CL050 is not connected to an AC outlet or loop current is flowing continuously which is normal in an idle state Flashing Data is being transmitted from the RS 232 port to the RS 232C interface RX LED On Continuously Error Call Technical Support Off No data being received by the RS 232 port Flashing Data is being received by the RS 232 port from the RS 232C interface 6 O...

Page 20: ...l internal circuitry is operational 6 2 Self Test Follow these instructions to test the internal circuitry of the CL050 1 Unplug the CL050 from AC outlet 2 Set switch SWA to full duplex transmit active receive passive 3 Set switch SWC to DCE configuration 4 Attach a DTE device using a straight pinned cable from the DTE to the CL050 5 On the CL050 connect a wire from T to R T R DTE DCE Configuratio...

Page 21: ...built in AC power supply The operation of the CL050C is the same as the CL050 WARNING Do not apply primary power until after you have properly configured the RM005 power supply For 115 VAC 15 primary power Set 115 230 7 Current Loop Rack and Cards voltage selector switch to 115 and make sure the input fuse is rated at 1 A For 230 VAC 15 primary power The voltage selector switch must be set to 230 ...

Page 22: ...verall Width 19 48 3 cm Inside Width 17 43 2 cm Depth 10 5 26 7 cm Height 5 25 13 3 cm PC Card Size Length 7 5 19 1 cm Width 3 6 9 1 cm Rack Weight 19 6 lb 8 9 kg without cards installed PC Card Weight 4 5 ounces 128 g Rack Switches On Off Power Switch 115 230 VAC Selector Switch Rack Indicators None Figure 7 2 RM005 with CL050C ...

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