Appendix E: Periheral Unit Drive Circuit - Mettler Toledo xpress XTC Bedienungsanleitung

Appendix E: Periheral Unit Drive Circuit

Peripheral unit drive circuit connector only connects to peripheral units such as
cash drawers, etc.
Do not connect it to a telephone.
Use cables which meet the following specifications.
Peripheral Drive Connector
Signal
Pin No.
name
1 FG Frame ground
2 DRD1 Drive signal 1
3 +24V Drive power
4 +24V Drive power
5 DRD2 Drive signal 2
6 DRSNS Sense signal
Modular plug
Notes: 1. Pin 1 must be shield drain wire connected to peripheral device
frame ground.
2. It is not possible to drive two drives simultaneously.
3. The peripheral drive duty must satisfy the following:
ON time / (ON time + OFF time) ≤ 0.2
4. The resistance of the peripheral drive solenoid must be 24 Ω or
higher.
If it is lower than 24 Ω, over-current may flow into the solenoid,
causing the solenoid to burn.
I/O
Function
direction
—
OUT
OUT
OUT
OUT
IN
Modular plug: MOLEX 90075-0007,
AMP641337, or BURNDY B-66-4
– 108 –
6
<Viewed from Connector Surface>
Shield
Wire lead
1