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Technical Manual EMP 8x0.00/04/13 v5 wh Münzprüfer Dietmar Trenner GmbH, Germany
Version 1.51
Page 18/42 subject to technical modification EMP8x0.00/04/13 v5
2.3.6 Parallel Output Connector (ST EMP)
The parallel output connector is a 10-pin, dual row .1-inch center jack as specified
by DIN 41651. The connector has the following pin out:
Pin No. Connection
1 GND
2 Power supply (UB)
3 coin output 5
4 coin output 6 or inventory impulse
5 Reject (active low)
6 general blocking (input)
7 coin output 1
8 coin output 2
9 coin output 3
10 coin output 4
2.4 Coin Blocking
Coin blocking may be accomplished in various ways. One possibility is the general
blocking input line, which will block the coin selector from accepting all coins.
Secondly, it is possible is to block coins or groups of coins individually through 16
DIP blocking switches on the coin selector. The DIP blocking switches are
accessible through a recess in the coin selector cover.
The (/O) factory option can be specified for the individual blocking of up to 6
different channels or groups of channels via the six parallel output lines.
2.4.1 General Blocking
General blocking is activated through pin 6 of the 10-pin connector on the coin
selector. The general blocking signal is a standard active “high” to block. Unless
programmed otherwise, an open (unconnected) input will allow coins to be
accepted. Any voltage between 5 and 24 V DC is considered a high signal.
The signal polarity of the blocking line is programmable. The programming can be
carried out using wheasy 3 under the menu selection “Configuration“. Select “B-
Values”, select the register tab “Mode.“ This tab, among other things, has a check
box for “Main blocking with 0” and “Main blocking with an open input.” The
following table shows all combinations of the above two options.
selected check box general blocking input
general blocking
with “0“
general blocking with
an open input
HIGH LOW TRISTATE
X
X X X
X X
X X X X
Table 1 The function of general blocking in relationship to the programmed
mode of the coin selector.