Part number

used on

exists in field

PCB blank Issue

Assembly Issue

Effective Date

ECN

description

0004 0000

BLR/DIN/RLY/...

blank PCB

0004 0001

BLR/DIN/STD/…
BLR/DIN/DOM/…

yes

A

1

04/04/96

New

6x Relay output
4x Analogue input 1..3 water, 4 outside air
Auxiliary supply connections

no

B

2

18/10/96

RM230896.FAX

Added extra 2 I/P channels. Cut & Strap modifications incorporated. increased EPROM addressing capability (from 32k to 64K)

no

C

3

19/12/96

RM251196.FAX

Clean up of Issue B

no

C

4

13/03/97

-----

Generated separate Parts List for 6 I/P version

no

C

5

06/06/97

-----

Changed D20 from green to yellow

0004 0002

BLR/DIN/STD/…
BLR/DIN/DOM/…

MON/DIN/6R

yes

C

4

13/03/97

New

6 x Relay output
6 x Analogue input 1..5 water, 6 outside air
Auxiliary supply connections
Generated new Parts List for 6 I/P version.

0004 0002

yes

C

5

06/06/97

-----

Changed D20 from green to yellow

0004 0003

MON/DIN/6R/...

yes

C

5

11/11/99

ECN0018

Monitoring variant 0-10V i/p