R40 MODEM EXPANDER MODULE p 15
Pos.
Value Function
hex
hex
12
TTxx PLC Timer Tick 1/1200-256/1200.
xxRR PLC Run Flags.
13
XXXX PLC Flag/Accumulator Bits. Setting the “S” bit = xxx2 redirects
PLC texts from the modem to either serial port.
14
VVVV PLC 16-bit Accumulator .
15
TTTT PLC 16-bit Timer .
16
E0/xx- Real Time Clock fine tuning. 0/0/xx = no adjustment.
-1Fxx
xx0/0/- Real Time Clock 10 ms counter, reset at 99*10 ms.
-xx63
17
0/0/0/0/- Real Time Clock seconds counter. Running a PLC DATE
-FFFF instruction changes it to a seconds counter.
18-1F
R40 help cells, do not change.
20/
18 h Timer FFF0/ = Modem restart
0/0/0/0/ = Recheck Signal
0/0/24 = No timeout
21
8xxx
No Connect to SIM card operator.
0/0/xx- Signal Strength
-1Fxx
22-23
Serial Port Select Code, four characters when Q2=1.
24
MMxx Modem Code Fifth Letter, trailing a valid code.
xxSS Serial Port Code Fifth Letter, trailing a valid code.
R40 MODEM EXPANDER MODULE p 16
Pos.
Value Function
hex
hex
25
XXXX Optional Pulse Counter, incrementing on I5 negative edges.
26-37
Free memory for PLC use.
38
Supply Voltage Level, 80..500 ~ 8,0..50,0V.
39
0/0/xx- Analogue Input Value for I5 for 0 - 10 V. Refer to page 9.
-FFxx Normally with a pullup to 4 V.
xx0/0/- Analogue Input Value for I6 for 0 - 10 V.
-xxFF Normally with a pullup to 4 V.
3A-3F
R40 help cells, do not change.
40/-4F
Communication Parameter Pairs for SIOX Spy or PLC use.
50/-7F
R40 help cells, do not change.
80/-FF
PLC Program Area, refer to PLC manual.
10/0/-13F
Modem Receive Buffer (EEPROM=free user area)
140/-17F
Modem Transmit Buffer (EEPROM=free user area)
180/-1BF
Serial Ports Receive Buffer (EEPROM=free user area)
1C0/-1FF
Serial Ports Transmit Buffer (EEPROM=free user area)
20/0/-7FF
User Area (EEPROM only)