Watlow CLS200, MLS300 and CAS200 User Manual download pdf (Page 82)

76 Communications Speciﬁcation

Chapter 3: Controller Parameter Descriptions

• Range: –999 to 9999 (depending on the precision in the master loop).

• Default: 0.

Loop Status (96)

This parameter speciﬁes a character status indicating if the loop is in

manual or automatic mode. Autotuning and ramp-soak status are also

included. The characters are identical to that shown on the controller’s

bar display. This is an expansion of commands 4 and 46.

• Range: ‘A’ to ‘Z’ (uppercase letters), status are currently deﬁned as:

65 = A = Automatic

77 = M = Manual

84 = T = Tuning

83 = S = Ramp/Soak Ready state (Start)

82 = R = Ramp/Soak Running

72 = H = Ramp/Soak Holding

87 = W = Ramp/Soak trigger Wait state

79 = O = Ramp/Soak Out of Tolerance

• Default: 77 (Manual).

Output Type/Disable (97)

This parameter speciﬁes the output type (if not disabled) for the heat and

cool outputs. Setting this to 255 indicates the output is disabled. Any

other value indicates an enabled output. This is an expansion of

command 4.

• Range: 0 to 255, output types are currently deﬁned as:

0 = Time Proportioning

1 = DZC

2 = Reserved

3 = On/Off

4 = SDAC

5 = 3P DZC

255 = Disabled

• Default:0 for heat outputs, 255 for cool outputs.

Output Reverse/Direct (98)

This parameter speciﬁes the heat and cool output control action as either

Reverse or Direct. This is an expansion of command 4.

• Range: 0 or 1.

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 91 92

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Watlow CLS200, MLS300 and CAS200 User Manual Page 82