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Tokheim converter (979 KB)
- technical guide
Tokheim dispenser interface converter (RS-485/RS-232 to Tokheim current loop and backwards) is intended for communication with Tokheim dispensers through interfaces:
- RS-232,
- RS-485 (half-duplex),
- RS-485 (full-duplex),
- RS-485 (half-duplex with control over RTS) (used for PTS controller over fuel dispensers and ATG systems for petrol stations)
Tokheim dispenser interface converter allows connection of up to 4 Tokheim fuel dispensers.
TECHNICAL CHARACTERISTICS:
Specification:
| Power supply voltage |
+12 V DC |
| Current consumption |
100 mA max |
| Temperature range |
-40°C ÷ +80°C |
| Weight |
100 g |
| Overall dimensions |
145 x 100 x 15 mm |
Technical characteristics:
| Current level in current loop interface in TTD line (transmit to dispenser) |
Adjustable using jumpers XP7, XP8, XP9, XP10, located on Tokheim PCB board, selected values: 10 mA, 12 mA, 15 mA |
Current level in current loop
interface in TTC line (transmit to
controller)
|
Adjustable using jumpers XP11, XP12, XP13, XP14, located on Tokheim PCB board, selected values: 20 mA, 35 mA, 55 mA |
Communication ports:
| PORT NAME |
INTERFACE |
PURPOSE |
| PC PORT (RS-232) |
RS-232 |
Selection of interface is made using jumpers XP4, XP5, XP6, located on Tokheim PCB board. Interface RS-485 (half-duplex with control over RTS), which is marked as PTS on PCB board serves for connection with PTS controller over fuel dispensers and ATG systems for petrol stations |
| PC PORT (RS-485) |
RS-485 (half-duplex), RS-485 (full-duplex), RS-485 (half-duplex with control over RTS) |
| PUMP PORT 1 |
Optically isolated Tokheim passive current loop |
Connection with Tokheim fuel dispensers using 3 wires (TTD, DCC, TTC). One Tokheim dispenser is to be connected to each of the pump ports |
| PUMP PORT 2 |
| PUMP PORT 3 |
| PUMP PORT 4 |