Interfaces / Accessories; Interface Definition - Mettler Toledo PS7 Instrucciones De Manejo

8

Interfaces / accessories

8.1

Interface definition

As standard equipment the PS7 scale has a double RS232C interface while the PS7-X has a single RS232C interface.
The interface(s) are available via the 9-pin sub-D socket. The maximum cable length is 15 m. The interfaces are
configured in Master Mode (see Section 6.2).
Built-in interface(s)
RS232C, 9-pin D-sub, f
Assignments
5 4 3 2 1
9 8 7 6
TxD: Transmit data
GND: Signal ground
nc: Not connected
8.2 Accessories
Accessory
Protective cover (set of 5)
Y-cable
(9-pin D-sub, m, COM1/2 f)
RS232 cable for PC 1.8 m (9-pin D-sub, m/f, 1:1)
Assignment on Assignment on
PS7
Pin 1 nc
Pin 2 TxD 1
Pin 3 RxD 1
Pin 4 nc
Pin 5 GND
Pin 6 nc
Pin 7 RxD 2
Pin 8 TxD 2
Pin 9 VCC (5V, ≤50mA)
RxD: Receive data
VCC: Voltage (+5V, ≤50mA)
ME-21203892
COM1,2
+5V
2 interfaces with use of
PS7-X Y cable (accessory), PS7 only
COM1
nc –––
TxD 1 TxD 1
RxD 1 RxD 1
nc –––
GND GND
nc –––
nc –––
nc –––
nc –––
COM1
1:1
ME-00410024
Cable on
display
or
COM2
Printer-specific
+5V
cable
Paint Scale PS7, PS7-X
COM2
–––
TxD 2
RxD 2
–––
GND
–––
–––
–––
VCC (5V, ≤50mA)
Art. no.
21302841
21203892
PC
Auxil.
display
Printer
00410024
25