System Control Bits - Graco Therm-O-Flow 25C994 Instructions Manual

Appendix A - I/O Signal Descriptions
Status Word 2 Indication Bits
Bit Hex
Number Equivalent
0 0x0001
1 0x0002
2 0x0004
3 0x0008
4 0x0010
5 0x0020
6 0x0040
7 0x0080
8 0x0100
9 0x0200
10 0x0400
11 0x0800
12-15 ------

System Control Bits

The following table reflects the bit variables in output instance 4, which can be set or cleared to control the following
conditions.
Bit Hex
Number Equivalent
0 0x0001
1 0x0002
2 0x0004
3 0x0008
4 0x0010
5 0x0020
6 0x0040
7 0x0080
8 0x0100
9 0x0200
10 0x0400
11 0x0800
12 0x1000
13-15 ------
1 Same as pressing on the main Run screen.
2 Same as pressing on the main Run screen.
3 Same as pressing on the main Run screen.
4 Same as pressing on the main Run screen.
5 Same as pressing or
14
Binary Number
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0100
0000 0000 0000 1000
0000 0000 0001 0000
0000 0000 0010 0000
0000 0000 0100 0000
0000 0000 1000 0000
0000 0001 0000 0000
0000 0010 0000 0000
0000 0100 0000 0000
0000 1000 0000 0000
------
Binary Number
0000 0000 0000 0001 Turn ON Heat Command for System A Command
0000 0000 0000 0010 Turn ON Head Command for System B Command
0000 0000 0000 0100 Turn ON/Prime Pumps for System A Command
0000 0000 0000 1000 Turn ON/Prime Pumps for System B Command
0000 0000 0001 0000 Setback Command System A
0000 0000 0010 0000 Setback Command System B
0000 0000 0100 0000 Cross Over Command
0000 0000 1000 0000 Pause Material Tracking/Counters Command
0000 0001 0000 0000 Continue Material Tracking Command
0000 0010 0000 0000 Command Setpoint Indications on Map for System B
0000 0100 0000 0000 Command Setback Setpoint Indications for System B
0000 1000 0000 0000 Heart Beat Output to TOF
0001 0000 0000 0000 PLC Control Command
------
on the main Run screen.
Heat Soak Timer Active for Primary (A) System
Heat Soak Timer Active for Secondary (B) System
Turn ON Primary System (A), Heat Command Active
Turn ON Secondary System (B), Heat Command Active
Prime/Pump on A Command Active
Prime/Pump on B Command Active
Setback A Command Active
Setback B Command Active
Cross Over Command Active
PLC Control Active Indication
Heart Beat Indication for PLC from TOF (
)
Control Bits
Error/Event Reported is an Alarm
Reserved for Future Use
Description
Reserved for Future Use
Description
See Note 7 in System
Notes
1
1
2
2
3
3
4
5
5
6
6
7
8
3A5186B