100/180 mm PAPERLESS GRAPHIC RECORDER: USER GUIDE
User Guide
Page 9
HA028910
Issue 13 Sep 16
2.2.1 SIGNAL WIRING (Cont.)
Figure 2.2.1d (Cont.) Option wiring sheet 2 (Serial communications)
2.2.2 Supply voltage wiring
Note: The minimum recommended wire size is 20AWG equivalent to 16/0.2 (0.5mm
2
).
LINE SUPPLY
The supply voltage to the recorder is terminated using an IEC socket which is connected to the mating
plug at the rear of the recorder. The recorder is suitable for use with all ac voltages between 85 and 265
V RMS (47 to 63 Hz), and requires 50 W max. power.
LOW VOLTAGE SUPPLY OPTION
1
Not suitable for recorders fi tted with the isolated transmitter power supply option.
The low voltage supply option is terminated at a three-pin connector (plug mounted on recorder - socket
on supply cable) as shown in fi gure 2.2.2. The option allows the use of ac or dc supplies with the follow-
ing characteristics:
AC: 20 to 42V RMS (45 to 400 Hz)
DC: 20 to 54V (See warning above)
Power:
50 W max.
+V or ac
Earth
0V or ac
Figure 2.2.2 Low voltage supply pinout (view on fi xed connector face)
1)
Option obsolete.
EIA485 (5-wire)
Pin
1
2
3
4
5
6
7
8
9
Signal
RxA
NC
NC
NC
Signal ground
RxB
TxA
TxB
EIA232C
Pin
1
2
3
4
5
6
7
8
9
Signal
NC
Rx
Tx
DTR
Signal ground
NC
NC
NC
EIA485 (3-wire)
Pin
1
2
3
4
5
6
7
8
9
Signal
Link to pin 7
NC
NC
NC
Signal ground
Link to pin 8
TxA/RxA
TxB/RxB
1
6
5
9
View on solder-bucket face
of user socket
