Metrawatt DIN Draft 19244 Interface User's Guide

GOSSEN METRAWATT GMBH 30
4.3.2 Control status controller channel (PI = 20h):
Bit No. Value Meaning Remarks
2 - 0
000
001
010
011
Controller type =
Limit monitor
Positioner
Two-state controller Heat / continuous controller falling characteristic
Two-state controller Cool / continuous controller rising characteristic
100
101
110
Three-state controller / split range controller
Three-state controller Water cooling
Step controller
Not for marking A1
111 Impermissible
3 - 6 0
7 0 / 1 SP active / SP 2 active Read only
8 0
9 0 / 1
Self-optimizing Stop / Start
Not for controller types 000, 001
1)
1) Otherwise bit 12 "Error at start of self-optimizing" will be set in error status word 1 (see 3.4)
10 0
11 0 / 1
Binary input 2 open / closed
2)
2) Standard: switch-over automatic / manual mode
Read only
12 - 15 0