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document without notice. The information herein is believed to
be accurate. No responsibility is assumed by AMG for its use.
Page 7 of 8
AMG5526 Instruction Sheet D17299-
00.doc
The system detects a tri-state input condition on the data channel bus when in RS-485 or RS-422
mode.
Data Interface Connections
Data Channels 1 and 2.
Connector
Pin No.
Data Channel
RS-485
[switch top]
RS-422
[switch middle]
RS-232
[switch bottom]
1
IN + (A)
IN
2
IN - (B)
3
GND
GND
GND
4
5
6
7
IN/OUT + (A)
OUT + (A)
8
IN/OUT - (B)
OUT - (B)
OUT
Note: (A) or (B) in brackets in the above table refers to RS-485 / RS-422 data specification.
Alarm Channel Configuration
The
AMG5526
provides 2 uni-directional alarm outputs per channel.
Each alarm output provides a set of contacts from a solid state relay.
Alarm Output 1
: provides a pair of normally open, volt-free contacts.
Alarm Output 2
: provides a normally open, switched contact to Ground (0V / GND).
Alarm Interface Connections
Channels 1 & 2
Connector Pin
No.
Alarm Interface
Alarm 1
Alarm 2
1
2
3
ALARM 2 GND
4
ALARM 2 OUT +
5
ALARM 1 OUT -
6
ALARM 1 OUT +
7
8