
FOC-M12-MNNA-TC...
6 / 8 PHOENIX CONTACT 103995_en_02
9 Block diagram
Figure 5 Block diagram
10 I
2
C interface
10.1 I
2
C addresses
PRE-AMP
POST-AMP
Quantizer
Management
LED
Driver
1
2
3
5
4
6
7
10
12
11
9
8
RD+
RD-
SD
RxGnd
RxVcc
SDA
SCLK
TxDisable
TxVcc
TxGnd
TD+
TD-
Serial address = A0 (hex)
Address (hex) Field size (byte) Name Description
00-5F 96 Serial ID GP NVRAM; R/W under valid OEM password
60-7F 32 Vendor Specific Vendor-specific EEPROM
80-FF 128 Reserved Reserved for future use
Serial address = A2 (hex)
Address (hex) Field size (byte) Name Description
00-27 40 Alarm and Warning
Threshold
High/low limits for warnings and alarms
28-37 16 Reserved Reserved – do not write; reads undefined
38-5B 36 Calibration Constants Numerical constants for external calibration
5C-5E 3 Reserved Reserved – do not write; reads undefined
5F 1 Checksum GP NVRAM; R/W under valid OEM password
60-69 10 Analog Data Real-time analog parameter data
6A-6D 4 Reserved Reserved – do not write; reads undefined
6E 1 Control/Status Bits Control and status bits
6F 1 Reserved Reserved – do not write; reads undefined
70-71 2 Alarm Flags Alarm status bits; read only
72-73 2 Reserved Reserved – do not write; reads undefined
74-75 2 Warning Flags Warning status bits; read only