Peripheral Unit Drive Circuit; Emergency Suspension - Star Micronics DP8340 Series User Manual

7-5. Peripheral Unit Drive Circuit

The Control Board of this printer is equipped with a circuit for driving periph-
eral units (Paper Cutter, Take-Up Device, Cash Drawer, etc.)
The 6P Modular Jack is used as the Drive Circuit. When using this circuit, con-
nect the peripheral unit cable to the 6P Modular Jack (cable is not included).
Note: P eripheral unit drive circuit connector only connects to peripheral units
such as cash drawers, etc.
Do not connect it to a telephone.
1. Drive Circuit
drive
12V,MAX. 1A
Output
Absolute Ratings (Ta = 25˚C)
d Voltage Breakdown
1
d Forward Current
2
Note: It is impossible to drive pe-
ripheral devices 1 and 2 at the
same time. To drive them con-
tinuously, set the duty cycle
ratio to 20% or less.
Figure 7-6. 6P Modular Jack Connector
Note: M ake sure that the metal structural parts of the peripheral device are
connected to frame Ground (Pin 1) to provide a static drain path.
2. Control code
Codes for Drive Circuit control are ESC BEL n
Refer to the Control Codes in Section 5.

7-6. Emergency Suspension

If an error condition is detected during operation, the printer will stop printing
and ERROR signal will go Low. It is necessary to turn the printer power off and
on again in order to recover from the emergency suspension.
This printer can detect the following error conditions:
a. Motor Lock
b. Defective timing detector
c. Micro-processor out of program sequence.
F.G.
+12V
400V
1A
– 23 –
CN8
1 Frame Ground(F.G.)
2 Peripheral Drive 1
D1
3 +12V
2A
4 +12V
D2
5 Peripheral Drive 2
6 Motor Ground(M.G.)
[Printer side]
Figure 7-5. Drive Circuit
Modular plug: MOLEX 90075-0007,
AMP641337, or BURNDY B-66-4
Figure 7-7. Recommend Cable
n , BEL, FS and SUB.
1 2