Graco Therm-O-Flow 25C994, Instructions Manual

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Appendix A - I/O Signal Descriptions
14 3A5186B
Status Word 2 Indication Bits
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.
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 on the main Run screen.
Bit
Number
Hex
Equivalent
Binary Number Description
0 0x0001 0000 0000 0000 0001 Heat Soak Timer Active for Primary (A) System
1 0x0002 0000 0000 0000 0010 Heat Soak Timer Active for Secondary (B) System
2 0x0004 0000 0000 0000 0100 Turn ON Primary System (A), Heat Command Active
3 0x0008 0000 0000 0000 1000 Turn ON Secondary System (B), Heat Command Active
4 0x0010 0000 0000 0001 0000 Prime/Pump on A Command Active
5 0x0020 0000 0000 0010 0000 Prime/Pump on B Command Active
6 0x0040 0000 0000 0100 0000 Setback A Command Active
7 0x0080 0000 0000 1000 0000 Setback B Command Active
8 0x0100 0000 0001 0000 0000 Cross Over Command Active
9 0x0200 0000 0010 0000 0000 PLC Control Active Indication
10 0x0400 0000 0100 0000 0000
Heart Beat Indication for PLC from TOF (
See Note 7 in System
Control Bits
)
11 0x0800 0000 1000 0000 0000 Error/Event Reported is an Alarm
12-15 ------ ------ Reserved for Future Use
Bit
Number
Hex
Equivalent
Binary Number Description Notes
0 0x0001 0000 0000 0000 0001 Turn ON Heat Command for System A Command 1
1 0x0002 0000 0000 0000 0010 Turn ON Head Command for System B Command 1
2 0x0004 0000 0000 0000 0100 Turn ON/Prime Pumps for System A Command 2
3 0x0008 0000 0000 0000 1000 Turn ON/Prime Pumps for System B Command 2
4 0x0010 0000 0000 0001 0000 Setback Command System A 3
5 0x0020 0000 0000 0010 0000 Setback Command System B 3
6 0x0040 0000 0000 0100 0000 Cross Over Command 4
7 0x0080 0000 0000 1000 0000 Pause Material Tracking/Counters Command 5
8 0x0100 0000 0001 0000 0000 Continue Material Tracking Command 5
9 0x0200 0000 0010 0000 0000 Command Setpoint Indications on Map for System B 6
10 0x0400 0000 0100 0000 0000 Command Setback Setpoint Indications for System B 6
11 0x0800 0000 1000 0000 0000 Heart Beat Output to TOF 7
12 0x1000 0001 0000 0000 0000 PLC Control Command 8
13-15 ------ ------ Reserved for Future Use