Westermo MA-42 AC Installation Manual Download Page 2

8

6042-2002

Specifications

Transmission

Asynchronous, full/half duplex or simplex

Interface 1

EIA RS-232-C/RS-423-A
CCITT V.24/V.10
25-position D-sub female, DCE

Interface 2

EIA RS-422/RS-485/CCITT V.11

Data rate

Up to 115,2 kbit/s

Indicators

Power, RD, DCD, CTS, RTS, TD

Insulation

Galvanic insulation with opto-coupler 
(data transmission) and transformer (supply)

Insulation voltage

1500V

Overvoltage protection

Mains: Breakdown voltage 440V at 
230V AC and 220V at 115V AC
Interface 2: Breakdown voltage transmitter 
and receiver 7V
Surge capacity 0.6 kW for 1ms

Power supply

Switchable 115/230V +15/–10% 48-62Hz

Fuse

100 mA fast 5x20mm

Power consumption

Max 25 mA at 230V AC

Temperature range

5–50°C, ambient temperature

Humidity

0–95% RH, non-condensing

Dimensions

161x53x139 mm (WxHxD)

Weight

0.5 kg

Mounting

With rubber pads or screws. Screws: 
Remove the two "keyholes" on the bottom of the case.

DANGER! DO NOT OPEN CONNECTED UNIT

Switch settings

The MA-42 can through different switch settings be adapted to a variety of running 
conditions. To set the switches, open the plastic case by placing and turning a screw-dri-
ver between top and bottom at the rear of the case.

1 2 3 4 5

V.24/RS-232-C
CONNECTION

LINE

CONNECTION

Summary of Contents for MA-42 AC

Page 1: ...485 RS 232 RS 422 485 Wandler INSTALLATIONSANVISNING INSTALLATION MANUAL INSTALLATIONS ANLEITUNG 6042 2002 www westermo se MA 42 AC MA 42 DC Westermo Teleindustri AB 1999 REV A Galvanic Isolation Tra...

Page 2: ...itter and receiver 7V Surge capacity 0 6 kW for 1ms Power supply Switchable 115 230V 15 10 48 62Hz Fuse 100 mA fast 5x20mm Power consumption Max 25 mA at 230V AC Temperature range 5 50 C ambient tempe...

Page 3: ...ay 0ms S2 S2 20ms S2 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 Selection of 2 4 wire 4 wire S3 2 wire S3 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 S1 Selection of power supply 115V 230V AC S2 Selection of sign...

Page 4: ...CCITT V 24 Circuit number Line connection 1 If shielded cable is used connect the shield only at one end to avoid ground currents Transmission range interface 2 Use twisted pair cable Max transmission...

Page 5: ...n 1000V Fuse F1 1 6A fast 5x20 mm All other specifications according to MA 42 AC Switch settings According to MA 42 AC Connections According to MA 42 AC except power supply Connection no Power Supply...

Page 6: ...done with RS 485 2 wire and RS 422 4 wire On 4 wire systems when the MA 42 is working as a slave the transmitter is linked to the same bus as all the other slaves transmitter A status signal RTS or D...

Page 7: ...13 6042 2002 Max 1200 metres Max 32 connections Max 32 connections Shortest possible max 0 3 metres Termination 3 4 4 1 4 2 3 1 4 2 3 1 4 3 3 4 3 4 3 1 2 3 4 Termination...

Page 8: ...w westermo de Westermo Data Communications Ltd Unit 14 Talisman Business Centre Duncan Road Park Gate Southampton SO31 7GA Phone 44 0 1489 580 585 Fax 44 0 1489 580586 E Mail sales westermo co uk Web...

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