Hardware Manual

Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22

Saia-Burgess Controls AG

Internal LED displays and small terminals

CPUs and expansion housings

3

The effect of the DSP R x instruction is dependent on the mode of the 7-segment

display:

Mode Content of R x Effect of DSP R x instruction

6-digit - 99,999 to

+999,999

outside this

range

The value in the register is displayed right-justified. Only

integer values in decimal format can be displayed

no display; the error flag is set

2-digit 0 to 99

outside this

range

The value is displayed in the two rightmost digits. The four

digits to the left of these are unchanged

No display; the error flag is set

Free

mode

0 to 11111111

binary or

0 to 255

decimal

The segments of the rightmost digit are set

according to the following layout:

(Bit 0 = lowest value bit)

Example: R x is binary 01110101; a 3 is displayed

with no decimal point 0

1

2

3 4

5

6

7

3.18.2 PCD2.F530 7-Segment LED display (PCD2.M120/M150 only)

This module combines the 7-segment display of a PCD2.F510 (please refer to the

preceding section) and the two serial ports of a PCD2.F520 (details in section 3).

3.18.3 PCD7.D16x Small terminal kits

The PCD1 and PCD2 CPUs can be fitted with a small terminal, mounted in the cover:

There are 4 × 16 characters available, and the dialogue can be conveniently created

in the HMI Editor. The HMI Editor is an integral part of the PG5 software.