Matrix-orbital GLK12232-25-FGW Uživatelský manuál stáhnout pdf (Strana 12)

Table 1: Hardware Information

1 Power / Data Connector 4 Protocol Select Jumpers

2 Keypad connector 5 Filesystem Lock Jumper

3 GPO 6 Manual Override

2.1 Power/Data Connector

ThePower/DataConnector providesa standardconnectorfor powering thedisplay module. The GLK12232-

25 requires ﬁve volts for the standard display module. Extended voltage options are available as an add-on,

please contact a sales representative for additional information. The voltage is applied through pins one and

four of the four pin Power/Data connector. Pins two and three are reserved for serial transmission, using

either the RS-232/TTL or the I

C protocol, depending on what has been selected by the Protocol Select

Jumpers.

Pin 1 PWR (See table 2)

2 Rx \ SCL (I

C clock)

3 Tx \ SDA (I

C data)

Pin 4 GND

Figure 12: Power Connector and Pin-out

Table 2: Power Requirements

Supply Voltage +5Vdc ±0.25V

Supply Current 46 mA typical

Supply Backlight Current 84 mA typical

Matrix Orbital GLK12232-25 7

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 65 66

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Matrix-orbital GLK12232-25-FGW Uživatelský manuál Strana 12