HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 138)

SERVICE MANUAL TNC 415B/425
Page 133
Issue: 20.08.95
19. PLC Inputs and Output
19.1 PLC Inputs
19.1.1 PLC Inputs on LE
Connector X42: I0 to I31 and acknowledgement "control ready for operation"
Connector X46: I128 to I152
"0" signal Ue = - 20V to 3.2V
Ie
= 1.0mA with Ue = 3.2V
"1" signal Ue = 13V to 30.2V
Ie
= 3.8mA to 8.9mA
19.1.2 PLC Inputs on PL 400
Terminal strips X4 to X9: I64 (I192) to I126 (I254)
"0" signal Ue = - 20V to 4V
Ie
= 1.6mA with Ue = 4V
"1" signal Ue = 16.5V to 30V
Ie
= 6.2mA to 12.6mA
19.1.3 PLC Inputs on PL 405/410
PL 405, terminal strips X3 to X4: I64 (I192) to I95 (I223)
PL 410, terminal strips X3 to X6: I64 (I192) to I127 (I255)
"0" signal Ue = - 20V to 4V
Ie
= 1.6mA with Ue = 4V
"1" signal Ue = 16.5V to 30V
Ie
= 6.2mA to 12.6mA
19.2 PLC Outputs
19.2.1 PLC Outputs on LE
Connector X41: O0 to O30 and output "control ready for operation"
Connector X46: O0 to O7
1)
1) outputs available at X46 or X41
"1" signal Ua min
=
UB - 3V
Ia NOML = 0.1A
19.2.2 PLC Outputs on PL 400
Terminal strips X1 to X3: O32 (O64) to O62 (O94) and output "control ready for operation"
"1" signal Ua min = UB - 3V
Ia NOML = 1.2A
19.2.3 PLC Outputs on PL 405/410
PL 405, terminal strip X8: O48 (O80) to O62 (O94) and output "control ready for operation"
PL 410, terminal strips X7 to X8: O32 (O64) to O47 (O79) and output "control ready for operation"
"1" signal Ua min = UB - 3V
Ia NOML = 1.2A
Pin layout: see section 6