Interface specifications

Power LV

 

 

Rated voltage

12 to 48 VDC or 12 to 34 VAC

Operating voltage

10 to 60 VDC or 10 to 42 VAC

Rated current

150 mA @ 12 VDC

 

  70 mA @ 24 VDC

 

  40 mA @ 48 VDC

 

150 mA @ 12 VAC

 

  70 mA @ 24 VAC

Rated frequency

DC: – 

 

 

AC: 48 – 62 Hz

Inrush current I2t

0.25 A2s

 

Startup current*

0.30 Apeak

 

Polarity

Polarity independent

Isolation to

All other ports 3 kVrms 50 Hz 1 min

Connection

Detachable screw terminal

Connector size

0.2 – 2.5 mm2 (AWG 24-12)

Shielded cable

Not required

 

*  External supply current capability for proper startup

 

 

Public Switched Telephone Network (PSTN)

Electrical specification

Public Switched Telephone Network

Data rate

300 bit/s – 33.6 kbit/s

Protocol

Bell103, Bell212,V.21,V.22,V.22Bis,V.23C,V.32,V.32Bis,V.34,V.90

Protection

Installation Fault Tolerant (up to ±60 V)

Isolation to

Power port

3 kVrms 50 Hz 1 min

 

RS-232

2 kVrms 50 Hz 1 min

Connection

RJ-11C

 

Shielded cable

Not required

 

 

 

 

RS-232

 

 

Electrical specification

EIA/TIA-232

 

Data rate

1 200 bit/s – 115.2 kbit/s

Data format

7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits; Σ 9-12 bits

Protocol

Transparent

 

Retiming

Yes

 

Transmission range

Cable length < 15 m

Isolation to

Power port

3 kVrms 50 Hz 1 min

 

RS-232

2 kVrms 50 Hz 1 min

Connection

9-pin D-sub female (DCE) and Detachable screw terminal (DCE )

Connector size

Detachable screw terminal 0.2 – 2.5 mm2 (AWG 24 – 12)

Shielded cable

Not required **

Conductive housing

Isolated to all other circuits

**  To minimise the risk of interference, a shielded cable is recommended when the cable is located inside 3 m boundary to the rails and connected to this port.The cable shield should be properly connected (360°) to an earthing point within 1 m from this port.This earthing point should have a low impedance connection to the conductive enclosure of the apparatus cabinet, or similar, where the unit is built-in.This conductive enclosure should be connected to the earthing system of an installation and may be directly connected to the protective earth.

6619-2202

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AB Soft TDW-33 manual Interface specifications, Power LV, Public Switched Telephone Network Pstn, RS-232, EIA/TIA-232

TDW-33 specifications

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